{"id":55628,"date":"2024-10-21T12:45:05","date_gmt":"2024-10-21T15:45:05","guid":{"rendered":"https:\/\/mindthegraph.com\/blog\/?p=55628"},"modified":"2024-10-21T12:45:07","modified_gmt":"2024-10-21T15:45:07","slug":"pearson-correlation","status":"publish","type":"post","link":"https:\/\/mindthegraph.com\/blog\/el\/pearson-correlation\/","title":{"rendered":"<strong>\u03a3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7 Pearson: \u03a3\u03c5\u03c3\u03c7\u03b5\u03c4\u03af\u03c3\u03b5\u03b9\u03c2: \u039a\u03b1\u03c4\u03b1\u03bd\u03cc\u03b7\u03c3\u03b7 \u03c4\u03c9\u03bd \u03bc\u03b1\u03b8\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ce\u03bd \u03c0\u03af\u03c3\u03c9 \u03b1\u03c0\u03cc \u03c4\u03b9\u03c2 \u03c3\u03c7\u03ad\u03c3\u03b5\u03b9\u03c2<\/strong>"},"content":{"rendered":"<p>\u0397 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7 Pearson \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b9\u03b1 \u03b8\u03b5\u03bc\u03b5\u03bb\u03b9\u03ce\u03b4\u03b7\u03c2 \u03c3\u03c4\u03b1\u03c4\u03b9\u03c3\u03c4\u03b9\u03ba\u03ae \u03bc\u03ad\u03b8\u03bf\u03b4\u03bf\u03c2 \u03c0\u03bf\u03c5 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03ba\u03b1\u03c4\u03b1\u03bd\u03cc\u03b7\u03c3\u03b7 \u03c4\u03c9\u03bd \u03b3\u03c1\u03b1\u03bc\u03bc\u03b9\u03ba\u03ce\u03bd \u03c3\u03c7\u03ad\u03c3\u03b5\u03c9\u03bd \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03b4\u03cd\u03bf \u03c3\u03c5\u03bd\u03b5\u03c7\u03ce\u03bd \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ce\u03bd. \u03a0\u03bf\u03c3\u03bf\u03c4\u03b9\u03ba\u03bf\u03c0\u03bf\u03b9\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03ba\u03b1\u03c4\u03b5\u03cd\u03b8\u03c5\u03bd\u03c3\u03b7 \u03b1\u03c5\u03c4\u03ce\u03bd \u03c4\u03c9\u03bd \u03c3\u03c7\u03ad\u03c3\u03b5\u03c9\u03bd, \u03bf \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae\u03c2 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7\u03c2 Pearson \u03c0\u03c1\u03bf\u03c3\u03c6\u03ad\u03c1\u03b5\u03b9 \u03ba\u03c1\u03af\u03c3\u03b9\u03bc\u03b5\u03c2 \u03b3\u03bd\u03ce\u03c3\u03b5\u03b9\u03c2 \u03c0\u03bf\u03c5 \u03b5\u03c6\u03b1\u03c1\u03bc\u03cc\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b5\u03c5\u03c1\u03ad\u03c9\u03c2 \u03c3\u03b5 \u03b4\u03b9\u03ac\u03c6\u03bf\u03c1\u03bf\u03c5\u03c2 \u03c4\u03bf\u03bc\u03b5\u03af\u03c2, \u03cc\u03c0\u03c9\u03c2 \u03b7 \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1, \u03b7 \u03b5\u03c0\u03b9\u03c3\u03c4\u03ae\u03bc\u03b7 \u03c4\u03c9\u03bd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03ba\u03b1\u03b9 \u03b7 \u03ba\u03b1\u03b8\u03b7\u03bc\u03b5\u03c1\u03b9\u03bd\u03ae \u03bb\u03ae\u03c8\u03b7 \u03b1\u03c0\u03bf\u03c6\u03ac\u03c3\u03b5\u03c9\u03bd. \u0391\u03c5\u03c4\u03cc \u03c4\u03bf \u03ac\u03c1\u03b8\u03c1\u03bf \u03b8\u03b1 \u03b5\u03be\u03b7\u03b3\u03ae\u03c3\u03b5\u03b9 \u03c4\u03b9\u03c2 \u03b2\u03b1\u03c3\u03b9\u03ba\u03ad\u03c2 \u03b1\u03c1\u03c7\u03ad\u03c2 \u03c4\u03b7\u03c2 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7\u03c2 Pearson, \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03b1\u03bd\u03bf\u03bc\u03ad\u03bd\u03bf\u03c5 \u03c4\u03bf\u03c5 \u03bf\u03c1\u03b9\u03c3\u03bc\u03bf\u03cd, \u03c4\u03c9\u03bd \u03bc\u03b5\u03b8\u03cc\u03b4\u03c9\u03bd \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03bf\u03cd \u03ba\u03b1\u03b9 \u03c4\u03c9\u03bd \u03c0\u03c1\u03b1\u03ba\u03c4\u03b9\u03ba\u03ce\u03bd \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ce\u03bd \u03c4\u03b7\u03c2. \u0398\u03b1 \u03b4\u03b9\u03b5\u03c1\u03b5\u03c5\u03bd\u03ae\u03c3\u03bf\u03c5\u03bc\u03b5 \u03c4\u03bf\u03bd \u03c4\u03c1\u03cc\u03c0\u03bf \u03bc\u03b5 \u03c4\u03bf\u03bd \u03bf\u03c0\u03bf\u03af\u03bf \u03b1\u03c5\u03c4\u03cc \u03c4\u03bf \u03c3\u03c4\u03b1\u03c4\u03b9\u03c3\u03c4\u03b9\u03ba\u03cc \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03bf \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c6\u03c9\u03c4\u03af\u03c3\u03b5\u03b9 \u03bc\u03bf\u03c4\u03af\u03b2\u03b1 \u03bc\u03ad\u03c3\u03b1 \u03c3\u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1, \u03c4\u03b7 \u03c3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1 \u03c4\u03b7\u03c2 \u03ba\u03b1\u03c4\u03b1\u03bd\u03cc\u03b7\u03c3\u03b7\u03c2 \u03c4\u03c9\u03bd \u03c0\u03b5\u03c1\u03b9\u03bf\u03c1\u03b9\u03c3\u03bc\u03ce\u03bd \u03c4\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03b2\u03ad\u03bb\u03c4\u03b9\u03c3\u03c4\u03b5\u03c2 \u03c0\u03c1\u03b1\u03ba\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b1\u03ba\u03c1\u03b9\u03b2\u03ae \u03b5\u03c1\u03bc\u03b7\u03bd\u03b5\u03af\u03b1.<\/p>\n\n\n\n<h2><strong>\u03a4\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7 Pearson;<\/strong><\/h2>\n\n\n\n<p>\u039f \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae\u03c2 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7\u03c2 Pearson, \u03ae r \u03c4\u03bf\u03c5 Pearson, \u03c0\u03bf\u03c3\u03bf\u03c4\u03b9\u03ba\u03bf\u03c0\u03bf\u03b9\u03b5\u03af \u03c4\u03b7\u03bd \u03b9\u03c3\u03c7\u03cd \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03ba\u03b1\u03c4\u03b5\u03cd\u03b8\u03c5\u03bd\u03c3\u03b7 \u03bc\u03b9\u03b1\u03c2 \u03b3\u03c1\u03b1\u03bc\u03bc\u03b9\u03ba\u03ae\u03c2 \u03c3\u03c7\u03ad\u03c3\u03b7\u03c2 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03b4\u03cd\u03bf \u03c3\u03c5\u03bd\u03b5\u03c7\u03ce\u03bd \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ce\u03bd. \u039a\u03c5\u03bc\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc <strong>-1 \u03ad\u03c9\u03c2 1<\/strong>, \u03bf \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae\u03c2 \u03b1\u03c5\u03c4\u03cc\u03c2 \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03c0\u03cc\u03c3\u03bf \u03c3\u03c4\u03b5\u03bd\u03ac \u03b5\u03c5\u03b8\u03c5\u03b3\u03c1\u03b1\u03bc\u03bc\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c4\u03b1 \u03c3\u03b7\u03bc\u03b5\u03af\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03c3\u03b5 \u03ad\u03bd\u03b1 \u03b4\u03b9\u03ac\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1 \u03b4\u03b9\u03b1\u03c3\u03c0\u03bf\u03c1\u03ac\u03c2 \u03bc\u03b5 \u03bc\u03b9\u03b1 \u03b5\u03c5\u03b8\u03b5\u03af\u03b1 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ae.<\/p>\n\n\n\n<ul>\n<li>\u0397 \u03c4\u03b9\u03bc\u03ae 1 \u03c5\u03c0\u03bf\u03b4\u03b7\u03bb\u03ce\u03bd\u03b5\u03b9 \u03c4\u03ad\u03bb\u03b5\u03b9\u03b1 \u03b8\u03b5\u03c4\u03b9\u03ba\u03ae \u03b3\u03c1\u03b1\u03bc\u03bc\u03b9\u03ba\u03ae \u03c3\u03c7\u03ad\u03c3\u03b7, \u03c0\u03bf\u03c5 \u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03ba\u03b1\u03b8\u03ce\u03c2 \u03b1\u03c5\u03be\u03ac\u03bd\u03b5\u03c4\u03b1\u03b9 \u03b7 \u03bc\u03af\u03b1 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ae, \u03b1\u03c5\u03be\u03ac\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ac \u03ba\u03b1\u03b9 \u03b7 \u03ac\u03bb\u03bb\u03b7.<\/li>\n\n\n\n<li>\u039c\u03b9\u03b1 \u03c4\u03b9\u03bc\u03ae <strong>-1<\/strong> \u03c5\u03c0\u03bf\u03b4\u03b5\u03b9\u03ba\u03bd\u03cd\u03b5\u03b9 \u03ad\u03bd\u03b1 <strong>\u03c4\u03ad\u03bb\u03b5\u03b9\u03b1 \u03b1\u03c1\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u03b3\u03c1\u03b1\u03bc\u03bc\u03b9\u03ba\u03ae \u03c3\u03c7\u03ad\u03c3\u03b7<\/strong>, \u03cc\u03c0\u03bf\u03c5 \u03b7 \u03bc\u03af\u03b1 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ae \u03b1\u03c5\u03be\u03ac\u03bd\u03b5\u03c4\u03b1\u03b9 \u03ba\u03b1\u03b8\u03ce\u03c2 \u03b7 \u03ac\u03bb\u03bb\u03b7 \u03bc\u03b5\u03b9\u03ce\u03bd\u03b5\u03c4\u03b1\u03b9.<\/li>\n\n\n\n<li>\u039c\u03b9\u03b1 \u03c4\u03b9\u03bc\u03ae <strong>0<\/strong> \u03c0\u03c1\u03bf\u03c4\u03b5\u03af\u03bd\u03b5\u03b9 \u03c4\u03bf <strong>\u03ba\u03b1\u03bc\u03af\u03b1 \u03b3\u03c1\u03b1\u03bc\u03bc\u03b9\u03ba\u03ae \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7<\/strong>, \u03c0\u03bf\u03c5 \u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03bf\u03b9 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ad\u03c2 \u03b4\u03b5\u03bd \u03ad\u03c7\u03bf\u03c5\u03bd \u03b3\u03c1\u03b1\u03bc\u03bc\u03b9\u03ba\u03ae \u03c3\u03c7\u03ad\u03c3\u03b7.<\/li>\n<\/ul>\n\n\n\n<p>\u0397 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7 Pearson \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af\u03c4\u03b1\u03b9 \u03b5\u03c5\u03c1\u03ad\u03c9\u03c2 \u03c3\u03c4\u03b9\u03c2 \u03b8\u03b5\u03c4\u03b9\u03ba\u03ad\u03c2, \u03bf\u03b9\u03ba\u03bf\u03bd\u03bf\u03bc\u03b9\u03ba\u03ad\u03c2 \u03ba\u03b1\u03b9 \u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03b9\u03ba\u03ad\u03c2 \u03b5\u03c0\u03b9\u03c3\u03c4\u03ae\u03bc\u03b5\u03c2 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03c0\u03c1\u03bf\u03c3\u03b4\u03b9\u03bf\u03c1\u03b9\u03c3\u03c4\u03b5\u03af \u03b1\u03bd \u03b4\u03cd\u03bf \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ad\u03c2 \u03ba\u03b9\u03bd\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03bc\u03b1\u03b6\u03af \u03ba\u03b1\u03b9 \u03c3\u03b5 \u03c0\u03bf\u03b9\u03bf \u03b2\u03b1\u03b8\u03bc\u03cc. \u0392\u03bf\u03b7\u03b8\u03ac \u03c3\u03c4\u03b7\u03bd \u03b5\u03ba\u03c4\u03af\u03bc\u03b7\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c0\u03cc\u03c3\u03bf \u03b9\u03c3\u03c7\u03c5\u03c1\u03ac \u03c3\u03c5\u03bd\u03b4\u03ad\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bf\u03b9 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ad\u03c2, \u03ba\u03b1\u03b8\u03b9\u03c3\u03c4\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b7\u03bd \u03ad\u03bd\u03b1 \u03ba\u03c1\u03af\u03c3\u03b9\u03bc\u03bf \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03bf \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b1\u03bd\u03ac\u03bb\u03c5\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03b5\u03c1\u03bc\u03b7\u03bd\u03b5\u03af\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd.<\/p>\n\n\n\n<h3><strong>\u03a0\u03ce\u03c2 \u03bd\u03b1 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03c3\u03b5\u03c4\u03b5 \u03c4\u03bf\u03bd \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7\u03c2 Pearson<\/strong><\/h3>\n\n\n\n<p>\u039f \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae\u03c2 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7\u03c2 Pearson (r) \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c4\u03bf\u03bd \u03b1\u03ba\u03cc\u03bb\u03bf\u03c5\u03b8\u03bf \u03c4\u03cd\u03c0\u03bf:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"461\" src=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2024\/10\/pearson-correlation-coefficient-formula.jpg\" alt=\"\u0395\u03b9\u03ba\u03cc\u03bd\u03b1 \u03c4\u03bf\u03c5 \u03c4\u03cd\u03c0\u03bf\u03c5 \u03c4\u03bf\u03c5 \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7\u03c2 Pearson, \u03c0\u03bf\u03c5 \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03c4\u03b7\u03bd \u03b5\u03be\u03af\u03c3\u03c9\u03c3\u03b7 \u03c0\u03bf\u03c5 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03bc\u03ad\u03c4\u03c1\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b3\u03c1\u03b1\u03bc\u03bc\u03b9\u03ba\u03ae\u03c2 \u03c3\u03c7\u03ad\u03c3\u03b7\u03c2 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03b4\u03cd\u03bf \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ce\u03bd.\" class=\"wp-image-55629\" srcset=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2024\/10\/pearson-correlation-coefficient-formula.jpg 1024w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2024\/10\/pearson-correlation-coefficient-formula-300x135.jpg 300w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2024\/10\/pearson-correlation-coefficient-formula-768x346.jpg 768w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2024\/10\/pearson-correlation-coefficient-formula-18x8.jpg 18w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2024\/10\/pearson-correlation-coefficient-formula-100x45.jpg 100w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">\u03a4\u03cd\u03c0\u03bf\u03c2 \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7\u03c2 Pearson \u03bc\u03b5 \u03b5\u03be\u03ae\u03b3\u03b7\u03c3\u03b7 \u03c4\u03c9\u03bd \u03b2\u03b1\u03c3\u03b9\u03ba\u03ce\u03bd \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ce\u03bd.<\/figcaption><\/figure><\/div>\n\n\n<p>\u03a0\u03bf\u03cd:<\/p>\n\n\n\n<ul>\n<li><em>x<\/em> \u03ba\u03b1\u03b9 <em>y<\/em> \u03b5\u03af\u03bd\u03b1\u03b9 \u03bf\u03b9 \u03b4\u03cd\u03bf \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ad\u03c2 \u03c0\u03bf\u03c5 \u03c3\u03c5\u03b3\u03ba\u03c1\u03af\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9.<\/li>\n\n\n\n<li><em>n<\/em> \u03b5\u03af\u03bd\u03b1\u03b9 \u03bf \u03b1\u03c1\u03b9\u03b8\u03bc\u03cc\u03c2 \u03c4\u03c9\u03bd \u03c3\u03b7\u03bc\u03b5\u03af\u03c9\u03bd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd.<\/li>\n\n\n\n<li>\u2211<em>xy<\/em> \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf \u03ac\u03b8\u03c1\u03bf\u03b9\u03c3\u03bc\u03b1 \u03c4\u03bf\u03c5 \u03b3\u03b9\u03bd\u03bf\u03bc\u03ad\u03bd\u03bf\u03c5 \u03c4\u03c9\u03bd \u03b6\u03b5\u03c5\u03b3\u03b1\u03c1\u03c9\u03bc\u03ad\u03bd\u03c9\u03bd \u03b2\u03b1\u03b8\u03bc\u03bf\u03bb\u03bf\u03b3\u03b9\u03ce\u03bd (<em>x<\/em> \u03ba\u03b1\u03b9 <em>y<\/em>).<\/li>\n\n\n\n<li>\u2211<em>x<\/em><sup>2<\/sup> \u03ba\u03b1\u03b9 \u2211<em>y<\/em><sup>2<\/sup> \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03b1 \u03b1\u03b8\u03c1\u03bf\u03af\u03c3\u03bc\u03b1\u03c4\u03b1 \u03c4\u03c9\u03bd \u03c4\u03b5\u03c4\u03c1\u03b1\u03b3\u03ce\u03bd\u03c9\u03bd \u03b3\u03b9\u03b1 \u03ba\u03ac\u03b8\u03b5 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ae.<\/li>\n<\/ul>\n\n\n\n<p><strong>\u03a5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03cc\u03c2 \u03b2\u03ae\u03bc\u03b1 \u03c0\u03c1\u03bf\u03c2 \u03b2\u03ae\u03bc\u03b1:<\/strong><\/p>\n\n\n\n<ol>\n<li><strong>\u03a3\u03c5\u03bb\u03bb\u03bf\u03b3\u03ae \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd:<\/strong> \u03a3\u03c5\u03b3\u03ba\u03b5\u03bd\u03c4\u03c1\u03ce\u03c3\u03c4\u03b5 \u03b6\u03b5\u03c5\u03b3\u03b1\u03c1\u03c9\u03bc\u03ad\u03bd\u03b5\u03c2 \u03c4\u03b9\u03bc\u03ad\u03c2 \u03b3\u03b9\u03b1 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ad\u03c2 <em>x<\/em> \u03ba\u03b1\u03b9 <em>y<\/em>.<br>\u03a0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1:<\/li>\n<\/ol>\n\n\n\n<p><em>x<\/em>=[1,2,3]<\/p>\n\n\n\n<p><em>y<\/em>=[4,5,6]<\/p>\n\n\n\n<ol start=\"2\">\n<li><strong>\u03a5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03c3\u03c4\u03b5 \u03c4\u03bf \u03ac\u03b8\u03c1\u03bf\u03b9\u03c3\u03bc\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03b1 x \u03ba\u03b1\u03b9 y:<\/strong><\/li>\n<\/ol>\n\n\n\n<p>\u2211<em>x<\/em> \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf \u03ac\u03b8\u03c1\u03bf\u03b9\u03c3\u03bc\u03b1 \u03c4\u03c9\u03bd \u03c4\u03b9\u03bc\u03ce\u03bd \u03c3\u03c4\u03bf <em>x<\/em>.<\/p>\n\n\n\n<p>\u2211<em>y<\/em> \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf \u03ac\u03b8\u03c1\u03bf\u03b9\u03c3\u03bc\u03b1 \u03c4\u03c9\u03bd \u03c4\u03b9\u03bc\u03ce\u03bd \u03c3\u03c4\u03bf <em>y<\/em>.<\/p>\n\n\n\n<p>\u0393\u03b9\u03b1 \u03c4\u03bf \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1:<br>\u2211<em>x<\/em>=1+2+3=6<br>\u2211<em>y<\/em>=4+5+6=15<\/p>\n\n\n\n<ol start=\"3\">\n<li><strong>\u03a0\u03bf\u03bb\u03bb\u03b1\u03c0\u03bb\u03b1\u03c3\u03b9\u03ac\u03c3\u03c4\u03b5 <\/strong><strong><em>x<\/em><\/strong><strong> \u03ba\u03b1\u03b9 <\/strong><strong><em>y<\/em><\/strong><strong> \u03b3\u03b9\u03b1 \u03ba\u03ac\u03b8\u03b5 \u03b6\u03b5\u03cd\u03b3\u03bf\u03c2:<\/strong><\/li>\n<\/ol>\n\n\n\n<p>\u03a0\u03bf\u03bb\u03bb\u03b1\u03c0\u03bb\u03b1\u03c3\u03b9\u03ac\u03c3\u03c4\u03b5 \u03ba\u03ac\u03b8\u03b5 \u03b6\u03b5\u03cd\u03b3\u03bf\u03c2 \u03c4\u03b9\u03bc\u03ce\u03bd x \u03ba\u03b1\u03b9 y \u03ba\u03b1\u03b9 \u03b2\u03c1\u03b5\u03af\u03c4\u03b5 \u2211<em>xy<\/em>.<\/p>\n\n\n\n<p><em>xy<\/em>=[1\u00d74,2\u00d75,3\u00d76]=[4,10,18]<br>\u2211<em>xy<\/em>=4+10+18=32<\/p>\n\n\n\n<ol start=\"4\">\n<li><strong>\u03a4\u03b5\u03c4\u03c1\u03ac\u03b3\u03c9\u03bd\u03bf \u039a\u03ac\u03b8\u03b5 \u03c4\u03b9\u03bc\u03ae x \u03ba\u03b1\u03b9 y:<\/strong><\/li>\n<\/ol>\n\n\n\n<p>\u0392\u03c1\u03b5\u03af\u03c4\u03b5 \u03c4\u03bf \u03c4\u03b5\u03c4\u03c1\u03ac\u03b3\u03c9\u03bd\u03bf \u03ba\u03ac\u03b8\u03b5 \u03c4\u03b9\u03bc\u03ae\u03c2 x \u03ba\u03b1\u03b9 y \u03ba\u03b1\u03b9 \u03b1\u03b8\u03c1\u03bf\u03af\u03c3\u03c4\u03b5 \u03c4\u03b1 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b2\u03c1\u03b5\u03af\u03c4\u03b5 \u2211<em>x<\/em><sup>2<\/sup> \u03ba\u03b1\u03b9 \u2211<em>y<\/em><sup>2<\/sup>.<\/p>\n\n\n\n<p><em>x<\/em><sup>2<\/sup>=[1<sup>2<\/sup>,2<sup>2<\/sup>,3<sup>2<\/sup>]=[1,4,9]<br>\u2211<em>x<\/em><sup>2<\/sup>=1+4+9=14<br><em>y<\/em><sup>2<\/sup>=[4<sup>2<\/sup>,5<sup>2<\/sup>,6<sup>2<\/sup>]=[16,25,36]<br>\u2211<em>y<\/em><sup>2<\/sup>=16+25+36=77<\/p>\n\n\n\n<ol start=\"5\">\n<li><strong>\u0395\u03b9\u03c3\u03ac\u03b3\u03b5\u03c4\u03b5 \u03c4\u03b9\u03c2 \u03c4\u03b9\u03bc\u03ad\u03c2 \u03c3\u03c4\u03bf\u03bd \u03c4\u03cd\u03c0\u03bf Pearson:<\/strong> \u03a4\u03ce\u03c1\u03b1, \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03ae\u03c3\u03c4\u03b5 \u03c4\u03b9\u03c2 \u03c4\u03b9\u03bc\u03ad\u03c2 \u03c3\u03c4\u03bf\u03bd \u03c4\u03cd\u03c0\u03bf \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7\u03c2 Pearson:<\/li>\n<\/ol>\n\n\n\n<p><br>r = (n\u2211<em>xy<\/em> - \u2211<em>x<\/em>\u2211<em>y<\/em>) \/ \u221a[(n\u2211<em>x<\/em>\u00b2 - (\u2211<em>x<\/em>)\u00b2) * (n\u2211<em>y<\/em>\u00b2 - (\u2211<em>y<\/em>)\u00b2)]<\/p>\n\n\n\n<p>r = (3 \u00d7 32 - 6 \u00d7 15) \/ \u221a[(3 \u00d7 14 - (6)\u00b2) \u00d7 (3 \u00d7 77 - (15)\u00b2)]<\/p>\n\n\n\n<p>r = (96 - 90) \/ \u221a[(42 - 36) \u00d7 (231 - 225)]<\/p>\n\n\n\n<p>r = 6 \/ \u221a[6 \u00d7 6]<\/p>\n\n\n\n<p>r = 6 \/ 6 = 1<\/p>\n\n\n\n<p>\u03a3\u03b5 \u03b1\u03c5\u03c4\u03cc \u03c4\u03bf \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1, \u03bf \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae\u03c2 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7\u03c2 Pearson \u03b5\u03af\u03bd\u03b1\u03b9 <strong>1<\/strong>, \u03c5\u03c0\u03bf\u03b4\u03b5\u03b9\u03ba\u03bd\u03cd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03bc\u03b9\u03b1 \u03c4\u03ad\u03bb\u03b5\u03b9\u03b1 \u03b8\u03b5\u03c4\u03b9\u03ba\u03ae \u03b3\u03c1\u03b1\u03bc\u03bc\u03b9\u03ba\u03ae \u03c3\u03c7\u03ad\u03c3\u03b7 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03c9\u03bd \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ce\u03bd <em>x<\/em> \u03ba\u03b1\u03b9 <em>y<\/em>.<\/p>\n\n\n\n<p>\u0391\u03c5\u03c4\u03ae \u03b7 \u03c0\u03c1\u03bf\u03c3\u03ad\u03b3\u03b3\u03b9\u03c3\u03b7 \u03b2\u03ae\u03bc\u03b1 \u03c0\u03c1\u03bf\u03c2 \u03b2\u03ae\u03bc\u03b1 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03c3\u03c4\u03b5\u03af \u03c3\u03b5 \u03bf\u03c0\u03bf\u03b9\u03bf\u03b4\u03ae\u03c0\u03bf\u03c4\u03b5 \u03c3\u03cd\u03bd\u03bf\u03bb\u03bf \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03b3\u03b9\u03b1 \u03c4\u03bf\u03bd \u03c7\u03b5\u03b9\u03c1\u03bf\u03ba\u03af\u03bd\u03b7\u03c4\u03bf \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03cc \u03c4\u03b7\u03c2 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7\u03c2 Pearson. \u03a9\u03c3\u03c4\u03cc\u03c3\u03bf, \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03b1 \u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03b9\u03ba\u03bf\u03cd \u03cc\u03c0\u03c9\u03c2 \u03c4\u03bf Excel,<a href=\"https:\/\/mindthegraph.com\/blog\/python-in-research\/\"> Python<\/a>, \u03ae \u03c3\u03c4\u03b1\u03c4\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac \u03c0\u03b1\u03ba\u03ad\u03c4\u03b1 \u03c3\u03c5\u03c7\u03bd\u03ac \u03b1\u03c5\u03c4\u03bf\u03bc\u03b1\u03c4\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd \u03b1\u03c5\u03c4\u03ae \u03c4\u03b7 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1 \u03b3\u03b9\u03b1 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b1 \u03c3\u03cd\u03bd\u03bf\u03bb\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd.<\/p>\n\n\n\n<h2><strong>\u0393\u03b9\u03b1\u03c4\u03af \u03b7 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7 Pearson \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03ae \u03c3\u03c4\u03b7 \u03c3\u03c4\u03b1\u03c4\u03b9\u03c3\u03c4\u03b9\u03ba\u03ae \u03b1\u03bd\u03ac\u03bb\u03c5\u03c3\u03b7<\/strong><\/h2>\n\n\n\n<h3><strong>\u03a3\u03c4\u03b7\u03bd \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1<\/strong><\/h3>\n\n\n\n<p>\u03a4\u03bf <strong>\u03a3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7 Pearson<\/strong> \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03b2\u03b1\u03c3\u03b9\u03ba\u03cc \u03c3\u03c4\u03b1\u03c4\u03b9\u03c3\u03c4\u03b9\u03ba\u03cc \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03bf \u03c3\u03c4\u03b7\u03bd \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03bf\u03bd \u03b5\u03bd\u03c4\u03bf\u03c0\u03b9\u03c3\u03bc\u03cc \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03c0\u03bf\u03c3\u03bf\u03c4\u03b9\u03ba\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b9\u03c3\u03c7\u03cd\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 \u03ba\u03b1\u03c4\u03b5\u03cd\u03b8\u03c5\u03bd\u03c3\u03b7\u03c2 \u03c4\u03c9\u03bd \u03b3\u03c1\u03b1\u03bc\u03bc\u03b9\u03ba\u03ce\u03bd \u03c3\u03c7\u03ad\u03c3\u03b5\u03c9\u03bd \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03b4\u03cd\u03bf \u03c3\u03c5\u03bd\u03b5\u03c7\u03ce\u03bd \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ce\u03bd. \u0392\u03bf\u03b7\u03b8\u03ac \u03c4\u03bf\u03c5\u03c2 \u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03c4\u03ad\u03c2 \u03bd\u03b1 \u03ba\u03b1\u03c4\u03b1\u03bd\u03bf\u03ae\u03c3\u03bf\u03c5\u03bd \u03b5\u03ac\u03bd \u03ba\u03b1\u03b9 \u03c0\u03cc\u03c3\u03bf \u03b9\u03c3\u03c7\u03c5\u03c1\u03ac \u03b4\u03cd\u03bf \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ad\u03c2 \u03c3\u03c7\u03b5\u03c4\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9, \u03b3\u03b5\u03b3\u03bf\u03bd\u03cc\u03c2 \u03c0\u03bf\u03c5 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c0\u03c1\u03bf\u03c3\u03c6\u03ad\u03c1\u03b5\u03b9 \u03c0\u03bb\u03b7\u03c1\u03bf\u03c6\u03bf\u03c1\u03af\u03b5\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b1 \u03c0\u03c1\u03cc\u03c4\u03c5\u03c0\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03b5\u03bd\u03c4\u03cc\u03c2 \u03c4\u03c9\u03bd \u03c3\u03c5\u03bd\u03cc\u03bb\u03c9\u03bd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd.<\/p>\n\n\n\n<p>\u0397 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7 Pearson \u03b2\u03bf\u03b7\u03b8\u03ac \u03c4\u03bf\u03c5\u03c2 \u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03c4\u03ad\u03c2 \u03bd\u03b1 \u03c0\u03c1\u03bf\u03c3\u03b4\u03b9\u03bf\u03c1\u03af\u03c3\u03bf\u03c5\u03bd \u03b1\u03bd \u03bf\u03b9 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ad\u03c2 \u03ba\u03b9\u03bd\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03bc\u03b1\u03b6\u03af \u03bc\u03b5 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03cc \u03c4\u03c1\u03cc\u03c0\u03bf, \u03b5\u03af\u03c4\u03b5 \u03b8\u03b5\u03c4\u03b9\u03ba\u03ac \u03b5\u03af\u03c4\u03b5 \u03b1\u03c1\u03bd\u03b7\u03c4\u03b9\u03ba\u03ac. \u0393\u03b9\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1, \u03c3\u03b5 \u03ad\u03bd\u03b1 \u03c3\u03cd\u03bd\u03bf\u03bb\u03bf \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03c0\u03bf\u03c5 \u03bc\u03b5\u03c4\u03c1\u03ac \u03c4\u03bf\u03bd \u03c7\u03c1\u03cc\u03bd\u03bf \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03b2\u03b1\u03b8\u03bc\u03bf\u03bb\u03bf\u03b3\u03af\u03b5\u03c2 \u03c4\u03c9\u03bd \u03b5\u03be\u03b5\u03c4\u03ac\u03c3\u03b5\u03c9\u03bd, \u03bc\u03b9\u03b1 \u03b9\u03c3\u03c7\u03c5\u03c1\u03ae \u03b8\u03b5\u03c4\u03b9\u03ba\u03ae \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7 Pearson \u03b8\u03b1 \u03c5\u03c0\u03bf\u03b4\u03ae\u03bb\u03c9\u03bd\u03b5 \u03cc\u03c4\u03b9 \u03bf \u03b1\u03c5\u03be\u03b7\u03bc\u03ad\u03bd\u03bf\u03c2 \u03c7\u03c1\u03cc\u03bd\u03bf\u03c2 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7\u03c2 \u03c3\u03c5\u03bd\u03b4\u03ad\u03b5\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c5\u03c8\u03b7\u03bb\u03cc\u03c4\u03b5\u03c1\u03b5\u03c2 \u03b2\u03b1\u03b8\u03bc\u03bf\u03bb\u03bf\u03b3\u03af\u03b5\u03c2 \u03c3\u03c4\u03b9\u03c2 \u03b5\u03be\u03b5\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2. \u0391\u03bd\u03c4\u03af\u03b8\u03b5\u03c4\u03b1, \u03bc\u03b9\u03b1 \u03b1\u03c1\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7 \u03b8\u03b1 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03c3\u03b5 \u03bd\u03b1 \u03c5\u03c0\u03bf\u03b4\u03b7\u03bb\u03ce\u03bd\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03ba\u03b1\u03b8\u03ce\u03c2 \u03b1\u03c5\u03be\u03ac\u03bd\u03b5\u03c4\u03b1\u03b9 \u03b7 \u03bc\u03af\u03b1 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ae, \u03b7 \u03ac\u03bb\u03bb\u03b7 \u03bc\u03b5\u03b9\u03ce\u03bd\u03b5\u03c4\u03b1\u03b9.<\/p>\n\n\n\n<p><strong>\u03a0\u03b1\u03c1\u03b1\u03b4\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03b1 \u03c7\u03c1\u03ae\u03c3\u03b7\u03c2 \u03c3\u03b5 \u03b4\u03b9\u03ac\u03c6\u03bf\u03c1\u03bf\u03c5\u03c2 \u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03c4\u03b9\u03ba\u03bf\u03cd\u03c2 \u03c4\u03bf\u03bc\u03b5\u03af\u03c2:<\/strong><\/p>\n\n\n\n<p><strong>\u03a8\u03c5\u03c7\u03bf\u03bb\u03bf\u03b3\u03af\u03b1:<\/strong> \u0397 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7 Pearson \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af\u03c4\u03b1\u03b9 \u03c3\u03c5\u03c7\u03bd\u03ac \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03b4\u03b9\u03b5\u03c1\u03b5\u03cd\u03bd\u03b7\u03c3\u03b7 \u03c4\u03c9\u03bd \u03c3\u03c7\u03ad\u03c3\u03b5\u03c9\u03bd \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ce\u03bd \u03cc\u03c0\u03c9\u03c2 \u03c4\u03b1 \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03b1 \u03ac\u03b3\u03c7\u03bf\u03c5\u03c2 \u03ba\u03b1\u03b9 \u03b7 \u03b3\u03bd\u03c9\u03c3\u03c4\u03b9\u03ba\u03ae \u03b1\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7. \u039f\u03b9 \u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03c4\u03ad\u03c2 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03b1\u03be\u03b9\u03bf\u03bb\u03bf\u03b3\u03ae\u03c3\u03bf\u03c5\u03bd \u03c0\u03ce\u03c2 \u03b7 \u03b1\u03cd\u03be\u03b7\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c3\u03c4\u03c1\u03b5\u03c2 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b5\u03c0\u03b7\u03c1\u03b5\u03ac\u03c3\u03b5\u03b9 \u03c4\u03b7 \u03bc\u03bd\u03ae\u03bc\u03b7 \u03ae \u03c4\u03b9\u03c2 \u03b9\u03ba\u03b1\u03bd\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 \u03b5\u03c0\u03af\u03bb\u03c5\u03c3\u03b7\u03c2 \u03c0\u03c1\u03bf\u03b2\u03bb\u03b7\u03bc\u03ac\u03c4\u03c9\u03bd.<\/p>\n\n\n\n<p><strong>\u039f\u03b9\u03ba\u03bf\u03bd\u03bf\u03bc\u03b9\u03ba\u03ac:<\/strong> \u039f\u03b9 \u03bf\u03b9\u03ba\u03bf\u03bd\u03bf\u03bc\u03bf\u03bb\u03cc\u03b3\u03bf\u03b9 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd \u03c4\u03b7 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7 Pearson \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03bc\u03b5\u03bb\u03b5\u03c4\u03ae\u03c3\u03bf\u03c5\u03bd \u03c4\u03b7 \u03c3\u03c7\u03ad\u03c3\u03b7 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ce\u03bd \u03cc\u03c0\u03c9\u03c2 \u03c4\u03bf \u03b5\u03b9\u03c3\u03cc\u03b4\u03b7\u03bc\u03b1 \u03ba\u03b1\u03b9 \u03b7 \u03ba\u03b1\u03c4\u03b1\u03bd\u03ac\u03bb\u03c9\u03c3\u03b7 \u03ae \u03bf \u03c0\u03bb\u03b7\u03b8\u03c9\u03c1\u03b9\u03c3\u03bc\u03cc\u03c2 \u03ba\u03b1\u03b9 \u03b7 \u03b1\u03bd\u03b5\u03c1\u03b3\u03af\u03b1, \u03b2\u03bf\u03b7\u03b8\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c4\u03bf\u03c5\u03c2 \u03bd\u03b1 \u03ba\u03b1\u03c4\u03b1\u03bd\u03bf\u03ae\u03c3\u03bf\u03c5\u03bd \u03c0\u03ce\u03c2 \u03bf\u03b9 \u03bf\u03b9\u03ba\u03bf\u03bd\u03bf\u03bc\u03b9\u03ba\u03bf\u03af \u03c0\u03b1\u03c1\u03ac\u03b3\u03bf\u03bd\u03c4\u03b5\u03c2 \u03b5\u03c0\u03b7\u03c1\u03b5\u03ac\u03b6\u03bf\u03c5\u03bd \u03bf \u03ad\u03bd\u03b1\u03c2 \u03c4\u03bf\u03bd \u03ac\u03bb\u03bb\u03bf\u03bd.<\/p>\n\n\n\n<p><strong>\u0399\u03b1\u03c4\u03c1\u03b9\u03ba\u03ae:<\/strong> \u03a3\u03c4\u03b7\u03bd \u03b9\u03b1\u03c4\u03c1\u03b9\u03ba\u03ae \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1, \u03b7 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7 Pearson \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c0\u03c1\u03bf\u03c3\u03b4\u03b9\u03bf\u03c1\u03af\u03c3\u03b5\u03b9 \u03c4\u03b9\u03c2 \u03c3\u03c7\u03ad\u03c3\u03b5\u03b9\u03c2 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ce\u03bd \u03bc\u03b5\u03c4\u03c1\u03ae\u03c3\u03b5\u03c9\u03bd \u03c5\u03b3\u03b5\u03af\u03b1\u03c2. \u0393\u03b9\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1, \u03bf\u03b9 \u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03c4\u03ad\u03c2 \u03b8\u03b1 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03c3\u03b1\u03bd \u03bd\u03b1 \u03b4\u03b9\u03b5\u03c1\u03b5\u03c5\u03bd\u03ae\u03c3\u03bf\u03c5\u03bd \u03c4\u03b7 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03c9\u03bd \u03b5\u03c0\u03b9\u03c0\u03ad\u03b4\u03c9\u03bd \u03b1\u03c1\u03c4\u03b7\u03c1\u03b9\u03b1\u03ba\u03ae\u03c2 \u03c0\u03af\u03b5\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5 \u03ba\u03b9\u03bd\u03b4\u03cd\u03bd\u03bf\u03c5 \u03ba\u03b1\u03c1\u03b4\u03b9\u03b1\u03ba\u03ae\u03c2 \u03bd\u03cc\u03c3\u03bf\u03c5, \u03b2\u03bf\u03b7\u03b8\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c3\u03c4\u03b7\u03bd \u03ad\u03b3\u03ba\u03b1\u03b9\u03c1\u03b7 \u03b1\u03bd\u03af\u03c7\u03bd\u03b5\u03c5\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03c3\u03c4\u03b9\u03c2 \u03c3\u03c4\u03c1\u03b1\u03c4\u03b7\u03b3\u03b9\u03ba\u03ad\u03c2 \u03c0\u03c1\u03bf\u03bb\u03b7\u03c0\u03c4\u03b9\u03ba\u03ae\u03c2 \u03c6\u03c1\u03bf\u03bd\u03c4\u03af\u03b4\u03b1\u03c2.<\/p>\n\n\n\n<p><strong>\u03a0\u03b5\u03c1\u03b9\u03b2\u03b1\u03bb\u03bb\u03bf\u03bd\u03c4\u03b9\u03ba\u03ae \u03b5\u03c0\u03b9\u03c3\u03c4\u03ae\u03bc\u03b7:<\/strong> \u0397 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7 Pearson \u03b5\u03af\u03bd\u03b1\u03b9 \u03c7\u03c1\u03ae\u03c3\u03b9\u03bc\u03b7 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03b4\u03b9\u03b5\u03c1\u03b5\u03cd\u03bd\u03b7\u03c3\u03b7 \u03c4\u03c9\u03bd \u03c3\u03c7\u03ad\u03c3\u03b5\u03c9\u03bd \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c0\u03b5\u03c1\u03b9\u03b2\u03b1\u03bb\u03bb\u03bf\u03bd\u03c4\u03b9\u03ba\u03ce\u03bd \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ce\u03bd, \u03cc\u03c0\u03c9\u03c2 \u03b7 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 \u03ba\u03b1\u03b9 \u03b7 \u03b1\u03c0\u03cc\u03b4\u03bf\u03c3\u03b7 \u03c4\u03c9\u03bd \u03ba\u03b1\u03bb\u03bb\u03b9\u03b5\u03c1\u03b3\u03b5\u03b9\u03ce\u03bd, \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c3\u03c4\u03bf\u03c5\u03c2 \u03b5\u03c0\u03b9\u03c3\u03c4\u03ae\u03bc\u03bf\u03bd\u03b5\u03c2 \u03bd\u03b1 \u03bc\u03bf\u03bd\u03c4\u03b5\u03bb\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03bf\u03c5\u03bd \u03c4\u03b9\u03c2 \u03b5\u03c0\u03b9\u03c0\u03c4\u03ce\u03c3\u03b5\u03b9\u03c2 \u03c4\u03b7\u03c2 \u03ba\u03bb\u03b9\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae\u03c2 \u03b1\u03bb\u03bb\u03b1\u03b3\u03ae\u03c2 \u03c3\u03c4\u03b7 \u03b3\u03b5\u03c9\u03c1\u03b3\u03af\u03b1.<\/p>\n\n\n\n<p>\u03a3\u03c5\u03bd\u03bf\u03bb\u03b9\u03ba\u03ac, \u03b7 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7 Pearson \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03af \u03b2\u03b1\u03c3\u03b9\u03ba\u03cc \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03bf \u03c3\u03b5 \u03b4\u03b9\u03ac\u03c6\u03bf\u03c1\u03b1 \u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03c4\u03b9\u03ba\u03ac \u03c0\u03b5\u03b4\u03af\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b1\u03c0\u03bf\u03ba\u03ac\u03bb\u03c5\u03c8\u03b7 \u03bf\u03c5\u03c3\u03b9\u03b1\u03c3\u03c4\u03b9\u03ba\u03ce\u03bd \u03c3\u03c7\u03ad\u03c3\u03b5\u03c9\u03bd \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03ba\u03b1\u03b8\u03bf\u03b4\u03ae\u03b3\u03b7\u03c3\u03b7 \u03bc\u03b5\u03bb\u03bb\u03bf\u03bd\u03c4\u03b9\u03ba\u03ce\u03bd \u03bc\u03b5\u03bb\u03b5\u03c4\u03ce\u03bd, \u03c0\u03b1\u03c1\u03b5\u03bc\u03b2\u03ac\u03c3\u03b5\u03c9\u03bd \u03ae \u03c0\u03bf\u03bb\u03b9\u03c4\u03b9\u03ba\u03ce\u03bd \u03b1\u03c0\u03bf\u03c6\u03ac\u03c3\u03b5\u03c9\u03bd.<\/p>\n\n\n\n<h3><strong>\u03a3\u03c4\u03b7\u03bd \u03ba\u03b1\u03b8\u03b7\u03bc\u03b5\u03c1\u03b9\u03bd\u03ae \u03b6\u03c9\u03ae<\/strong><\/h3>\n\n\n\n<p>\u039a\u03b1\u03c4\u03b1\u03bd\u03cc\u03b7\u03c3\u03b7 \u03c4\u03bf\u03c5 <strong>\u03a3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7 Pearson<\/strong> \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c0\u03af\u03c3\u03c4\u03b5\u03c5\u03c4\u03b1 \u03c7\u03c1\u03ae\u03c3\u03b9\u03bc\u03b7 \u03c3\u03c4\u03b7\u03bd \u03ba\u03b1\u03b8\u03b7\u03bc\u03b5\u03c1\u03b9\u03bd\u03ae \u03bb\u03ae\u03c8\u03b7 \u03b1\u03c0\u03bf\u03c6\u03ac\u03c3\u03b5\u03c9\u03bd, \u03ba\u03b1\u03b8\u03ce\u03c2 \u03b2\u03bf\u03b7\u03b8\u03ac \u03c3\u03c4\u03bf\u03bd \u03b5\u03bd\u03c4\u03bf\u03c0\u03b9\u03c3\u03bc\u03cc \u03bc\u03bf\u03c4\u03af\u03b2\u03c9\u03bd \u03ba\u03b1\u03b9 \u03c3\u03c7\u03ad\u03c3\u03b5\u03c9\u03bd \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ce\u03bd \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ce\u03bd \u03c0\u03bf\u03c5 \u03b5\u03c0\u03b7\u03c1\u03b5\u03ac\u03b6\u03bf\u03c5\u03bd \u03c4\u03b9\u03c2 \u03c1\u03bf\u03c5\u03c4\u03af\u03bd\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ad\u03c2 \u03bc\u03b1\u03c2.<\/p>\n\n\n\n<p><strong>\u03a0\u03c1\u03b1\u03ba\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ad\u03c2 \u03ba\u03b1\u03b9 \u03c0\u03b1\u03c1\u03b1\u03b4\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03b1:<\/strong><\/p>\n\n\n\n<p><strong>\u0393\u03c5\u03bc\u03bd\u03b1\u03c3\u03c4\u03b9\u03ba\u03ae \u03ba\u03b1\u03b9 \u03a5\u03b3\u03b5\u03af\u03b1:<\/strong> \u0397 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7 Pearson \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03c3\u03c4\u03b5\u03af \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b5\u03ba\u03c4\u03b9\u03bc\u03b7\u03b8\u03b5\u03af \u03bf \u03c4\u03c1\u03cc\u03c0\u03bf\u03c2 \u03bc\u03b5 \u03c4\u03bf\u03bd \u03bf\u03c0\u03bf\u03af\u03bf \u03c3\u03c5\u03bd\u03b4\u03ad\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b4\u03b9\u03ac\u03c6\u03bf\u03c1\u03bf\u03b9 \u03c0\u03b1\u03c1\u03ac\u03b3\u03bf\u03bd\u03c4\u03b5\u03c2, \u03cc\u03c0\u03c9\u03c2 \u03b7 \u03c3\u03c5\u03c7\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c0\u03c1\u03bf\u03c0\u03cc\u03bd\u03b7\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03b7 \u03b1\u03c0\u03ce\u03bb\u03b5\u03b9\u03b1 \u03b2\u03ac\u03c1\u03bf\u03c5\u03c2. \u0393\u03b9\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1, \u03b7 \u03c0\u03b1\u03c1\u03b1\u03ba\u03bf\u03bb\u03bf\u03cd\u03b8\u03b7\u03c3\u03b7 \u03c4\u03c9\u03bd \u03c3\u03c5\u03bd\u03b7\u03b8\u03b5\u03b9\u03ce\u03bd \u03ac\u03c3\u03ba\u03b7\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5 \u03c3\u03c9\u03bc\u03b1\u03c4\u03b9\u03ba\u03bf\u03cd \u03b2\u03ac\u03c1\u03bf\u03c5\u03c2 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03c0\u03ac\u03c1\u03bf\u03b4\u03bf \u03c4\u03bf\u03c5 \u03c7\u03c1\u03cc\u03bd\u03bf\u03c5 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b1\u03c0\u03bf\u03ba\u03b1\u03bb\u03cd\u03c8\u03b5\u03b9 \u03bc\u03b9\u03b1 \u03b8\u03b5\u03c4\u03b9\u03ba\u03ae \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03b7\u03c2 \u03c4\u03b1\u03ba\u03c4\u03b9\u03ba\u03ae\u03c2 \u03c3\u03c9\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae\u03c2 \u03b4\u03c1\u03b1\u03c3\u03c4\u03b7\u03c1\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 \u03bc\u03b5\u03af\u03c9\u03c3\u03b7\u03c2 \u03c4\u03bf\u03c5 \u03b2\u03ac\u03c1\u03bf\u03c5\u03c2.<\/p>\n\n\n\n<p><strong>\u03a0\u03c1\u03bf\u03c3\u03c9\u03c0\u03b9\u03ba\u03ac \u03bf\u03b9\u03ba\u03bf\u03bd\u03bf\u03bc\u03b9\u03ba\u03ac:<\/strong> \u03a3\u03c4\u03bf\u03bd \u03c0\u03c1\u03bf\u03cb\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03cc, \u03b7 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7 Pearson \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b2\u03bf\u03b7\u03b8\u03ae\u03c3\u03b5\u03b9 \u03c3\u03c4\u03b7\u03bd \u03b1\u03bd\u03ac\u03bb\u03c5\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03c3\u03c7\u03ad\u03c3\u03b7\u03c2 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03c9\u03bd \u03c3\u03c5\u03bd\u03b7\u03b8\u03b5\u03b9\u03ce\u03bd \u03b4\u03b1\u03c0\u03b1\u03bd\u03ce\u03bd \u03ba\u03b1\u03b9 \u03c4\u03c9\u03bd \u03b1\u03c0\u03bf\u03c4\u03b1\u03bc\u03b9\u03b5\u03cd\u03c3\u03b5\u03c9\u03bd. \u0391\u03bd \u03ba\u03ac\u03c0\u03bf\u03b9\u03bf\u03c2 \u03c0\u03b1\u03c1\u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03b5\u03af \u03c4\u03b1 \u03bc\u03b7\u03bd\u03b9\u03b1\u03af\u03b1 \u03ad\u03be\u03bf\u03b4\u03ac \u03c4\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03c4\u03b1 \u03c0\u03bf\u03c3\u03bf\u03c3\u03c4\u03ac \u03b1\u03c0\u03bf\u03c4\u03b1\u03bc\u03af\u03b5\u03c5\u03c3\u03b7\u03c2, \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b4\u03b9\u03b1\u03c0\u03b9\u03c3\u03c4\u03ce\u03c3\u03b5\u03b9 \u03b1\u03c1\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7, \u03c5\u03c0\u03bf\u03b4\u03b5\u03b9\u03ba\u03bd\u03cd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03cc\u03c4\u03b9 \u03cc\u03c3\u03bf \u03b1\u03c5\u03be\u03ac\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bf\u03b9 \u03b4\u03b1\u03c0\u03ac\u03bd\u03b5\u03c2, \u03c4\u03cc\u03c3\u03bf \u03bc\u03b5\u03b9\u03ce\u03bd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bf\u03b9 \u03b1\u03c0\u03bf\u03c4\u03b1\u03bc\u03b9\u03b5\u03cd\u03c3\u03b5\u03b9\u03c2.<\/p>\n\n\n\n<p><strong>\u039a\u03b1\u03b9\u03c1\u03cc\u03c2 \u03ba\u03b1\u03b9 \u03b4\u03b9\u03ac\u03b8\u03b5\u03c3\u03b7:<\/strong> \u039c\u03b9\u03b1 \u03ac\u03bb\u03bb\u03b7 \u03ba\u03b1\u03b8\u03b7\u03bc\u03b5\u03c1\u03b9\u03bd\u03ae \u03c7\u03c1\u03ae\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7\u03c2 \u03b8\u03b1 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03c3\u03b5 \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03ba\u03b1\u03c4\u03b1\u03bd\u03cc\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b5\u03c0\u03af\u03b4\u03c1\u03b1\u03c3\u03b7\u03c2 \u03c4\u03bf\u03c5 \u03ba\u03b1\u03b9\u03c1\u03bf\u03cd \u03c3\u03c4\u03b7 \u03b4\u03b9\u03ac\u03b8\u03b5\u03c3\u03b7. \u0393\u03b9\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1, \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c5\u03c0\u03ac\u03c1\u03c7\u03b5\u03b9 \u03b8\u03b5\u03c4\u03b9\u03ba\u03ae \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03c9\u03bd \u03b7\u03bb\u03b9\u03cc\u03bb\u03bf\u03c5\u03c3\u03c4\u03c9\u03bd \u03b7\u03bc\u03b5\u03c1\u03ce\u03bd \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 \u03b2\u03b5\u03bb\u03c4\u03b9\u03c9\u03bc\u03ad\u03bd\u03b7\u03c2 \u03b4\u03b9\u03ac\u03b8\u03b5\u03c3\u03b7\u03c2, \u03b5\u03bd\u03ce \u03bf\u03b9 \u03b2\u03c1\u03bf\u03c7\u03b5\u03c1\u03ad\u03c2 \u03b7\u03bc\u03ad\u03c1\u03b5\u03c2 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c3\u03c5\u03c3\u03c7\u03b5\u03c4\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c7\u03b1\u03bc\u03b7\u03bb\u03cc\u03c4\u03b5\u03c1\u03b1 \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03b1 \u03b5\u03bd\u03ad\u03c1\u03b3\u03b5\u03b9\u03b1\u03c2 \u03ae \u03b8\u03bb\u03af\u03c8\u03b7\u03c2.<\/p>\n\n\n\n<p><strong>\u0394\u03b9\u03b1\u03c7\u03b5\u03af\u03c1\u03b9\u03c3\u03b7 \u03c7\u03c1\u03cc\u03bd\u03bf\u03c5:<\/strong> \u03a3\u03c5\u03b3\u03ba\u03c1\u03af\u03bd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b9\u03c2 \u03ce\u03c1\u03b5\u03c2 \u03c0\u03bf\u03c5 \u03be\u03bf\u03b4\u03b5\u03cd\u03bf\u03bd\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03b5\u03c2 \u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b5\u03c2 (\u03c0.\u03c7. \u03c7\u03c1\u03cc\u03bd\u03bf\u03c2 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7\u03c2) \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03c0\u03b1\u03c1\u03b1\u03b3\u03c9\u03b3\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1 \u03ae \u03c4\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1 \u03c4\u03c9\u03bd \u03b5\u03c0\u03b9\u03b4\u03cc\u03c3\u03b5\u03c9\u03bd (\u03c0.\u03c7. \u03b2\u03b1\u03b8\u03bc\u03bf\u03af \u03ae \u03b1\u03c0\u03bf\u03b4\u03bf\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1 \u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1\u03c2), \u03b7 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7 Pearson \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b2\u03bf\u03b7\u03b8\u03ae\u03c3\u03b5\u03b9 \u03c4\u03b1 \u03ac\u03c4\u03bf\u03bc\u03b1 \u03bd\u03b1 \u03ba\u03b1\u03c4\u03b1\u03bd\u03bf\u03ae\u03c3\u03bf\u03c5\u03bd \u03c0\u03ce\u03c2 \u03b7 \u03ba\u03b1\u03c4\u03b1\u03bd\u03bf\u03bc\u03ae \u03c4\u03bf\u03c5 \u03c7\u03c1\u03cc\u03bd\u03bf\u03c5 \u03b5\u03c0\u03b7\u03c1\u03b5\u03ac\u03b6\u03b5\u03b9 \u03c4\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1.<\/p>\n\n\n\n<p><strong>\u039f\u03c6\u03ad\u03bb\u03b7 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03ba\u03b1\u03c4\u03b1\u03bd\u03cc\u03b7\u03c3\u03b7 \u03c4\u03c9\u03bd \u03c3\u03c5\u03c3\u03c7\u03b5\u03c4\u03af\u03c3\u03b5\u03c9\u03bd \u03c3\u03b5 \u03ba\u03bf\u03b9\u03bd\u03ac \u03c3\u03b5\u03bd\u03ac\u03c1\u03b9\u03b1:<\/strong><\/p>\n\n\n\n<p><strong>\u0392\u03b5\u03bb\u03c4\u03b9\u03c9\u03bc\u03ad\u03bd\u03b7 \u03bb\u03ae\u03c8\u03b7 \u03b1\u03c0\u03bf\u03c6\u03ac\u03c3\u03b5\u03c9\u03bd:<\/strong> \u0397 \u03b3\u03bd\u03ce\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c4\u03c1\u03cc\u03c0\u03bf\u03c5 \u03bc\u03b5 \u03c4\u03bf\u03bd \u03bf\u03c0\u03bf\u03af\u03bf \u03c3\u03c5\u03bd\u03b4\u03ad\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bf\u03b9 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ad\u03c2 \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03c3\u03c4\u03b1 \u03ac\u03c4\u03bf\u03bc\u03b1 \u03bd\u03b1 \u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03bf\u03c5\u03bd \u03c4\u03b5\u03ba\u03bc\u03b7\u03c1\u03b9\u03c9\u03bc\u03ad\u03bd\u03b5\u03c2 \u03b1\u03c0\u03bf\u03c6\u03ac\u03c3\u03b5\u03b9\u03c2. \u0393\u03b9\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1, \u03b7 \u03ba\u03b1\u03c4\u03b1\u03bd\u03cc\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7\u03c2 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03b4\u03b9\u03b1\u03c4\u03c1\u03bf\u03c6\u03ae\u03c2 \u03ba\u03b1\u03b9 \u03c5\u03b3\u03b5\u03af\u03b1\u03c2 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03bf\u03b4\u03b7\u03b3\u03ae\u03c3\u03b5\u03b9 \u03c3\u03b5 \u03ba\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b5\u03c2 \u03b4\u03b9\u03b1\u03c4\u03c1\u03bf\u03c6\u03b9\u03ba\u03ad\u03c2 \u03c3\u03c5\u03bd\u03ae\u03b8\u03b5\u03b9\u03b5\u03c2 \u03c0\u03bf\u03c5 \u03c0\u03c1\u03bf\u03ac\u03b3\u03bf\u03c5\u03bd \u03c4\u03b7\u03bd \u03b5\u03c5\u03b7\u03bc\u03b5\u03c1\u03af\u03b1.<\/p>\n\n\n\n<p><strong>\u0392\u03b5\u03bb\u03c4\u03b9\u03c3\u03c4\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03c4\u03c9\u03bd \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03ac\u03c4\u03c9\u03bd:<\/strong> \u039f\u03b9 \u03ac\u03bd\u03b8\u03c1\u03c9\u03c0\u03bf\u03b9 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03bf\u03c5\u03bd \u03c3\u03c5\u03c3\u03c7\u03b5\u03c4\u03af\u03c3\u03b5\u03b9\u03c2 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b2\u03b5\u03bb\u03c4\u03b9\u03c3\u03c4\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03bf\u03c5\u03bd \u03c4\u03b9\u03c2 \u03c1\u03bf\u03c5\u03c4\u03af\u03bd\u03b5\u03c2 \u03c4\u03bf\u03c5\u03c2, \u03cc\u03c0\u03c9\u03c2 \u03b3\u03b9\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1 \u03bd\u03b1 \u03b1\u03bd\u03b1\u03ba\u03b1\u03bb\u03cd\u03c8\u03bf\u03c5\u03bd \u03c0\u03ce\u03c2 \u03b7 \u03b4\u03b9\u03ac\u03c1\u03ba\u03b5\u03b9\u03b1 \u03c4\u03bf\u03c5 \u03cd\u03c0\u03bd\u03bf\u03c5 \u03c3\u03c5\u03c3\u03c7\u03b5\u03c4\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03c0\u03b1\u03c1\u03b1\u03b3\u03c9\u03b3\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03c0\u03c1\u03bf\u03c3\u03b1\u03c1\u03bc\u03cc\u03c3\u03bf\u03c5\u03bd \u03b1\u03bd\u03ac\u03bb\u03bf\u03b3\u03b1 \u03c4\u03b1 \u03c0\u03c1\u03bf\u03b3\u03c1\u03ac\u03bc\u03bc\u03b1\u03c4\u03b1 \u03cd\u03c0\u03bd\u03bf\u03c5 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03bc\u03b5\u03b3\u03b9\u03c3\u03c4\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03bf\u03c5\u03bd \u03c4\u03b7\u03bd \u03b1\u03c0\u03bf\u03b4\u03bf\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1.<\/p>\n\n\n\n<p><strong>\u0395\u03bd\u03c4\u03bf\u03c0\u03b9\u03c3\u03bc\u03cc\u03c2 \u03bc\u03bf\u03c4\u03af\u03b2\u03c9\u03bd:<\/strong> \u0397 \u03b1\u03bd\u03b1\u03b3\u03bd\u03ce\u03c1\u03b9\u03c3\u03b7 \u03bc\u03bf\u03c4\u03af\u03b2\u03c9\u03bd \u03c3\u03c4\u03b9\u03c2 \u03ba\u03b1\u03b8\u03b7\u03bc\u03b5\u03c1\u03b9\u03bd\u03ad\u03c2 \u03b4\u03c1\u03b1\u03c3\u03c4\u03b7\u03c1\u03b9\u03cc\u03c4\u03b7\u03c4\u03b5\u03c2 (\u03cc\u03c0\u03c9\u03c2 \u03b7 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03bf\u03c5 \u03c7\u03c1\u03cc\u03bd\u03bf\u03c5 \u03c0\u03b1\u03c1\u03b1\u03bc\u03bf\u03bd\u03ae\u03c2 \u03c3\u03c4\u03b7\u03bd \u03bf\u03b8\u03cc\u03bd\u03b7 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 \u03ba\u03b1\u03c4\u03b1\u03c0\u03cc\u03bd\u03b7\u03c3\u03b7\u03c2 \u03c4\u03c9\u03bd \u03bc\u03b1\u03c4\u03b9\u03ce\u03bd) \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b2\u03bf\u03b7\u03b8\u03ae\u03c3\u03b5\u03b9 \u03c4\u03b1 \u03ac\u03c4\u03bf\u03bc\u03b1 \u03bd\u03b1 \u03c4\u03c1\u03bf\u03c0\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03bf\u03c5\u03bd \u03c4\u03b9\u03c2 \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03c6\u03bf\u03c1\u03ad\u03c2 \u03c4\u03bf\u03c5\u03c2 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03bc\u03b5\u03b9\u03ce\u03c3\u03bf\u03c5\u03bd \u03c4\u03b9\u03c2 \u03b1\u03c1\u03bd\u03b7\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b5\u03c0\u03b9\u03c0\u03c4\u03ce\u03c3\u03b5\u03b9\u03c2 \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03b2\u03b5\u03bb\u03c4\u03b9\u03ce\u03c3\u03bf\u03c5\u03bd \u03c4\u03b7 \u03c3\u03c5\u03bd\u03bf\u03bb\u03b9\u03ba\u03ae \u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1 \u03b6\u03c9\u03ae\u03c2.<\/p>\n\n\n\n<p>\u0397 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae \u03c4\u03b7\u03c2 \u03ad\u03bd\u03bd\u03bf\u03b9\u03b1\u03c2 \u03c4\u03b7\u03c2 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7\u03c2 Pearson \u03c3\u03c4\u03b7\u03bd \u03ba\u03b1\u03b8\u03b7\u03bc\u03b5\u03c1\u03b9\u03bd\u03ae \u03b6\u03c9\u03ae \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03c3\u03c4\u03bf\u03c5\u03c2 \u03b1\u03bd\u03b8\u03c1\u03ce\u03c0\u03bf\u03c5\u03c2 \u03bd\u03b1 \u03b1\u03c0\u03bf\u03ba\u03c4\u03ae\u03c3\u03bf\u03c5\u03bd \u03c0\u03bf\u03bb\u03cd\u03c4\u03b9\u03bc\u03b5\u03c2 \u03b3\u03bd\u03ce\u03c3\u03b5\u03b9\u03c2 \u03c3\u03c7\u03b5\u03c4\u03b9\u03ba\u03ac \u03bc\u03b5 \u03c4\u03bf \u03c0\u03ce\u03c2 \u03b1\u03bb\u03bb\u03b7\u03bb\u03b5\u03c0\u03b9\u03b4\u03c1\u03bf\u03cd\u03bd \u03bf\u03b9 \u03b4\u03b9\u03ac\u03c6\u03bf\u03c1\u03b5\u03c2 \u03c0\u03c4\u03c5\u03c7\u03ad\u03c2 \u03c4\u03b7\u03c2 \u03c1\u03bf\u03c5\u03c4\u03af\u03bd\u03b1\u03c2 \u03c4\u03bf\u03c5\u03c2, \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03bf\u03bd\u03c4\u03ac\u03c2 \u03c4\u03bf\u03c5\u03c2 \u03bd\u03b1 \u03ba\u03ac\u03bd\u03bf\u03c5\u03bd \u03c0\u03c1\u03bf\u03bb\u03b7\u03c0\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ad\u03c2 \u03c0\u03bf\u03c5 \u03b5\u03bd\u03b9\u03c3\u03c7\u03cd\u03bf\u03c5\u03bd \u03c4\u03b7\u03bd \u03c5\u03b3\u03b5\u03af\u03b1, \u03c4\u03b1 \u03bf\u03b9\u03ba\u03bf\u03bd\u03bf\u03bc\u03b9\u03ba\u03ac \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03b5\u03c5\u03b7\u03bc\u03b5\u03c1\u03af\u03b1.<\/p>\n\n\n\n<h2><strong>\u0395\u03c1\u03bc\u03b7\u03bd\u03b5\u03af\u03b1 \u03c4\u03b7\u03c2 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7\u03c2 Pearson<\/strong><\/h2>\n\n\n\n<h3><strong>\u0391\u03be\u03af\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03c3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1<\/strong><\/h3>\n\n\n\n<p>\u03a4\u03bf <strong>\u03a3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae\u03c2 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7\u03c2 Pearson<\/strong> (r) \u03ba\u03c5\u03bc\u03b1\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc <strong>-1 \u03ad\u03c9\u03c2 1<\/strong>, \u03ba\u03b1\u03b9 \u03ba\u03ac\u03b8\u03b5 \u03c4\u03b9\u03bc\u03ae \u03c0\u03b1\u03c1\u03ad\u03c7\u03b5\u03b9 \u03c0\u03bb\u03b7\u03c1\u03bf\u03c6\u03bf\u03c1\u03af\u03b5\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03c6\u03cd\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03c4\u03b7 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7 \u03c4\u03b7\u03c2 \u03c3\u03c7\u03ad\u03c3\u03b7\u03c2 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03b4\u03cd\u03bf \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ce\u03bd. \u0397 \u03ba\u03b1\u03c4\u03b1\u03bd\u03cc\u03b7\u03c3\u03b7 \u03b1\u03c5\u03c4\u03ce\u03bd \u03c4\u03c9\u03bd \u03c4\u03b9\u03bc\u03ce\u03bd \u03b2\u03bf\u03b7\u03b8\u03ac \u03c3\u03c4\u03b7\u03bd \u03b5\u03c1\u03bc\u03b7\u03bd\u03b5\u03af\u03b1 \u03c4\u03b7\u03c2 \u03ba\u03b1\u03c4\u03b5\u03cd\u03b8\u03c5\u03bd\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5 \u03b2\u03b1\u03b8\u03bc\u03bf\u03cd \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7\u03c2.<\/p>\n\n\n\n<p><strong>\u03a4\u03b9\u03bc\u03ad\u03c2 \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae:<\/strong><\/p>\n\n\n\n<p><strong>1<\/strong>: \u039c\u03b9\u03b1 \u03c4\u03b9\u03bc\u03ae <strong>+1<\/strong> \u03c5\u03c0\u03bf\u03b4\u03b5\u03b9\u03ba\u03bd\u03cd\u03b5\u03b9 \u03ad\u03bd\u03b1 <strong>\u03c4\u03ad\u03bb\u03b5\u03b9\u03b1 \u03b8\u03b5\u03c4\u03b9\u03ba\u03ae \u03b3\u03c1\u03b1\u03bc\u03bc\u03b9\u03ba\u03ae \u03c3\u03c7\u03ad\u03c3\u03b7<\/strong> \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03b4\u03cd\u03bf \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ce\u03bd, \u03c0\u03bf\u03c5 \u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03ba\u03b1\u03b8\u03ce\u03c2 \u03b1\u03c5\u03be\u03ac\u03bd\u03b5\u03c4\u03b1\u03b9 \u03b7 \u03bc\u03af\u03b1 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ae, \u03b7 \u03ac\u03bb\u03bb\u03b7 \u03b1\u03c5\u03be\u03ac\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03b1\u03c0\u03cc\u03bb\u03c5\u03c4\u03b7 \u03b1\u03bd\u03b1\u03bb\u03bf\u03b3\u03af\u03b1.<\/p>\n\n\n\n<p><strong>-1<\/strong>: \u039c\u03b9\u03b1 \u03c4\u03b9\u03bc\u03ae <strong>-1<\/strong> \u03c5\u03c0\u03bf\u03b4\u03b5\u03b9\u03ba\u03bd\u03cd\u03b5\u03b9 \u03ad\u03bd\u03b1 <strong>\u03c4\u03ad\u03bb\u03b5\u03b9\u03b1 \u03b1\u03c1\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u03b3\u03c1\u03b1\u03bc\u03bc\u03b9\u03ba\u03ae \u03c3\u03c7\u03ad\u03c3\u03b7<\/strong>, \u03cc\u03c0\u03bf\u03c5 \u03ba\u03b1\u03b8\u03ce\u03c2 \u03b1\u03c5\u03be\u03ac\u03bd\u03b5\u03c4\u03b1\u03b9 \u03b7 \u03bc\u03af\u03b1 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ae, \u03b7 \u03ac\u03bb\u03bb\u03b7 \u03bc\u03b5\u03b9\u03ce\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03b1\u03c0\u03cc\u03bb\u03c5\u03c4\u03b7 \u03b1\u03bd\u03b1\u03bb\u03bf\u03b3\u03af\u03b1.<\/p>\n\n\n\n<p><strong>0<\/strong>: \u039c\u03b9\u03b1 \u03c4\u03b9\u03bc\u03ae <strong>0<\/strong> \u03c0\u03c1\u03bf\u03c4\u03b5\u03af\u03bd\u03b5\u03b9 \u03c4\u03bf <strong>\u03b4\u03b5\u03bd \u03c5\u03c0\u03ac\u03c1\u03c7\u03b5\u03b9 \u03b3\u03c1\u03b1\u03bc\u03bc\u03b9\u03ba\u03ae \u03c3\u03c7\u03ad\u03c3\u03b7<\/strong> \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03c9\u03bd \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ce\u03bd, \u03c0\u03bf\u03c5 \u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03bf\u03b9 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bf\u03bb\u03ad\u03c2 \u03c3\u03c4\u03b7 \u03bc\u03af\u03b1 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ae \u03b4\u03b5\u03bd \u03c0\u03c1\u03bf\u03b2\u03bb\u03ad\u03c0\u03bf\u03c5\u03bd \u03bc\u03b5\u03c4\u03b1\u03b2\u03bf\u03bb\u03ad\u03c2 \u03c3\u03c4\u03b7\u03bd \u03ac\u03bb\u03bb\u03b7.<\/p>\n\n\n\n<p><strong>\u0398\u03b5\u03c4\u03b9\u03ba\u03ad\u03c2, \u03b1\u03c1\u03bd\u03b7\u03c4\u03b9\u03ba\u03ad\u03c2 \u03ba\u03b1\u03b9 \u03bc\u03b7\u03b4\u03b5\u03bd\u03b9\u03ba\u03ad\u03c2 \u03c3\u03c5\u03c3\u03c7\u03b5\u03c4\u03af\u03c3\u03b5\u03b9\u03c2:<\/strong><\/p>\n\n\n\n<p><strong>\u0398\u03b5\u03c4\u03b9\u03ba\u03ae \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7<\/strong>: \u038c\u03c4\u03b1\u03bd <strong>\u03c4\u03bf r \u03b5\u03af\u03bd\u03b1\u03b9 \u03b8\u03b5\u03c4\u03b9\u03ba\u03cc<\/strong> (\u03c0.\u03c7. 0,5), \u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03ba\u03b1\u03b9 \u03bf\u03b9 \u03b4\u03cd\u03bf \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ad\u03c2 \u03c4\u03b5\u03af\u03bd\u03bf\u03c5\u03bd \u03bd\u03b1 \u03ba\u03b9\u03bd\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03b7\u03bd \u03af\u03b4\u03b9\u03b1 \u03ba\u03b1\u03c4\u03b5\u03cd\u03b8\u03c5\u03bd\u03c3\u03b7. \u0393\u03b9\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1, \u03ba\u03b1\u03b8\u03ce\u03c2 \u03b7 \u03b8\u03b5\u03c1\u03bc\u03bf\u03ba\u03c1\u03b1\u03c3\u03af\u03b1 \u03b1\u03c5\u03be\u03ac\u03bd\u03b5\u03c4\u03b1\u03b9, \u03bf\u03b9 \u03c0\u03c9\u03bb\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c0\u03b1\u03b3\u03c9\u03c4\u03bf\u03cd \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b1\u03c5\u03be\u03b7\u03b8\u03bf\u03cd\u03bd, \u03c0\u03b1\u03c1\u03bf\u03c5\u03c3\u03b9\u03ac\u03b6\u03bf\u03bd\u03c4\u03b1\u03c2 \u03b8\u03b5\u03c4\u03b9\u03ba\u03ae \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7.<\/p>\n\n\n\n<p><strong>\u0391\u03c1\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7<\/strong>: \u038c\u03c4\u03b1\u03bd <strong>\u03c4\u03bf r \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c1\u03bd\u03b7\u03c4\u03b9\u03ba\u03cc<\/strong> (\u03c0.\u03c7. -0,7), \u03c5\u03c0\u03bf\u03b4\u03b7\u03bb\u03ce\u03bd\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03bf\u03b9 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ad\u03c2 \u03ba\u03b9\u03bd\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c0\u03c1\u03bf\u03c2 \u03b1\u03bd\u03c4\u03af\u03b8\u03b5\u03c4\u03b5\u03c2 \u03ba\u03b1\u03c4\u03b5\u03c5\u03b8\u03cd\u03bd\u03c3\u03b5\u03b9\u03c2. \u0388\u03bd\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1 \u03b8\u03b1 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03c3\u03b5 \u03bd\u03b1 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b7 \u03c3\u03c7\u03ad\u03c3\u03b7 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03b7\u03c2 \u03c3\u03c5\u03c7\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03ac\u03c3\u03ba\u03b7\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03bf\u03c5 \u03c0\u03bf\u03c3\u03bf\u03c3\u03c4\u03bf\u03cd \u03c3\u03c9\u03bc\u03b1\u03c4\u03b9\u03ba\u03bf\u03cd \u03bb\u03af\u03c0\u03bf\u03c5\u03c2: \u03ba\u03b1\u03b8\u03ce\u03c2 \u03b1\u03c5\u03be\u03ac\u03bd\u03b5\u03c4\u03b1\u03b9 \u03b7 \u03ac\u03c3\u03ba\u03b7\u03c3\u03b7, \u03c4\u03bf \u03c3\u03c9\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc \u03bb\u03af\u03c0\u03bf\u03c2 \u03c4\u03b5\u03af\u03bd\u03b5\u03b9 \u03bd\u03b1 \u03bc\u03b5\u03b9\u03ce\u03bd\u03b5\u03c4\u03b1\u03b9.<\/p>\n\n\n\n<p><strong>\u039c\u03b7\u03b4\u03b5\u03bd\u03b9\u03ba\u03ae \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7<\/strong>: \u0388\u03bd\u03b1 <strong>r \u03c4\u03bf\u03c5 0<\/strong> \u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03c5\u03c0\u03ac\u03c1\u03c7\u03b5\u03b9 <strong>\u03ba\u03b1\u03bc\u03af\u03b1 \u03b4\u03b9\u03b1\u03ba\u03c1\u03b9\u03c4\u03ae \u03b3\u03c1\u03b1\u03bc\u03bc\u03b9\u03ba\u03ae \u03c3\u03c7\u03ad\u03c3\u03b7<\/strong> \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03c9\u03bd \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ce\u03bd. \u0393\u03b9\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1, \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03bc\u03b7\u03bd \u03c5\u03c0\u03ac\u03c1\u03c7\u03b5\u03b9 \u03b3\u03c1\u03b1\u03bc\u03bc\u03b9\u03ba\u03ae \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03bf\u03c5 \u03bc\u03b5\u03b3\u03ad\u03b8\u03bf\u03c5\u03c2 \u03c4\u03c9\u03bd \u03c0\u03b1\u03c0\u03bf\u03c5\u03c4\u03c3\u03b9\u03ce\u03bd \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 \u03b5\u03c5\u03c6\u03c5\u0390\u03b1\u03c2.<\/p>\n\n\n\n<p>\u03a3\u03b5 \u03b3\u03b5\u03bd\u03b9\u03ba\u03ad\u03c2 \u03b3\u03c1\u03b1\u03bc\u03bc\u03ad\u03c2:<\/p>\n\n\n\n<p><strong>0,7 \u03ad\u03c9\u03c2 1 \u03ae -0,7 \u03ad\u03c9\u03c2 -1<\/strong> \u03c5\u03c0\u03bf\u03b4\u03b5\u03b9\u03ba\u03bd\u03cd\u03b5\u03b9 \u03ad\u03bd\u03b1 <strong>\u03b9\u03c3\u03c7\u03c5\u03c1\u03cc<\/strong> \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7.<\/p>\n\n\n\n<p><strong>0,3 \u03ad\u03c9\u03c2 0,7 \u03ae -0,3 \u03ad\u03c9\u03c2 -0,7<\/strong> \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03bf\u03c0\u03c4\u03c1\u03af\u03b6\u03b5\u03b9 \u03bc\u03b9\u03b1 <strong>\u03bc\u03ad\u03c4\u03c1\u03b9\u03b1<\/strong> \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7.<\/p>\n\n\n\n<p><strong>0 \u03ad\u03c9\u03c2 0,3 \u03ae -0,3 \u03ad\u03c9\u03c2 0<\/strong> \u03c3\u03b7\u03bc\u03b1\u03c4\u03bf\u03b4\u03bf\u03c4\u03b5\u03af \u03ad\u03bd\u03b1 <strong>\u03b1\u03b4\u03cd\u03bd\u03b1\u03bc\u03bf<\/strong> \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7.<\/p>\n\n\n\n<p>\u0397 \u03ba\u03b1\u03c4\u03b1\u03bd\u03cc\u03b7\u03c3\u03b7 \u03b1\u03c5\u03c4\u03ce\u03bd \u03c4\u03c9\u03bd \u03c4\u03b9\u03bc\u03ce\u03bd \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03c3\u03c4\u03bf\u03c5\u03c2 \u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03c4\u03ad\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b1 \u03ac\u03c4\u03bf\u03bc\u03b1 \u03bd\u03b1 \u03ba\u03b1\u03b8\u03bf\u03c1\u03af\u03c3\u03bf\u03c5\u03bd \u03c0\u03cc\u03c3\u03bf \u03c3\u03c4\u03b5\u03bd\u03ac \u03c3\u03c5\u03bd\u03b4\u03b5\u03b4\u03b5\u03bc\u03ad\u03bd\u03b5\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b4\u03cd\u03bf \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ad\u03c2 \u03ba\u03b1\u03b9 \u03b1\u03bd \u03b7 \u03c3\u03c7\u03ad\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c1\u03ba\u03b5\u03c4\u03ac \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03ae \u03ce\u03c3\u03c4\u03b5 \u03bd\u03b1 \u03b4\u03b9\u03ba\u03b1\u03b9\u03bf\u03bb\u03bf\u03b3\u03b5\u03af \u03c0\u03b5\u03c1\u03b1\u03b9\u03c4\u03ad\u03c1\u03c9 \u03c0\u03c1\u03bf\u03c3\u03bf\u03c7\u03ae \u03ae \u03b4\u03c1\u03ac\u03c3\u03b7.<\/p>\n\n\n\n<h3><strong>\u03a0\u03b5\u03c1\u03b9\u03bf\u03c1\u03b9\u03c3\u03bc\u03bf\u03af<\/strong><\/h3>\n\n\n\n<p>\u0395\u03bd\u03ce \u03b7 <strong>\u03a3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7 Pearson<\/strong> \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03b9\u03c3\u03c7\u03c5\u03c1\u03cc \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03bf \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b1\u03be\u03b9\u03bf\u03bb\u03cc\u03b3\u03b7\u03c3\u03b7 \u03b3\u03c1\u03b1\u03bc\u03bc\u03b9\u03ba\u03ce\u03bd \u03c3\u03c7\u03ad\u03c3\u03b5\u03c9\u03bd \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ce\u03bd, \u03ad\u03c7\u03b5\u03b9 \u03c0\u03b5\u03c1\u03b9\u03bf\u03c1\u03b9\u03c3\u03bc\u03bf\u03cd\u03c2 \u03ba\u03b1\u03b9 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03bc\u03b7\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03ba\u03b1\u03c4\u03ac\u03bb\u03bb\u03b7\u03bb\u03bf \u03c3\u03b5 \u03cc\u03bb\u03b1 \u03c4\u03b1 \u03c3\u03b5\u03bd\u03ac\u03c1\u03b9\u03b1.<\/p>\n\n\n\n<p><strong>\u039a\u03b1\u03c4\u03b1\u03c3\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2 \u03c3\u03c4\u03b9\u03c2 \u03bf\u03c0\u03bf\u03af\u03b5\u03c2 \u03b7 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7 Pearson \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03bc\u03b7\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03ba\u03b1\u03c4\u03ac\u03bb\u03bb\u03b7\u03bb\u03b7:<\/strong><\/p>\n\n\n\n<p><strong>\u039c\u03b7 \u03b3\u03c1\u03b1\u03bc\u03bc\u03b9\u03ba\u03ad\u03c2 \u03c3\u03c7\u03ad\u03c3\u03b5\u03b9\u03c2<\/strong>: \u0397 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7 Pearson \u03bc\u03b5\u03c4\u03c1\u03ac \u03bc\u03cc\u03bd\u03bf <strong>\u03b3\u03c1\u03b1\u03bc\u03bc\u03b9\u03ba\u03ad\u03c2 \u03c3\u03c7\u03ad\u03c3\u03b5\u03b9\u03c2<\/strong>, \u03bf\u03c0\u03cc\u03c4\u03b5 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03bc\u03b7\u03bd \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03bf\u03c0\u03c4\u03c1\u03af\u03b6\u03b5\u03b9 \u03bc\u03b5 \u03b1\u03ba\u03c1\u03af\u03b2\u03b5\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b9\u03c3\u03c7\u03cd \u03c4\u03b7\u03c2 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7\u03c2 \u03c3\u03b5 \u03c0\u03b5\u03c1\u03b9\u03c0\u03c4\u03ce\u03c3\u03b5\u03b9\u03c2 \u03cc\u03c0\u03bf\u03c5 \u03b7 \u03c3\u03c7\u03ad\u03c3\u03b7 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03c9\u03bd \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ce\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03ba\u03b1\u03bc\u03c0\u03cd\u03bb\u03b7 \u03ae \u03bc\u03b7 \u03b3\u03c1\u03b1\u03bc\u03bc\u03b9\u03ba\u03ae. \u0393\u03b9\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1, \u03b5\u03ac\u03bd \u03bf\u03b9 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ad\u03c2 \u03ad\u03c7\u03bf\u03c5\u03bd \u03c4\u03b5\u03c4\u03c1\u03b1\u03b3\u03c9\u03bd\u03b9\u03ba\u03ae \u03ae \u03b5\u03ba\u03b8\u03b5\u03c4\u03b9\u03ba\u03ae \u03c3\u03c7\u03ad\u03c3\u03b7, \u03b7 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7 Pearson \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c5\u03c0\u03bf\u03b5\u03ba\u03c4\u03b9\u03bc\u03ac \u03ae \u03bd\u03b1 \u03bc\u03b7\u03bd \u03b1\u03c0\u03bf\u03c4\u03c5\u03c0\u03ce\u03bd\u03b5\u03b9 \u03c4\u03b7\u03bd \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae \u03c3\u03c7\u03ad\u03c3\u03b7.<\/p>\n\n\n\n<p><strong>Outliers<\/strong>: \u0397 \u03c0\u03b1\u03c1\u03bf\u03c5\u03c3\u03af\u03b1 \u03c4\u03bf\u03c5 <strong>outliers<\/strong> (\u03b1\u03ba\u03c1\u03b1\u03af\u03b5\u03c2 \u03c4\u03b9\u03bc\u03ad\u03c2) \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03b1\u03bb\u03bb\u03bf\u03b9\u03ce\u03c3\u03bf\u03c5\u03bd \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03ac \u03c4\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1 \u03c4\u03b7\u03c2 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7\u03c2 Pearson, \u03b4\u03af\u03bd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03bc\u03b9\u03b1 \u03c0\u03b1\u03c1\u03b1\u03c0\u03bb\u03b1\u03bd\u03b7\u03c4\u03b9\u03ba\u03ae \u03b5\u03b9\u03ba\u03cc\u03bd\u03b1 \u03c4\u03b7\u03c2 \u03c3\u03c5\u03bd\u03bf\u03bb\u03b9\u03ba\u03ae\u03c2 \u03c3\u03c7\u03ad\u03c3\u03b7\u03c2 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03c9\u03bd \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ce\u03bd. \u039c\u03b9\u03b1 \u03bc\u03b5\u03bc\u03bf\u03bd\u03c9\u03bc\u03ad\u03bd\u03b7 \u03b1\u03ba\u03c1\u03b1\u03af\u03b1 \u03c4\u03b9\u03bc\u03ae \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b4\u03b9\u03bf\u03b3\u03ba\u03ce\u03c3\u03b5\u03b9 \u03ae \u03bd\u03b1 \u03b1\u03c0\u03bf\u03c0\u03bb\u03b7\u03b8\u03c9\u03c1\u03af\u03c3\u03b5\u03b9 \u03c4\u03b5\u03c7\u03bd\u03b7\u03c4\u03ac \u03c4\u03b7\u03bd \u03c4\u03b9\u03bc\u03ae \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7\u03c2.<\/p>\n\n\n\n<p><strong>\u039c\u03b7 \u03c3\u03c5\u03bd\u03b5\u03c7\u03b5\u03af\u03c2 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ad\u03c2<\/strong>: \u0397 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7 Pearson \u03c0\u03c1\u03bf\u03cb\u03c0\u03bf\u03b8\u03ad\u03c4\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03ba\u03b1\u03b9 \u03bf\u03b9 \u03b4\u03cd\u03bf \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ad\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c5\u03bd\u03b5\u03c7\u03b5\u03af\u03c2 \u03ba\u03b1\u03b9 \u03ba\u03b1\u03bd\u03bf\u03bd\u03b9\u03ba\u03ac \u03ba\u03b1\u03c4\u03b1\u03bd\u03b5\u03bc\u03b7\u03bc\u03ad\u03bd\u03b5\u03c2. \u039c\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03bc\u03b7\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03ba\u03b1\u03c4\u03ac\u03bb\u03bb\u03b7\u03bb\u03b7 \u03b3\u03b9\u03b1 <strong>\u03ba\u03b1\u03c4\u03b7\u03b3\u03bf\u03c1\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc<\/strong> \u03ae <strong>\u03c4\u03b1\u03be\u03b9\u03bd\u03bf\u03bc\u03b7\u03bc\u03ad\u03bd\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1<\/strong>, \u03cc\u03c0\u03bf\u03c5 \u03bf\u03b9 \u03c3\u03c7\u03ad\u03c3\u03b5\u03b9\u03c2 \u03b4\u03b5\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c0\u03b1\u03c1\u03b1\u03af\u03c4\u03b7\u03c4\u03b1 \u03b3\u03c1\u03b1\u03bc\u03bc\u03b9\u03ba\u03ad\u03c2 \u03ae \u03b1\u03c1\u03b9\u03b8\u03bc\u03b7\u03c4\u03b9\u03ba\u03ad\u03c2.<\/p>\n\n\n\n<p><strong>\u0395\u03c4\u03b5\u03c1\u03bf\u03c3\u03ba\u03b5\u03b4\u03b1\u03c3\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1<\/strong>: \u038c\u03c4\u03b1\u03bd \u03b7 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03cc\u03c4\u03b7\u03c4\u03b1 \u03bc\u03b9\u03b1\u03c2 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ae\u03c2 \u03b4\u03b9\u03b1\u03c6\u03ad\u03c1\u03b5\u03b9 \u03c3\u03b5 \u03cc\u03bb\u03bf \u03c4\u03bf \u03b5\u03cd\u03c1\u03bf\u03c2 \u03bc\u03b9\u03b1\u03c2 \u03ac\u03bb\u03bb\u03b7\u03c2 (\u03b4\u03b7\u03bb\u03b1\u03b4\u03ae \u03cc\u03c4\u03b1\u03bd \u03b7 \u03b4\u03b9\u03b1\u03c3\u03c0\u03bf\u03c1\u03ac \u03c4\u03c9\u03bd \u03c3\u03b7\u03bc\u03b5\u03af\u03c9\u03bd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03b4\u03b5\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03ae), \u03b7 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7 Pearson \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b4\u03ce\u03c3\u03b5\u03b9 \u03ad\u03bd\u03b1 \u03b1\u03bd\u03b1\u03ba\u03c1\u03b9\u03b2\u03ad\u03c2 \u03bc\u03ad\u03c4\u03c1\u03bf \u03c4\u03b7\u03c2 \u03c3\u03c7\u03ad\u03c3\u03b7\u03c2. \u0391\u03c5\u03c4\u03ae \u03b7 \u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b3\u03bd\u03c9\u03c3\u03c4\u03ae \u03c9\u03c2 <strong>\u03b5\u03c4\u03b5\u03c1\u03bf\u03c3\u03ba\u03b5\u03b4\u03b1\u03c3\u03c4\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1<\/strong>\u03ba\u03b1\u03b9 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c0\u03b1\u03c1\u03b1\u03bc\u03bf\u03c1\u03c6\u03ce\u03c3\u03b5\u03b9 \u03c4\u03bf\u03bd \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae.<\/p>\n\n\n\n<p><strong>\u03a0\u03b5\u03c1\u03b9\u03bf\u03c1\u03b9\u03c3\u03bc\u03cc\u03c2 \u03bc\u03cc\u03bd\u03bf \u03c3\u03b5 \u03b3\u03c1\u03b1\u03bc\u03bc\u03b9\u03ba\u03ad\u03c2 \u03c3\u03c7\u03ad\u03c3\u03b5\u03b9\u03c2:<\/strong> \u0397 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7 Pearson \u03bc\u03b5\u03c4\u03c1\u03ac \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03b1 \u03c4\u03b7\u03bd \u03b9\u03c3\u03c7\u03cd \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03ba\u03b1\u03c4\u03b5\u03cd\u03b8\u03c5\u03bd\u03c3\u03b7 \u03c4\u03b7\u03c2 <strong>\u03b3\u03c1\u03b1\u03bc\u03bc\u03b9\u03ba\u03ad\u03c2 \u03c3\u03c7\u03ad\u03c3\u03b5\u03b9\u03c2<\/strong>. \u0395\u03ac\u03bd \u03bf\u03b9 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ad\u03c2 \u03c3\u03c5\u03bd\u03b4\u03ad\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03bc\u03b7 \u03b3\u03c1\u03b1\u03bc\u03bc\u03b9\u03ba\u03cc \u03c4\u03c1\u03cc\u03c0\u03bf, \u03b7 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7 Pearson \u03b4\u03b5\u03bd \u03b8\u03b1 \u03c4\u03bf \u03b5\u03bd\u03c4\u03bf\u03c0\u03af\u03c3\u03b5\u03b9 \u03b1\u03c5\u03c4\u03cc. \u0393\u03b9\u03b1 \u03c0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1, \u03b5\u03ac\u03bd \u03bc\u03b9\u03b1 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ae \u03b1\u03c5\u03be\u03ac\u03bd\u03b5\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03b1\u03c5\u03be\u03b1\u03bd\u03cc\u03bc\u03b5\u03bd\u03bf \u03c1\u03c5\u03b8\u03bc\u03cc \u03c3\u03b5 \u03c3\u03c7\u03ad\u03c3\u03b7 \u03bc\u03b5 \u03bc\u03b9\u03b1 \u03ac\u03bb\u03bb\u03b7 (\u03cc\u03c0\u03c9\u03c2 \u03c3\u03b5 \u03bc\u03b9\u03b1 \u03b5\u03ba\u03b8\u03b5\u03c4\u03b9\u03ba\u03ae \u03ae \u03bb\u03bf\u03b3\u03b1\u03c1\u03b9\u03b8\u03bc\u03b9\u03ba\u03ae \u03c3\u03c7\u03ad\u03c3\u03b7), \u03b7 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7 Pearson \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b4\u03b5\u03af\u03be\u03b5\u03b9 \u03b1\u03c3\u03b8\u03b5\u03bd\u03ae \u03ae \u03bc\u03b7\u03b4\u03b5\u03bd\u03b9\u03ba\u03ae \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7, \u03c0\u03b1\u03c1\u03ac \u03c4\u03b7\u03bd \u03cd\u03c0\u03b1\u03c1\u03be\u03b7 \u03b9\u03c3\u03c7\u03c5\u03c1\u03ae\u03c2 \u03c3\u03c7\u03ad\u03c3\u03b7\u03c2.<\/p>\n\n\n\n<p>\u0393\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b1\u03bd\u03c4\u03b9\u03bc\u03b5\u03c4\u03ce\u03c0\u03b9\u03c3\u03b7 \u03b1\u03c5\u03c4\u03ce\u03bd \u03c4\u03c9\u03bd \u03c0\u03b5\u03c1\u03b9\u03bf\u03c1\u03b9\u03c3\u03bc\u03ce\u03bd, \u03bf\u03b9 \u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03c4\u03ad\u03c2 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03bf\u03c5\u03bd \u03ac\u03bb\u03bb\u03b5\u03c2 \u03bc\u03b5\u03b8\u03cc\u03b4\u03bf\u03c5\u03c2, \u03cc\u03c0\u03c9\u03c2 <strong>\u03a3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7 \u03ba\u03b1\u03c4\u03ac\u03c4\u03b1\u03be\u03b7\u03c2 Spearman<\/strong> \u03b3\u03b9\u03b1 \u03c4\u03b1\u03be\u03b9\u03bd\u03bf\u03bc\u03b7\u03bc\u03ad\u03bd\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03ae <strong>\u03bc\u03bf\u03bd\u03c4\u03ad\u03bb\u03b1 \u03bc\u03b7 \u03b3\u03c1\u03b1\u03bc\u03bc\u03b9\u03ba\u03ae\u03c2 \u03c0\u03b1\u03bb\u03b9\u03bd\u03b4\u03c1\u03cc\u03bc\u03b7\u03c3\u03b7\u03c2<\/strong> \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03ba\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b7 \u03b1\u03c0\u03bf\u03c4\u03cd\u03c0\u03c9\u03c3\u03b7 \u03c0\u03bf\u03bb\u03cd\u03c0\u03bb\u03bf\u03ba\u03c9\u03bd \u03c3\u03c7\u03ad\u03c3\u03b5\u03c9\u03bd. \u03a3\u03c4\u03b7\u03bd \u03bf\u03c5\u03c3\u03af\u03b1, \u03b5\u03bd\u03ce \u03b7 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7 Pearson \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03bf\u03bb\u03cd\u03c4\u03b9\u03bc\u03b7 \u03b3\u03b9\u03b1 \u03c4\u03b9\u03c2 \u03b3\u03c1\u03b1\u03bc\u03bc\u03b9\u03ba\u03ad\u03c2 \u03c3\u03c7\u03ad\u03c3\u03b5\u03b9\u03c2, \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b5\u03c6\u03b1\u03c1\u03bc\u03cc\u03b6\u03b5\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03c0\u03c1\u03bf\u03c3\u03bf\u03c7\u03ae, \u03b4\u03b9\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03c2 \u03cc\u03c4\u03b9 \u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03c0\u03bb\u03b7\u03c1\u03bf\u03cd\u03bd \u03c4\u03b9\u03c2 \u03c0\u03b1\u03c1\u03b1\u03b4\u03bf\u03c7\u03ad\u03c2 \u03c0\u03bf\u03c5 \u03b1\u03c0\u03b1\u03b9\u03c4\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b1\u03ba\u03c1\u03b9\u03b2\u03ae \u03b5\u03c1\u03bc\u03b7\u03bd\u03b5\u03af\u03b1.<\/p>\n\n\n\n<h2><strong>\u03a0\u03ce\u03c2 \u03bd\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03b5\u03c4\u03b5 \u03c4\u03b7 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7 Pearson<\/strong><\/h2>\n\n\n\n<h3><strong>\u0395\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03b1 \u03ba\u03b1\u03b9 \u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03b9\u03ba\u03cc<\/strong><\/h3>\n\n\n\n<p>\u03a5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03cc\u03c2 \u03c4\u03bf\u03c5 <strong>\u03a3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7 Pearson<\/strong> \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b3\u03af\u03bd\u03b5\u03b9 \u03c7\u03b5\u03b9\u03c1\u03bf\u03ba\u03af\u03bd\u03b7\u03c4\u03b1, \u03b1\u03bb\u03bb\u03ac \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03bf\u03bb\u03cd \u03c0\u03b9\u03bf \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc \u03ba\u03b1\u03b9 \u03c0\u03c1\u03b1\u03ba\u03c4\u03b9\u03ba\u03cc \u03bd\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c3\u03c4\u03b1\u03c4\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03b1 \u03ba\u03b1\u03b9 \u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03b9\u03ba\u03cc. \u0391\u03c5\u03c4\u03ac \u03c4\u03b1 \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03b1 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03c3\u03bf\u03c5\u03bd \u03b3\u03c1\u03ae\u03b3\u03bf\u03c1\u03b1 \u03c4\u03bf\u03bd \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7\u03c2 Pearson, \u03bd\u03b1 \u03c7\u03b5\u03b9\u03c1\u03b9\u03c3\u03c4\u03bf\u03cd\u03bd \u03bc\u03b5\u03b3\u03ac\u03bb\u03b1 \u03c3\u03cd\u03bd\u03bf\u03bb\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03c0\u03c1\u03bf\u03c3\u03c6\u03ad\u03c1\u03bf\u03c5\u03bd \u03c0\u03c1\u03cc\u03c3\u03b8\u03b5\u03c4\u03b1 \u03c3\u03c4\u03b1\u03c4\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac \u03b3\u03b9\u03b1 \u03bf\u03bb\u03bf\u03ba\u03bb\u03b7\u03c1\u03c9\u03bc\u03ad\u03bd\u03b7 \u03b1\u03bd\u03ac\u03bb\u03c5\u03c3\u03b7. \u03a5\u03c0\u03ac\u03c1\u03c7\u03bf\u03c5\u03bd \u03b4\u03b9\u03ac\u03c6\u03bf\u03c1\u03b1 \u03b4\u03b7\u03bc\u03bf\u03c6\u03b9\u03bb\u03ae \u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03b9\u03ba\u03ac \u03ba\u03b1\u03b9 \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03b1 \u03b4\u03b9\u03b1\u03b8\u03ad\u03c3\u03b9\u03bc\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03bf\u03bd \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03cc \u03c4\u03b7\u03c2 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7\u03c2 Pearson:<\/p>\n\n\n\n<p><strong>Microsoft Excel<\/strong>: \u0388\u03bd\u03b1 \u03b5\u03c5\u03c1\u03ad\u03c9\u03c2 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bc\u03b5\u03bd\u03bf \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03bf \u03bc\u03b5 \u03b5\u03bd\u03c3\u03c9\u03bc\u03b1\u03c4\u03c9\u03bc\u03ad\u03bd\u03b5\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b5\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03bf\u03bd \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03cc \u03c4\u03b7\u03c2 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7\u03c2 Pearson, \u03ba\u03b1\u03b8\u03b9\u03c3\u03c4\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c4\u03bf \u03c0\u03c1\u03bf\u03c3\u03b9\u03c4\u03cc \u03b3\u03b9\u03b1 \u03b2\u03b1\u03c3\u03b9\u03ba\u03ad\u03c2 \u03c3\u03c4\u03b1\u03c4\u03b9\u03c3\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b5\u03c2.<\/p>\n\n\n\n<p><a href=\"https:\/\/www.ibm.com\/spss\"><strong>SPSS (\u03c3\u03c4\u03b1\u03c4\u03b9\u03c3\u03c4\u03b9\u03ba\u03cc \u03c0\u03b1\u03ba\u03ad\u03c4\u03bf \u03b3\u03b9\u03b1 \u03c4\u03b9\u03c2 \u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03b9\u03ba\u03ad\u03c2 \u03b5\u03c0\u03b9\u03c3\u03c4\u03ae\u03bc\u03b5\u03c2)<\/strong><\/a>: \u0391\u03c5\u03c4\u03cc \u03c4\u03bf \u03b9\u03c3\u03c7\u03c5\u03c1\u03cc \u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03b9\u03ba\u03cc \u03ad\u03c7\u03b5\u03b9 \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03c4\u03b5\u03af \u03b3\u03b9\u03b1 \u03c3\u03c4\u03b1\u03c4\u03b9\u03c3\u03c4\u03b9\u03ba\u03ae \u03b1\u03bd\u03ac\u03bb\u03c5\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af\u03c4\u03b1\u03b9 \u03c3\u03c5\u03bd\u03ae\u03b8\u03c9\u03c2 \u03c3\u03c4\u03b9\u03c2 \u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03b9\u03ba\u03ad\u03c2 \u03b5\u03c0\u03b9\u03c3\u03c4\u03ae\u03bc\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03b9\u03b1\u03c4\u03c1\u03b9\u03ba\u03ae \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1.<\/p>\n\n\n\n<p><a href=\"https:\/\/www.r-project.org\/about.html\"><strong>\u0393\u03bb\u03ce\u03c3\u03c3\u03b1 \u03c0\u03c1\u03bf\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03bf\u03cd R<\/strong>:<\/a> \u039c\u03b9\u03b1 \u03b5\u03bb\u03b5\u03cd\u03b8\u03b5\u03c1\u03b7 \u03ba\u03b1\u03b9 \u03b1\u03bd\u03bf\u03b9\u03ba\u03c4\u03bf\u03cd \u03ba\u03ce\u03b4\u03b9\u03ba\u03b1 \u03b3\u03bb\u03ce\u03c3\u03c3\u03b1 \u03c0\u03c1\u03bf\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03bf\u03cd \u03b5\u03b9\u03b4\u03b9\u03ba\u03ac \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03bc\u03ad\u03bd\u03b7 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b1\u03bd\u03ac\u03bb\u03c5\u03c3\u03b7 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03ba\u03b1\u03b9 \u03c4\u03b7 \u03c3\u03c4\u03b1\u03c4\u03b9\u03c3\u03c4\u03b9\u03ba\u03ae. \u0397 R \u03c0\u03c1\u03bf\u03c3\u03c6\u03ad\u03c1\u03b5\u03b9 \u03b5\u03ba\u03c4\u03b5\u03c4\u03b1\u03bc\u03ad\u03bd\u03b7 \u03b5\u03c5\u03b5\u03bb\u03b9\u03be\u03af\u03b1 \u03ba\u03b1\u03b9 \u03b4\u03c5\u03bd\u03b1\u03c4\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c0\u03c1\u03bf\u03c3\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae\u03c2.<\/p>\n\n\n\n<p><a href=\"https:\/\/www.codecademy.com\/article\/introduction-to-numpy-and-pandas\"><strong>Python (\u03bc\u03b5 \u03b2\u03b9\u03b2\u03bb\u03b9\u03bf\u03b8\u03ae\u03ba\u03b5\u03c2 \u03cc\u03c0\u03c9\u03c2 \u03bf\u03b9 Pandas \u03ba\u03b1\u03b9 NumPy)<\/strong><\/a><strong>)<\/strong>: \u0397 Python \u03b5\u03af\u03bd\u03b1\u03b9 \u03bc\u03b9\u03b1 \u03ac\u03bb\u03bb\u03b7 \u03b9\u03c3\u03c7\u03c5\u03c1\u03ae \u03b3\u03bb\u03ce\u03c3\u03c3\u03b1 \u03b1\u03bd\u03bf\u03b9\u03ba\u03c4\u03bf\u03cd \u03ba\u03ce\u03b4\u03b9\u03ba\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b1\u03bd\u03ac\u03bb\u03c5\u03c3\u03b7 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd, \u03bc\u03b5 \u03c6\u03b9\u03bb\u03b9\u03ba\u03ad\u03c2 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03bf \u03c7\u03c1\u03ae\u03c3\u03c4\u03b7 \u03b2\u03b9\u03b2\u03bb\u03b9\u03bf\u03b8\u03ae\u03ba\u03b5\u03c2 \u03c0\u03bf\u03c5 \u03b1\u03c0\u03bb\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bd \u03c4\u03bf\u03bd \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03cc \u03c4\u03b7\u03c2 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7\u03c2 Pearson.<\/p>\n\n\n\n<p><a href=\"https:\/\/www.graphpad.com\/features\"><strong>GraphPad Prism<\/strong><\/a>: \u0394\u03b7\u03bc\u03bf\u03c6\u03b9\u03bb\u03ad\u03c2 \u03c3\u03c4\u03b9\u03c2 \u03b2\u03b9\u03bf\u03bb\u03bf\u03b3\u03b9\u03ba\u03ad\u03c2 \u03b5\u03c0\u03b9\u03c3\u03c4\u03ae\u03bc\u03b5\u03c2, \u03b1\u03c5\u03c4\u03cc \u03c4\u03bf \u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03b9\u03ba\u03cc \u03c0\u03c1\u03bf\u03c3\u03c6\u03ad\u03c1\u03b5\u03b9 \u03bc\u03b9\u03b1 \u03b4\u03b9\u03b1\u03b9\u03c3\u03b8\u03b7\u03c4\u03b9\u03ba\u03ae \u03b4\u03b9\u03b5\u03c0\u03b1\u03c6\u03ae \u03b3\u03b9\u03b1 \u03c3\u03c4\u03b1\u03c4\u03b9\u03c3\u03c4\u03b9\u03ba\u03ae \u03b1\u03bd\u03ac\u03bb\u03c5\u03c3\u03b7, \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03b1\u03bd\u03bf\u03bc\u03ad\u03bd\u03b7\u03c2 \u03c4\u03b7\u03c2 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7\u03c2 Pearson.<\/p>\n\n\n\n<p><strong>\u0392\u03b1\u03c3\u03b9\u03ba\u03cc\u03c2 \u03bf\u03b4\u03b7\u03b3\u03cc\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03c7\u03c1\u03ae\u03c3\u03b7 \u03b1\u03c5\u03c4\u03ce\u03bd \u03c4\u03c9\u03bd \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03c9\u03bd \u03b1\u03bd\u03ac\u03bb\u03c5\u03c3\u03b7\u03c2:<\/strong><\/p>\n\n\n\n<p><strong>Microsoft Excel:<\/strong><\/p>\n\n\n\n<ul>\n<li>\u0395\u03b9\u03c3\u03ac\u03b3\u03b5\u03c4\u03b5 \u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03c3\u03b1\u03c2 \u03c3\u03b5 \u03b4\u03cd\u03bf \u03c3\u03c4\u03ae\u03bb\u03b5\u03c2, \u03bc\u03af\u03b1 \u03b3\u03b9\u03b1 \u03ba\u03ac\u03b8\u03b5 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ae.<\/li>\n\n\n\n<li>\u03a7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03c4\u03b5 \u03c4\u03b7\u03bd \u03b5\u03bd\u03c3\u03c9\u03bc\u03b1\u03c4\u03c9\u03bc\u03ad\u03bd\u03b7 \u03c3\u03c5\u03bd\u03ac\u03c1\u03c4\u03b7\u03c3\u03b7 =CORREL(array1, array2) \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03c3\u03b5\u03c4\u03b5 \u03c4\u03b7 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7 Pearson \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03c9\u03bd \u03b4\u03cd\u03bf \u03c3\u03c5\u03bd\u03cc\u03bb\u03c9\u03bd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd.<\/li>\n<\/ul>\n\n\n\n<p><strong>SPSS:<\/strong><\/p>\n\n\n\n<ul>\n<li>\u0395\u03b9\u03c3\u03ac\u03b3\u03b5\u03c4\u03b5 \u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03c3\u03b1\u03c2 \u03c3\u03c4\u03bf SPSS.<\/li>\n\n\n\n<li>\u03a0\u03b7\u03b3\u03b1\u03af\u03bd\u03b5\u03c4\u03b5 \u03c3\u03c4\u03bf <strong>\u0391\u03bd\u03ac\u03bb\u03c5\u03c3\u03b7 &gt; \u03a3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7 &gt; \u0394\u03b9\u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ae<\/strong>, \u03ba\u03b1\u03b9 \u03b5\u03c0\u03b9\u03bb\u03ad\u03be\u03c4\u03b5 \u03c4\u03b9\u03c2 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ad\u03c2 \u03b3\u03b9\u03b1 \u03b1\u03bd\u03ac\u03bb\u03c5\u03c3\u03b7.<\/li>\n\n\n\n<li>\u0395\u03c0\u03b9\u03bb\u03ad\u03be\u03c4\u03b5 \"Pearson\" \u03c3\u03c4\u03b9\u03c2 \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ad\u03c2 \u03c4\u03bf\u03c5 \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03ba\u03ac\u03bd\u03c4\u03b5 \u03ba\u03bb\u03b9\u03ba \u03c3\u03c4\u03bf \"OK\".<\/li>\n<\/ul>\n\n\n\n<p><strong>\u03a0\u03c1\u03bf\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1\u03c4\u03b9\u03c3\u03bc\u03cc\u03c2 R:<\/strong><\/p>\n\n\n\n<ul>\n<li>\u0395\u03b9\u03c3\u03ac\u03b3\u03b5\u03c4\u03b5 \u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03c3\u03b1\u03c2 \u03c3\u03c4\u03b7\u03bd R \u03c9\u03c2 \u03b4\u03b9\u03b1\u03bd\u03cd\u03c3\u03bc\u03b1\u03c4\u03b1 \u03ae \u03c0\u03bb\u03b1\u03af\u03c3\u03b9\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd.<\/li>\n\n\n\n<li>\u03a7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03c4\u03b5 \u03c4\u03b7 \u03c3\u03c5\u03bd\u03ac\u03c1\u03c4\u03b7\u03c3\u03b7 cor(x, y, method = \"pearson\") \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03c3\u03b5\u03c4\u03b5 \u03c4\u03b7 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7 Pearson.<\/li>\n<\/ul>\n\n\n\n<p><strong>Python (Pandas\/NumPy):<\/strong><\/p>\n\n\n\n<ul>\n<li>\u03a6\u03bf\u03c1\u03c4\u03ce\u03c3\u03c4\u03b5 \u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03c3\u03b1\u03c2 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c4\u03bf Pandas.<\/li>\n\n\n\n<li>\u03a7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03c4\u03b5 df['variable1'].corr(df['variable2']) \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03c3\u03b5\u03c4\u03b5 \u03c4\u03b7 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7 Pearson \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03b4\u03cd\u03bf \u03c3\u03c4\u03b7\u03bb\u03ce\u03bd.<\/li>\n<\/ul>\n\n\n\n<p><strong>GraphPad Prism:<\/strong><\/p>\n\n\n\n<ul>\n<li>\u0395\u03b9\u03c3\u03ac\u03b3\u03b5\u03c4\u03b5 \u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03c3\u03b1\u03c2 \u03c3\u03c4\u03bf \u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03b9\u03ba\u03cc.<\/li>\n\n\n\n<li>\u0395\u03c0\u03b9\u03bb\u03ad\u03be\u03c4\u03b5 \u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae \u03b1\u03bd\u03ac\u03bb\u03c5\u03c3\u03b7\u03c2 \"\u03a3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7\", \u03b5\u03c0\u03b9\u03bb\u03ad\u03be\u03c4\u03b5 \u03c4\u03b7 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7 Pearson \u03ba\u03b1\u03b9 \u03c4\u03bf \u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03b9\u03ba\u03cc \u03b8\u03b1 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03ae\u03c3\u03b5\u03b9 \u03c4\u03bf \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7\u03c2 \u03bc\u03b1\u03b6\u03af \u03bc\u03b5 \u03ad\u03bd\u03b1 \u03bf\u03c0\u03c4\u03b9\u03ba\u03cc \u03b4\u03b9\u03ac\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1 \u03b4\u03b9\u03b1\u03c3\u03c0\u03bf\u03c1\u03ac\u03c2.<\/li>\n<\/ul>\n\n\n\n<p>\u0391\u03c5\u03c4\u03ac \u03c4\u03b1 \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03b1 \u03b4\u03b5\u03bd \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03b6\u03bf\u03c5\u03bd \u03bc\u03cc\u03bd\u03bf \u03c4\u03bf\u03bd \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7\u03c2 Pearson, \u03b1\u03bb\u03bb\u03ac \u03c0\u03b1\u03c1\u03ad\u03c7\u03bf\u03c5\u03bd \u03b5\u03c0\u03af\u03c3\u03b7\u03c2 \u03b3\u03c1\u03b1\u03c6\u03b9\u03ba\u03ad\u03c2 \u03b5\u03be\u03cc\u03b4\u03bf\u03c5\u03c2, \u03c4\u03b9\u03bc\u03ad\u03c2 p-values \u03ba\u03b1\u03b9 \u03ac\u03bb\u03bb\u03b1 \u03c3\u03c4\u03b1\u03c4\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac \u03bc\u03ad\u03c4\u03c1\u03b1 \u03c0\u03bf\u03c5 \u03b2\u03bf\u03b7\u03b8\u03bf\u03cd\u03bd \u03c3\u03c4\u03b7\u03bd \u03b5\u03c1\u03bc\u03b7\u03bd\u03b5\u03af\u03b1 \u03c4\u03c9\u03bd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd. \u0397 \u03ba\u03b1\u03c4\u03b1\u03bd\u03cc\u03b7\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c4\u03c1\u03cc\u03c0\u03bf\u03c5 \u03c7\u03c1\u03ae\u03c3\u03b7\u03c2 \u03b1\u03c5\u03c4\u03ce\u03bd \u03c4\u03c9\u03bd \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03c9\u03bd \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03c4\u03b7\u03bd \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae \u03ba\u03b1\u03b9 \u03b1\u03ba\u03c1\u03b9\u03b2\u03ae \u03b1\u03bd\u03ac\u03bb\u03c5\u03c3\u03b7 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7\u03c2, \u03b1\u03c0\u03b1\u03c1\u03b1\u03af\u03c4\u03b7\u03c4\u03b7 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03b7 \u03bb\u03ae\u03c8\u03b7 \u03b1\u03c0\u03bf\u03c6\u03ac\u03c3\u03b5\u03c9\u03bd \u03b2\u03ac\u03c3\u03b5\u03b9 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd.<\/p>\n\n\n\n<p><a href=\"https:\/\/mindthegraph.com\/blog\/infographic-and-visual-design-statistics\/\">\u0395\u03b4\u03ce \u03bc\u03c0\u03bf\u03c1\u03b5\u03af\u03c4\u03b5 \u03bd\u03b1 \u03b2\u03c1\u03b5\u03af\u03c4\u03b5 \u03c3\u03c4\u03b1\u03c4\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac \u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af\u03b1 \u03b3\u03b9\u03b1 Infographic \u03ba\u03b1\u03b9 Visual Design<\/a>&nbsp;<\/p>\n\n\n\n<h3><strong>\u03a0\u03c1\u03b1\u03ba\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c3\u03c5\u03bc\u03b2\u03bf\u03c5\u03bb\u03ad\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03c7\u03c1\u03ae\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7\u03c2 Pearson<\/strong><\/h3>\n\n\n\n<p><strong>\u03a0\u03c1\u03bf\u03b5\u03c4\u03bf\u03b9\u03bc\u03b1\u03c3\u03af\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03ba\u03b1\u03b9 \u03ad\u03bb\u03b5\u03b3\u03c7\u03bf\u03b9 \u03c0\u03c1\u03b9\u03bd \u03b1\u03c0\u03cc \u03c4\u03bf\u03bd \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03cc \u03c4\u03b7\u03c2 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7\u03c2:<\/strong><\/p>\n\n\n\n<p><strong>\u0394\u03b9\u03b1\u03c3\u03c6\u03ac\u03bb\u03b9\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03c0\u03bf\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03c4\u03c9\u03bd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd:<\/strong> \u0395\u03c0\u03b1\u03bb\u03b7\u03b8\u03b5\u03cd\u03c3\u03c4\u03b5 \u03cc\u03c4\u03b9 \u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03c3\u03b1\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03ba\u03c1\u03b9\u03b2\u03ae \u03ba\u03b1\u03b9 \u03c0\u03bb\u03ae\u03c1\u03b7. \u0395\u03bb\u03ad\u03b3\u03be\u03c4\u03b5 \u03ba\u03b1\u03b9 \u03b1\u03bd\u03c4\u03b9\u03bc\u03b5\u03c4\u03c9\u03c0\u03af\u03c3\u03c4\u03b5 \u03c4\u03c5\u03c7\u03cc\u03bd \u03b5\u03bb\u03bb\u03b5\u03af\u03c0\u03bf\u03c5\u03c3\u03b5\u03c2 \u03c4\u03b9\u03bc\u03ad\u03c2, \u03ba\u03b1\u03b8\u03ce\u03c2 \u03b1\u03c5\u03c4\u03ad\u03c2 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b1\u03bb\u03bb\u03bf\u03b9\u03ce\u03c3\u03bf\u03c5\u03bd \u03c4\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1. \u03a4\u03b1 \u03b5\u03bb\u03bb\u03b9\u03c0\u03ae \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03bf\u03b4\u03b7\u03b3\u03ae\u03c3\u03bf\u03c5\u03bd \u03c3\u03b5 \u03bb\u03b1\u03bd\u03b8\u03b1\u03c3\u03bc\u03ad\u03bd\u03bf\u03c5\u03c2 \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ad\u03c2 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7\u03c2 \u03ae \u03c0\u03b1\u03c1\u03b1\u03c0\u03bb\u03b1\u03bd\u03b7\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b5\u03c1\u03bc\u03b7\u03bd\u03b5\u03af\u03b5\u03c2.<\/p>\n\n\n\n<p><strong>\u0388\u03bb\u03b5\u03b3\u03c7\u03bf\u03c2 \u03b3\u03c1\u03b1\u03bc\u03bc\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2:<\/strong> \u0397 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7 Pearson \u03bc\u03b5\u03c4\u03c1\u03ac \u03b3\u03c1\u03b1\u03bc\u03bc\u03b9\u03ba\u03ad\u03c2 \u03c3\u03c7\u03ad\u03c3\u03b5\u03b9\u03c2. \u03a0\u03c1\u03b9\u03bd \u03b1\u03c0\u03cc \u03c4\u03bf\u03bd \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03cc, \u03c3\u03c7\u03b5\u03b4\u03b9\u03ac\u03c3\u03c4\u03b5 \u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03c3\u03b1\u03c2 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ce\u03bd\u03c4\u03b1\u03c2 \u03ad\u03bd\u03b1 \u03b4\u03b9\u03ac\u03b3\u03c1\u03b1\u03bc\u03bc\u03b1 \u03b4\u03b9\u03b1\u03c3\u03c0\u03bf\u03c1\u03ac\u03c2 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b1\u03be\u03b9\u03bf\u03bb\u03bf\u03b3\u03ae\u03c3\u03b5\u03c4\u03b5 \u03bf\u03c0\u03c4\u03b9\u03ba\u03ac \u03b1\u03bd \u03b7 \u03c3\u03c7\u03ad\u03c3\u03b7 \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03c9\u03bd \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ce\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03b3\u03c1\u03b1\u03bc\u03bc\u03b9\u03ba\u03ae. \u0395\u03ac\u03bd \u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03c0\u03b1\u03c1\u03bf\u03c5\u03c3\u03b9\u03ac\u03b6\u03bf\u03c5\u03bd \u03bc\u03b7 \u03b3\u03c1\u03b1\u03bc\u03bc\u03b9\u03ba\u03cc \u03bc\u03bf\u03c4\u03af\u03b2\u03bf, \u03b5\u03be\u03b5\u03c4\u03ac\u03c3\u03c4\u03b5 \u03b5\u03bd\u03b1\u03bb\u03bb\u03b1\u03ba\u03c4\u03b9\u03ba\u03ad\u03c2 \u03bc\u03b5\u03b8\u03cc\u03b4\u03bf\u03c5\u03c2, \u03cc\u03c0\u03c9\u03c2 \u03b7 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7 \u03ba\u03b1\u03c4\u03ac\u03c4\u03b1\u03be\u03b7\u03c2 \u03c4\u03bf\u03c5 Spearman \u03ae \u03b7 \u03bc\u03b7 \u03b3\u03c1\u03b1\u03bc\u03bc\u03b9\u03ba\u03ae \u03c0\u03b1\u03bb\u03b9\u03bd\u03b4\u03c1\u03cc\u03bc\u03b7\u03c3\u03b7.<\/p>\n\n\n\n<p><strong>\u0395\u03c0\u03b1\u03bb\u03ae\u03b8\u03b5\u03c5\u03c3\u03b7 \u03ba\u03b1\u03bd\u03bf\u03bd\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2:<\/strong> \u0397 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7 Pearson \u03c0\u03c1\u03bf\u03cb\u03c0\u03bf\u03b8\u03ad\u03c4\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03b3\u03b9\u03b1 \u03ba\u03ac\u03b8\u03b5 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ae \u03b5\u03af\u03bd\u03b1\u03b9 \u03c0\u03b5\u03c1\u03af\u03c0\u03bf\u03c5 \u03ba\u03b1\u03bd\u03bf\u03bd\u03b9\u03ba\u03ac \u03ba\u03b1\u03c4\u03b1\u03bd\u03b5\u03bc\u03b7\u03bc\u03ad\u03bd\u03b1. \u0391\u03bd \u03ba\u03b1\u03b9 \u03b5\u03af\u03bd\u03b1\u03b9 \u03ba\u03ac\u03c0\u03c9\u03c2 \u03b1\u03bd\u03b8\u03b5\u03ba\u03c4\u03b9\u03ba\u03ae \u03c3\u03c4\u03b9\u03c2 \u03b1\u03c0\u03bf\u03ba\u03bb\u03af\u03c3\u03b5\u03b9\u03c2 \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03ba\u03b1\u03bd\u03bf\u03bd\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1, \u03bf\u03b9 \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b1\u03c0\u03bf\u03ba\u03bb\u03af\u03c3\u03b5\u03b9\u03c2 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b5\u03c0\u03b7\u03c1\u03b5\u03ac\u03c3\u03bf\u03c5\u03bd \u03c4\u03b7\u03bd \u03b1\u03be\u03b9\u03bf\u03c0\u03b9\u03c3\u03c4\u03af\u03b1 \u03c4\u03c9\u03bd \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03ac\u03c4\u03c9\u03bd. \u03a7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03c4\u03b5 \u03b9\u03c3\u03c4\u03bf\u03b3\u03c1\u03ac\u03bc\u03bc\u03b1\u03c4\u03b1 \u03ae \u03b4\u03bf\u03ba\u03b9\u03bc\u03ad\u03c2 \u03ba\u03b1\u03bd\u03bf\u03bd\u03b9\u03ba\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b5\u03bb\u03ad\u03b3\u03be\u03b5\u03c4\u03b5 \u03c4\u03b7\u03bd \u03ba\u03b1\u03c4\u03b1\u03bd\u03bf\u03bc\u03ae \u03c4\u03c9\u03bd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03c3\u03b1\u03c2.<\/p>\n\n\n\n<p><strong>\u03a4\u03c5\u03c0\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd:<\/strong> \u0395\u03ac\u03bd \u03bf\u03b9 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ad\u03c2 \u03bc\u03b5\u03c4\u03c1\u03ce\u03bd\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ad\u03c2 \u03bc\u03bf\u03bd\u03ac\u03b4\u03b5\u03c2 \u03ae \u03ba\u03bb\u03af\u03bc\u03b1\u03ba\u03b5\u03c2, \u03b5\u03be\u03b5\u03c4\u03ac\u03c3\u03c4\u03b5 \u03c4\u03bf \u03b5\u03bd\u03b4\u03b5\u03c7\u03cc\u03bc\u03b5\u03bd\u03bf \u03c4\u03c5\u03c0\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03ae\u03c2 \u03c4\u03bf\u03c5\u03c2. \u0391\u03c5\u03c4\u03cc \u03c4\u03bf \u03b2\u03ae\u03bc\u03b1 \u03b4\u03b9\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03b6\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03b7 \u03c3\u03cd\u03b3\u03ba\u03c1\u03b9\u03c3\u03b7 \u03b4\u03b5\u03bd \u03bc\u03b5\u03c1\u03bf\u03bb\u03b7\u03c0\u03c4\u03b5\u03af \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03ba\u03bb\u03af\u03bc\u03b1\u03ba\u03b1 \u03bc\u03ad\u03c4\u03c1\u03b7\u03c3\u03b7\u03c2, \u03b1\u03bd \u03ba\u03b1\u03b9 \u03b7 \u03af\u03b4\u03b9\u03b1 \u03b7 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7 Pearson \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03bc\u03b5\u03c4\u03ac\u03b2\u03bb\u03b7\u03c4\u03b7 \u03c9\u03c2 \u03c0\u03c1\u03bf\u03c2 \u03c4\u03b7\u03bd \u03ba\u03bb\u03af\u03bc\u03b1\u03ba\u03b1.<\/p>\n\n\n\n<p><strong>\u03a3\u03c5\u03bd\u03ae\u03b8\u03b7 \u03bb\u03ac\u03b8\u03b7 \u03c0\u03bf\u03c5 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b1\u03c0\u03bf\u03c6\u03b5\u03cd\u03b3\u03bf\u03bd\u03c4\u03b1\u03b9 \u03ba\u03b1\u03c4\u03ac \u03c4\u03b7\u03bd \u03b5\u03c1\u03bc\u03b7\u03bd\u03b5\u03af\u03b1 \u03c4\u03c9\u03bd \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03ac\u03c4\u03c9\u03bd:<\/strong><\/p>\n\n\n\n<p><strong>\u03a5\u03c0\u03b5\u03c1\u03b5\u03ba\u03c4\u03af\u03bc\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b4\u03cd\u03bd\u03b1\u03bc\u03b7\u03c2:<\/strong> \u0388\u03bd\u03b1\u03c2 \u03c5\u03c8\u03b7\u03bb\u03cc\u03c2 \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae\u03c2 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7\u03c2 Pearson \u03b4\u03b5\u03bd \u03c3\u03c5\u03bd\u03b5\u03c0\u03ac\u03b3\u03b5\u03c4\u03b1\u03b9 \u03b1\u03b9\u03c4\u03b9\u03ce\u03b4\u03b7 \u03c3\u03c5\u03bd\u03ac\u03c6\u03b5\u03b9\u03b1. \u0397 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7 \u03bc\u03b5\u03c4\u03c1\u03ac \u03bc\u03cc\u03bd\u03bf \u03c4\u03b7\u03bd \u03b9\u03c3\u03c7\u03cd \u03bc\u03b9\u03b1\u03c2 \u03b3\u03c1\u03b1\u03bc\u03bc\u03b9\u03ba\u03ae\u03c2 \u03c3\u03c7\u03ad\u03c3\u03b7\u03c2, \u03cc\u03c7\u03b9 \u03c4\u03bf \u03ba\u03b1\u03c4\u03ac \u03c0\u03cc\u03c3\u03bf\u03bd \u03bc\u03b9\u03b1 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ae \u03c0\u03c1\u03bf\u03ba\u03b1\u03bb\u03b5\u03af \u03b1\u03bb\u03bb\u03b1\u03b3\u03ad\u03c2 \u03c3\u03b5 \u03bc\u03b9\u03b1 \u03ac\u03bb\u03bb\u03b7. \u0391\u03c0\u03bf\u03c6\u03cd\u03b3\u03b5\u03c4\u03b5 \u03bd\u03b1 \u03b2\u03b3\u03ac\u03b6\u03b5\u03c4\u03b5 \u03b2\u03b9\u03b1\u03c3\u03c4\u03b9\u03ba\u03ac \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03ac\u03c3\u03bc\u03b1\u03c4\u03b1 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b1\u03b9\u03c4\u03b9\u03ce\u03b4\u03b7 \u03c3\u03c5\u03bd\u03ac\u03c6\u03b5\u03b9\u03b1 \u03bc\u03b5 \u03b2\u03ac\u03c3\u03b7 \u03bc\u03cc\u03bd\u03bf \u03c4\u03b7 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7.<\/p>\n\n\n\n<p><strong>\u0391\u03b3\u03bd\u03bf\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b9\u03c2 \u03b1\u03ba\u03c1\u03b1\u03af\u03b5\u03c2 \u03c4\u03b9\u03bc\u03ad\u03c2:<\/strong> \u039f\u03b9 \u03b1\u03ba\u03c1\u03b1\u03af\u03b5\u03c2 \u03c4\u03b9\u03bc\u03ad\u03c2 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03b5\u03c0\u03b7\u03c1\u03b5\u03ac\u03c3\u03bf\u03c5\u03bd \u03b4\u03c5\u03c3\u03b1\u03bd\u03ac\u03bb\u03bf\u03b3\u03b1 \u03c4\u03bf\u03bd \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ae \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7\u03c2 Pearson, \u03bf\u03b4\u03b7\u03b3\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c3\u03b5 \u03c0\u03b1\u03c1\u03b1\u03c0\u03bb\u03b1\u03bd\u03b7\u03c4\u03b9\u03ba\u03ac \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03ad\u03c3\u03bc\u03b1\u03c4\u03b1. \u03a0\u03c1\u03bf\u03c3\u03b4\u03b9\u03bf\u03c1\u03af\u03c3\u03c4\u03b5 \u03ba\u03b1\u03b9 \u03b1\u03be\u03b9\u03bf\u03bb\u03bf\u03b3\u03ae\u03c3\u03c4\u03b5 \u03c4\u03bf\u03bd \u03b1\u03bd\u03c4\u03af\u03ba\u03c4\u03c5\u03c0\u03bf \u03c4\u03c9\u03bd \u03b1\u03ba\u03c1\u03b1\u03af\u03c9\u03bd \u03c4\u03b9\u03bc\u03ce\u03bd \u03c3\u03c4\u03b7\u03bd \u03b1\u03bd\u03ac\u03bb\u03c5\u03c3\u03ae \u03c3\u03b1\u03c2. \u039c\u03b5\u03c1\u03b9\u03ba\u03ad\u03c2 \u03c6\u03bf\u03c1\u03ad\u03c2, \u03b7 \u03b1\u03c6\u03b1\u03af\u03c1\u03b5\u03c3\u03b7 \u03ae \u03b7 \u03c0\u03c1\u03bf\u03c3\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae \u03c4\u03c9\u03bd \u03b1\u03ba\u03c1\u03b1\u03af\u03c9\u03bd \u03c4\u03b9\u03bc\u03ce\u03bd \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c0\u03b1\u03c1\u03ad\u03c7\u03b5\u03b9 \u03bc\u03b9\u03b1 \u03c3\u03b1\u03c6\u03ad\u03c3\u03c4\u03b5\u03c1\u03b7 \u03b5\u03b9\u03ba\u03cc\u03bd\u03b1 \u03c4\u03b7\u03c2 \u03c3\u03c7\u03ad\u03c3\u03b7\u03c2.<\/p>\n\n\n\n<p><strong>\u03a0\u03b1\u03c1\u03b5\u03c1\u03bc\u03b7\u03bd\u03b5\u03af\u03b1 \u03c4\u03b7\u03c2 \u03bc\u03b7\u03b4\u03b5\u03bd\u03b9\u03ba\u03ae\u03c2 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7\u03c2:<\/strong> \u039c\u03b9\u03b1 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7 Pearson \u03bc\u03b7\u03b4\u03ad\u03bd \u03c5\u03c0\u03bf\u03b4\u03b7\u03bb\u03ce\u03bd\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03b4\u03b5\u03bd \u03c5\u03c0\u03ac\u03c1\u03c7\u03b5\u03b9 \u03b3\u03c1\u03b1\u03bc\u03bc\u03b9\u03ba\u03ae \u03c3\u03c7\u03ad\u03c3\u03b7, \u03b1\u03bb\u03bb\u03ac \u03b4\u03b5\u03bd \u03c3\u03b7\u03bc\u03b1\u03af\u03bd\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03b4\u03b5\u03bd \u03c5\u03c0\u03ac\u03c1\u03c7\u03b5\u03b9 \u03ba\u03b1\u03b8\u03cc\u03bb\u03bf\u03c5 \u03c3\u03c7\u03ad\u03c3\u03b7. \u039f\u03b9 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ad\u03c2 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03b5\u03be\u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03bf\u03cd\u03bd \u03bd\u03b1 \u03c3\u03c7\u03b5\u03c4\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bc\u03b5 \u03bc\u03b7 \u03b3\u03c1\u03b1\u03bc\u03bc\u03b9\u03ba\u03cc \u03c4\u03c1\u03cc\u03c0\u03bf, \u03bf\u03c0\u03cc\u03c4\u03b5 \u03b5\u03be\u03b5\u03c4\u03ac\u03c3\u03c4\u03b5 \u03ac\u03bb\u03bb\u03b5\u03c2 \u03c3\u03c4\u03b1\u03c4\u03b9\u03c3\u03c4\u03b9\u03ba\u03ad\u03c2 \u03bc\u03b5\u03b8\u03cc\u03b4\u03bf\u03c5\u03c2 \u03b5\u03ac\u03bd \u03c5\u03c0\u03bf\u03c8\u03b9\u03ac\u03b6\u03b5\u03c3\u03c4\u03b5 \u03bc\u03b7 \u03b3\u03c1\u03b1\u03bc\u03bc\u03b9\u03ba\u03ae \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7.<\/p>\n\n\n\n<p><strong>\u03a3\u03cd\u03b3\u03c7\u03c5\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7\u03c2 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03b1\u03b9\u03c4\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1:<\/strong> \u039d\u03b1 \u03b8\u03c5\u03bc\u03ac\u03c3\u03c4\u03b5 \u03cc\u03c4\u03b9 \u03b7 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7 \u03b4\u03b5\u03bd \u03c3\u03c5\u03bd\u03b5\u03c0\u03ac\u03b3\u03b5\u03c4\u03b1\u03b9 \u03b1\u03b9\u03c4\u03b9\u03ce\u03b4\u03b7 \u03c3\u03c5\u03bd\u03ac\u03c6\u03b5\u03b9\u03b1. \u0394\u03cd\u03bf \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ad\u03c2 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03c3\u03c5\u03c3\u03c7\u03b5\u03c4\u03af\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03bb\u03cc\u03b3\u03c9 \u03c4\u03b7\u03c2 \u03b5\u03c0\u03b9\u03c1\u03c1\u03bf\u03ae\u03c2 \u03bc\u03b9\u03b1\u03c2 \u03c4\u03c1\u03af\u03c4\u03b7\u03c2, \u03bc\u03b7 \u03c0\u03b1\u03c1\u03b1\u03c4\u03b7\u03c1\u03bf\u03cd\u03bc\u03b5\u03bd\u03b7\u03c2 \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ae\u03c2. \u039d\u03b1 \u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03c4\u03b5 \u03c0\u03ac\u03bd\u03c4\u03b1 \u03c5\u03c0\u03cc\u03c8\u03b7 \u03c4\u03bf \u03b5\u03c5\u03c1\u03cd\u03c4\u03b5\u03c1\u03bf \u03c0\u03bb\u03b1\u03af\u03c3\u03b9\u03bf \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af\u03c4\u03b5 \u03c0\u03c1\u03cc\u03c3\u03b8\u03b5\u03c4\u03b5\u03c2 \u03bc\u03b5\u03b8\u03cc\u03b4\u03bf\u03c5\u03c2 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b4\u03b9\u03b5\u03c1\u03b5\u03c5\u03bd\u03ae\u03c3\u03b5\u03c4\u03b5 \u03c0\u03b9\u03b8\u03b1\u03bd\u03ad\u03c2 \u03b1\u03b9\u03c4\u03b9\u03ce\u03b4\u03b5\u03b9\u03c2 \u03c3\u03c7\u03ad\u03c3\u03b5\u03b9\u03c2.<\/p>\n\n\n\n<p><strong>\u03a0\u03b1\u03c1\u03b1\u03bc\u03ad\u03bb\u03b7\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03bc\u03b5\u03b3\u03ad\u03b8\u03bf\u03c5\u03c2 \u03c4\u03bf\u03c5 \u03b4\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03bf\u03c2:<\/strong> \u03a4\u03b1 \u03bc\u03b9\u03ba\u03c1\u03ac \u03bc\u03b5\u03b3\u03ad\u03b8\u03b7 \u03b4\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03bf\u03c2 \u03bc\u03c0\u03bf\u03c1\u03b5\u03af \u03bd\u03b1 \u03bf\u03b4\u03b7\u03b3\u03ae\u03c3\u03bf\u03c5\u03bd \u03c3\u03b5 \u03b1\u03c3\u03c4\u03b1\u03b8\u03b5\u03af\u03c2 \u03ba\u03b1\u03b9 \u03b1\u03bd\u03b1\u03be\u03b9\u03cc\u03c0\u03b9\u03c3\u03c4\u03b5\u03c2 \u03b5\u03ba\u03c4\u03b9\u03bc\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7\u03c2. \u0392\u03b5\u03b2\u03b1\u03b9\u03c9\u03b8\u03b5\u03af\u03c4\u03b5 \u03cc\u03c4\u03b9 \u03c4\u03bf \u03bc\u03ad\u03b3\u03b5\u03b8\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03b4\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03cc\u03c2 \u03c3\u03b1\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b5\u03c0\u03b1\u03c1\u03ba\u03ad\u03c2 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03c0\u03b1\u03c1\u03ad\u03c7\u03b5\u03b9 \u03ad\u03bd\u03b1 \u03b1\u03be\u03b9\u03cc\u03c0\u03b9\u03c3\u03c4\u03bf \u03bc\u03ad\u03c4\u03c1\u03bf \u03c4\u03b7\u03c2 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7\u03c2. \u03a4\u03b1 \u03bc\u03b5\u03b3\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b1 \u03b4\u03b5\u03af\u03b3\u03bc\u03b1\u03c4\u03b1 \u03c0\u03b1\u03c1\u03ad\u03c7\u03bf\u03c5\u03bd \u03b3\u03b5\u03bd\u03b9\u03ba\u03ac \u03c0\u03b9\u03bf \u03b1\u03ba\u03c1\u03b9\u03b2\u03b5\u03af\u03c2 \u03ba\u03b1\u03b9 \u03c3\u03c4\u03b1\u03b8\u03b5\u03c1\u03bf\u03cd\u03c2 \u03c3\u03c5\u03bd\u03c4\u03b5\u03bb\u03b5\u03c3\u03c4\u03ad\u03c2 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7\u03c2.<\/p>\n\n\n\n<h2><strong>\u0392\u03b1\u03c3\u03b9\u03ba\u03ac \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03ac\u03c3\u03bc\u03b1\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03b5\u03ba\u03c4\u03b9\u03bc\u03ae\u03c3\u03b5\u03b9\u03c2<\/strong><\/h2>\n\n\n\n<p>\u0397 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7 Pearson \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03b8\u03b5\u03bc\u03b5\u03bb\u03b9\u03ce\u03b4\u03b5\u03c2 \u03c3\u03c4\u03b1\u03c4\u03b9\u03c3\u03c4\u03b9\u03ba\u03cc \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03bf \u03c0\u03bf\u03c5 \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03b5\u03af\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03bc\u03ad\u03c4\u03c1\u03b7\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03b9\u03c3\u03c7\u03cd\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 \u03ba\u03b1\u03c4\u03b5\u03cd\u03b8\u03c5\u03bd\u03c3\u03b7\u03c2 \u03c4\u03c9\u03bd \u03b3\u03c1\u03b1\u03bc\u03bc\u03b9\u03ba\u03ce\u03bd \u03c3\u03c7\u03ad\u03c3\u03b5\u03c9\u03bd \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03b4\u03cd\u03bf \u03c3\u03c5\u03bd\u03b5\u03c7\u03ce\u03bd \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ce\u03bd. \u03a0\u03b1\u03c1\u03ad\u03c7\u03b5\u03b9 \u03c0\u03bf\u03bb\u03cd\u03c4\u03b9\u03bc\u03b5\u03c2 \u03c0\u03bb\u03b7\u03c1\u03bf\u03c6\u03bf\u03c1\u03af\u03b5\u03c2 \u03c3\u03b5 \u03b4\u03b9\u03ac\u03c6\u03bf\u03c1\u03bf\u03c5\u03c2 \u03c4\u03bf\u03bc\u03b5\u03af\u03c2, \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1 \u03ad\u03c9\u03c2 \u03c4\u03b7\u03bd \u03ba\u03b1\u03b8\u03b7\u03bc\u03b5\u03c1\u03b9\u03bd\u03ae \u03b6\u03c9\u03ae, \u03b2\u03bf\u03b7\u03b8\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c3\u03c4\u03bf\u03bd \u03b5\u03bd\u03c4\u03bf\u03c0\u03b9\u03c3\u03bc\u03cc \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03c0\u03bf\u03c3\u03bf\u03c4\u03b9\u03ba\u03bf\u03c0\u03bf\u03af\u03b7\u03c3\u03b7 \u03c4\u03c9\u03bd \u03c3\u03c7\u03ad\u03c3\u03b5\u03c9\u03bd \u03c3\u03c4\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1. \u0397 \u03ba\u03b1\u03c4\u03b1\u03bd\u03cc\u03b7\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03c4\u03c1\u03cc\u03c0\u03bf\u03c5 \u03bf\u03c1\u03b8\u03bf\u03cd \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03b9\u03c3\u03bc\u03bf\u03cd \u03ba\u03b1\u03b9 \u03b5\u03c1\u03bc\u03b7\u03bd\u03b5\u03af\u03b1\u03c2 \u03c4\u03b7\u03c2 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7\u03c2 Pearson \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03c3\u03c4\u03bf\u03c5\u03c2 \u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03c4\u03ad\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b1 \u03ac\u03c4\u03bf\u03bc\u03b1 \u03bd\u03b1 \u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03bf\u03c5\u03bd \u03c4\u03b5\u03ba\u03bc\u03b7\u03c1\u03b9\u03c9\u03bc\u03ad\u03bd\u03b5\u03c2 \u03b1\u03c0\u03bf\u03c6\u03ac\u03c3\u03b5\u03b9\u03c2 \u03bc\u03b5 \u03b2\u03ac\u03c3\u03b7 \u03c4\u03b7\u03bd \u03b9\u03c3\u03c7\u03cd \u03c4\u03c9\u03bd \u03c3\u03c5\u03c3\u03c7\u03b5\u03c4\u03af\u03c3\u03b5\u03c9\u03bd \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03bc\u03b5\u03c4\u03b1\u03b2\u03bb\u03b7\u03c4\u03ce\u03bd.<\/p>\n\n\n\n<p>\u03a9\u03c3\u03c4\u03cc\u03c3\u03bf, \u03b7 \u03b1\u03bd\u03b1\u03b3\u03bd\u03ce\u03c1\u03b9\u03c3\u03b7 \u03c4\u03c9\u03bd \u03c0\u03b5\u03c1\u03b9\u03bf\u03c1\u03b9\u03c3\u03bc\u03ce\u03bd \u03c4\u03b7\u03c2, \u03b9\u03b4\u03af\u03c9\u03c2 \u03b7 \u03b5\u03c3\u03c4\u03af\u03b1\u03c3\u03ae \u03c4\u03b7\u03c2 \u03c3\u03b5 \u03b3\u03c1\u03b1\u03bc\u03bc\u03b9\u03ba\u03ad\u03c2 \u03c3\u03c7\u03ad\u03c3\u03b5\u03b9\u03c2 \u03ba\u03b1\u03b9 \u03b7 \u03b5\u03c5\u03b1\u03b9\u03c3\u03b8\u03b7\u03c3\u03af\u03b1 \u03c3\u03b5 \u03b1\u03ba\u03c1\u03b1\u03af\u03b5\u03c2 \u03c4\u03b9\u03bc\u03ad\u03c2, \u03b5\u03af\u03bd\u03b1\u03b9 \u03b6\u03c9\u03c4\u03b9\u03ba\u03ae\u03c2 \u03c3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1\u03c2. \u0397 \u03c3\u03c9\u03c3\u03c4\u03ae \u03c0\u03c1\u03bf\u03b5\u03c4\u03bf\u03b9\u03bc\u03b1\u03c3\u03af\u03b1 \u03c4\u03c9\u03bd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd \u03ba\u03b1\u03b9 \u03b7 \u03b1\u03c0\u03bf\u03c6\u03c5\u03b3\u03ae \u03ba\u03bf\u03b9\u03bd\u03ce\u03bd \u03c0\u03b1\u03b3\u03af\u03b4\u03c9\u03bd -\u03cc\u03c0\u03c9\u03c2 \u03b7 \u03c3\u03cd\u03b3\u03c7\u03c5\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7\u03c2 \u03bc\u03b5 \u03c4\u03b7\u03bd \u03b1\u03b9\u03c4\u03b9\u03ce\u03b4\u03b7 \u03c3\u03c5\u03bd\u03ac\u03c6\u03b5\u03b9\u03b1- \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c0\u03b1\u03c1\u03b1\u03af\u03c4\u03b7\u03c4\u03b5\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03b7\u03bd \u03b1\u03ba\u03c1\u03b9\u03b2\u03ae \u03b1\u03bd\u03ac\u03bb\u03c5\u03c3\u03b7. \u0397 \u03ba\u03b1\u03c4\u03ac\u03bb\u03bb\u03b7\u03bb\u03b7 \u03c7\u03c1\u03ae\u03c3\u03b7 \u03c4\u03b7\u03c2 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7\u03c2 Pearson \u03ba\u03b1\u03b9 \u03b7 \u03c3\u03c5\u03bd\u03b5\u03ba\u03c4\u03af\u03bc\u03b7\u03c3\u03b7 \u03c4\u03c9\u03bd \u03c0\u03b5\u03c1\u03b9\u03bf\u03c1\u03b9\u03c3\u03bc\u03ce\u03bd \u03c4\u03b7\u03c2 \u03c3\u03b1\u03c2 \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b1\u03be\u03b9\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03b5\u03c4\u03b5 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ac \u03b1\u03c5\u03c4\u03cc \u03c4\u03bf \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03bf \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b1\u03c0\u03bf\u03ba\u03c4\u03ae\u03c3\u03b5\u03c4\u03b5 \u03c3\u03b7\u03bc\u03b1\u03bd\u03c4\u03b9\u03ba\u03ad\u03c2 \u03c0\u03bb\u03b7\u03c1\u03bf\u03c6\u03bf\u03c1\u03af\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03bb\u03ac\u03b2\u03b5\u03c4\u03b5 \u03ba\u03b1\u03bb\u03cd\u03c4\u03b5\u03c1\u03b5\u03c2 \u03b1\u03c0\u03bf\u03c6\u03ac\u03c3\u03b5\u03b9\u03c2.<\/p>\n\n\n\n<h2><strong>\u03a0\u03b5\u03c1\u03b9\u03b7\u03b3\u03b7\u03b8\u03b5\u03af\u03c4\u03b5 \u03c3\u03b5 75.000+ \u03b5\u03c0\u03b9\u03c3\u03c4\u03b7\u03bc\u03bf\u03bd\u03b9\u03ba\u03ac \u03b1\u03ba\u03c1\u03b9\u03b2\u03b5\u03af\u03c2 \u03b1\u03c0\u03b5\u03b9\u03ba\u03bf\u03bd\u03af\u03c3\u03b5\u03b9\u03c2 \u03c3\u03b5 80+ \u03b4\u03b7\u03bc\u03bf\u03c6\u03b9\u03bb\u03b5\u03af\u03c2 \u03c4\u03bf\u03bc\u03b5\u03af\u03c2<\/strong><\/h2>\n\n\n\n<p><a href=\"https:\/\/mindthegraph.com\/\">Mind the Graph <\/a>\u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03b9\u03c3\u03c7\u03c5\u03c1\u03cc \u03b5\u03c1\u03b3\u03b1\u03bb\u03b5\u03af\u03bf \u03c0\u03bf\u03c5 \u03ad\u03c7\u03b5\u03b9 \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03c4\u03b5\u03af \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b2\u03bf\u03b7\u03b8\u03ac \u03c4\u03bf\u03c5\u03c2 \u03b5\u03c0\u03b9\u03c3\u03c4\u03ae\u03bc\u03bf\u03bd\u03b5\u03c2 \u03c3\u03c4\u03b7\u03bd \u03bf\u03c0\u03c4\u03b9\u03ba\u03ae \u03b5\u03c0\u03b9\u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03af\u03b1 \u03c0\u03bf\u03bb\u03cd\u03c0\u03bb\u03bf\u03ba\u03c9\u03bd \u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03c4\u03b9\u03ba\u03ce\u03bd \u03b5\u03c5\u03c1\u03b7\u03bc\u03ac\u03c4\u03c9\u03bd. \u039c\u03b5 \u03c0\u03c1\u03cc\u03c3\u03b2\u03b1\u03c3\u03b7 \u03c3\u03b5 \u03c0\u03b5\u03c1\u03b9\u03c3\u03c3\u03cc\u03c4\u03b5\u03c1\u03b5\u03c2 \u03b1\u03c0\u03cc 75.000 \u03b5\u03c0\u03b9\u03c3\u03c4\u03b7\u03bc\u03bf\u03bd\u03b9\u03ba\u03ac \u03b1\u03ba\u03c1\u03b9\u03b2\u03b5\u03af\u03c2 \u03b1\u03c0\u03b5\u03b9\u03ba\u03bf\u03bd\u03af\u03c3\u03b5\u03b9\u03c2 \u03c3\u03b5 80+ \u03b4\u03b7\u03bc\u03bf\u03c6\u03b9\u03bb\u03b5\u03af\u03c2 \u03c4\u03bf\u03bc\u03b5\u03af\u03c2, \u03bf\u03b9 \u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03c4\u03ad\u03c2 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03b5\u03cd\u03ba\u03bf\u03bb\u03b1 \u03bd\u03b1 \u03b2\u03c1\u03bf\u03c5\u03bd \u03bf\u03c0\u03c4\u03b9\u03ba\u03ac \u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af\u03b1 \u03c0\u03bf\u03c5 \u03b2\u03b5\u03bb\u03c4\u03b9\u03ce\u03bd\u03bf\u03c5\u03bd \u03c4\u03b9\u03c2 \u03c0\u03b1\u03c1\u03bf\u03c5\u03c3\u03b9\u03ac\u03c3\u03b5\u03b9\u03c2, \u03c4\u03b1 \u03ad\u03b3\u03b3\u03c1\u03b1\u03c6\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03b5\u03ba\u03b8\u03ad\u03c3\u03b5\u03b9\u03c2 \u03c4\u03bf\u03c5\u03c2. \u03a4\u03bf \u03b5\u03c5\u03c1\u03cd \u03c6\u03ac\u03c3\u03bc\u03b1 \u03b5\u03b9\u03ba\u03bf\u03bd\u03bf\u03b3\u03c1\u03b1\u03c6\u03ae\u03c3\u03b5\u03c9\u03bd \u03c4\u03b7\u03c2 \u03c0\u03bb\u03b1\u03c4\u03c6\u03cc\u03c1\u03bc\u03b1\u03c2 \u03b4\u03b9\u03b1\u03c3\u03c6\u03b1\u03bb\u03af\u03b6\u03b5\u03b9 \u03cc\u03c4\u03b9 \u03bf\u03b9 \u03b5\u03c0\u03b9\u03c3\u03c4\u03ae\u03bc\u03bf\u03bd\u03b5\u03c2 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03b4\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03ae\u03c3\u03bf\u03c5\u03bd \u03c3\u03b1\u03c6\u03b5\u03af\u03c2, \u03b5\u03bb\u03ba\u03c5\u03c3\u03c4\u03b9\u03ba\u03ad\u03c2 \u03bf\u03c0\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b1\u03c0\u03b5\u03b9\u03ba\u03bf\u03bd\u03af\u03c3\u03b5\u03b9\u03c2 \u03c0\u03c1\u03bf\u03c3\u03b1\u03c1\u03bc\u03bf\u03c3\u03bc\u03ad\u03bd\u03b5\u03c2 \u03c3\u03c4\u03bf\u03bd \u03c3\u03c5\u03b3\u03ba\u03b5\u03ba\u03c1\u03b9\u03bc\u03ad\u03bd\u03bf \u03c4\u03bf\u03bc\u03ad\u03b1 \u03bc\u03b5\u03bb\u03ad\u03c4\u03b7\u03c2 \u03c4\u03bf\u03c5\u03c2, \u03b5\u03af\u03c4\u03b5 \u03c0\u03c1\u03cc\u03ba\u03b5\u03b9\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03c4\u03b7 \u03b2\u03b9\u03bf\u03bb\u03bf\u03b3\u03af\u03b1, \u03c4\u03b7 \u03c7\u03b7\u03bc\u03b5\u03af\u03b1, \u03c4\u03b7\u03bd \u03b9\u03b1\u03c4\u03c1\u03b9\u03ba\u03ae \u03ae \u03ac\u03bb\u03bb\u03bf\u03c5\u03c2 \u03ba\u03bb\u03ac\u03b4\u03bf\u03c5\u03c2. \u0391\u03c5\u03c4\u03ae \u03b7 \u03c4\u03b5\u03c1\u03ac\u03c3\u03c4\u03b9\u03b1 \u03b2\u03b9\u03b2\u03bb\u03b9\u03bf\u03b8\u03ae\u03ba\u03b7 \u03cc\u03c7\u03b9 \u03bc\u03cc\u03bd\u03bf \u03b5\u03be\u03bf\u03b9\u03ba\u03bf\u03bd\u03bf\u03bc\u03b5\u03af \u03c7\u03c1\u03cc\u03bd\u03bf, \u03b1\u03bb\u03bb\u03ac \u03b5\u03c0\u03b9\u03c4\u03c1\u03ad\u03c0\u03b5\u03b9 \u03b5\u03c0\u03af\u03c3\u03b7\u03c2 \u03c4\u03b7\u03bd \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03b1\u03c4\u03b9\u03ba\u03cc\u03c4\u03b5\u03c1\u03b7 \u03b5\u03c0\u03b9\u03ba\u03bf\u03b9\u03bd\u03c9\u03bd\u03af\u03b1 \u03c4\u03c9\u03bd \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03c9\u03bd, \u03ba\u03b1\u03b8\u03b9\u03c3\u03c4\u03ce\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b9\u03c2 \u03b5\u03c0\u03b9\u03c3\u03c4\u03b7\u03bc\u03bf\u03bd\u03b9\u03ba\u03ad\u03c2 \u03c0\u03bb\u03b7\u03c1\u03bf\u03c6\u03bf\u03c1\u03af\u03b5\u03c2 \u03c0\u03c1\u03bf\u03c3\u03b9\u03c4\u03ad\u03c2 \u03ba\u03b1\u03b9 \u03ba\u03b1\u03c4\u03b1\u03bd\u03bf\u03b7\u03c4\u03ad\u03c2 \u03c4\u03cc\u03c3\u03bf \u03c3\u03c4\u03bf\u03c5\u03c2 \u03b5\u03b9\u03b4\u03b9\u03ba\u03bf\u03cd\u03c2 \u03cc\u03c3\u03bf \u03ba\u03b1\u03b9 \u03c3\u03c4\u03bf \u03b5\u03c5\u03c1\u03cd \u03ba\u03bf\u03b9\u03bd\u03cc.<\/p>\n\n\n\n<div class=\"is-layout-flex wp-block-buttons\">\n<div class=\"wp-block-button aligncenter\"><a class=\"wp-block-button__link has-background wp-element-button\" href=\"https:\/\/mindthegraph.com\/science-figures\/?utm_source=blog&amp;utm_medium=cta-final&amp;utm_campaign=conversion\" style=\"background-color:#7833ff\"><strong>\u0395\u03b3\u03b3\u03c1\u03b1\u03c6\u03b5\u03af\u03c4\u03b5 \u03b4\u03c9\u03c1\u03b5\u03ac\u03bd<\/strong><\/a><\/div>\n<\/div>\n\n\n\n<div style=\"height:46px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"1362\" height=\"900\" src=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/09\/mtg-80-plus-fields.gif\" alt=\"&quot;\u039a\u03b9\u03bd\u03bf\u03cd\u03bc\u03b5\u03bd\u03bf GIF \u03c0\u03bf\u03c5 \u03b4\u03b5\u03af\u03c7\u03bd\u03b5\u03b9 \u03c0\u03ac\u03bd\u03c9 \u03b1\u03c0\u03cc 80 \u03b5\u03c0\u03b9\u03c3\u03c4\u03b7\u03bc\u03bf\u03bd\u03b9\u03ba\u03ac \u03c0\u03b5\u03b4\u03af\u03b1 \u03c0\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03b4\u03b9\u03b1\u03b8\u03ad\u03c3\u03b9\u03bc\u03b1 \u03c3\u03c4\u03bf Mind the Graph, \u03c3\u03c5\u03bc\u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03b1\u03bd\u03bf\u03bc\u03ad\u03bd\u03b7\u03c2 \u03c4\u03b7\u03c2 \u03b2\u03b9\u03bf\u03bb\u03bf\u03b3\u03af\u03b1\u03c2, \u03c4\u03b7\u03c2 \u03c7\u03b7\u03bc\u03b5\u03af\u03b1\u03c2, \u03c4\u03b7\u03c2 \u03c6\u03c5\u03c3\u03b9\u03ba\u03ae\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03c2 \u03b9\u03b1\u03c4\u03c1\u03b9\u03ba\u03ae\u03c2, \u03ba\u03b1\u03c4\u03b1\u03b4\u03b5\u03b9\u03ba\u03bd\u03cd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b7\u03bd \u03b5\u03c5\u03b5\u03bb\u03b9\u03be\u03af\u03b1 \u03c4\u03b7\u03c2 \u03c0\u03bb\u03b1\u03c4\u03c6\u03cc\u03c1\u03bc\u03b1\u03c2 \u03b3\u03b9\u03b1 \u03c4\u03bf\u03c5\u03c2 \u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03c4\u03ad\u03c2.&quot;\" class=\"wp-image-29586\"\/><figcaption class=\"wp-element-caption\">\u039a\u03b9\u03bd\u03bf\u03cd\u03bc\u03b5\u03bd\u03bf GIF \u03c0\u03bf\u03c5 \u03c0\u03b1\u03c1\u03bf\u03c5\u03c3\u03b9\u03ac\u03b6\u03b5\u03b9 \u03c4\u03bf \u03b5\u03c5\u03c1\u03cd \u03c6\u03ac\u03c3\u03bc\u03b1 \u03b5\u03c0\u03b9\u03c3\u03c4\u03b7\u03bc\u03bf\u03bd\u03b9\u03ba\u03ce\u03bd \u03c0\u03b5\u03b4\u03af\u03c9\u03bd \u03c0\u03bf\u03c5 \u03ba\u03b1\u03bb\u03cd\u03c0\u03c4\u03b5\u03b9 \u03c4\u03bf Mind the Graph.<\/figcaption><\/figure>","protected":false},"excerpt":{"rendered":"<p>\u039a\u03b1\u03c4\u03b1\u03bd\u03cc\u03b7\u03c3\u03b7 \u03c4\u03c9\u03bd \u03b2\u03b1\u03c3\u03b9\u03ba\u03ce\u03bd \u03c3\u03b7\u03bc\u03b5\u03af\u03c9\u03bd \u03c3\u03c7\u03b5\u03c4\u03b9\u03ba\u03ac \u03bc\u03b5 \u03c4\u03b7 \u03c3\u03c5\u03c3\u03c7\u03ad\u03c4\u03b9\u03c3\u03b7 Pearson \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae \u03c4\u03b7\u03c2 \u03c3\u03b5 \u03b4\u03b9\u03ac\u03c6\u03bf\u03c1\u03b5\u03c2 \u03ba\u03b1\u03c4\u03b1\u03c3\u03c4\u03ac\u03c3\u03b5\u03b9\u03c2.<\/p>","protected":false},"author":35,"featured_media":55630,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[961,977,28],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Pearson Correlation: Understanding the Math Behind Relationships - Mind the Graph Blog<\/title>\n<meta name=\"description\" content=\"Understand the key points about Pearson correlation and its applicability in various situations.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mindthegraph.com\/blog\/el\/pearson-correlation\/\" \/>\n<meta property=\"og:locale\" content=\"el_GR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pearson Correlation: Understanding the Math Behind Relationships - Mind the Graph Blog\" \/>\n<meta property=\"og:description\" content=\"Understand the key points about Pearson correlation and its applicability in various situations.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/mindthegraph.com\/blog\/el\/pearson-correlation\/\" \/>\n<meta property=\"og:site_name\" content=\"Mind the Graph Blog\" \/>\n<meta property=\"article:published_time\" content=\"2024-10-21T15:45:05+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-10-21T15:45:07+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2024\/10\/pearson_correlation.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1123\" \/>\n\t<meta property=\"og:image:height\" content=\"612\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Ang\u00e9lica Salom\u00e3o\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Ang\u00e9lica Salom\u00e3o\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"13 minutes\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Pearson Correlation: Understanding the Math Behind Relationships - Mind the Graph Blog","description":"Understand the key points about Pearson correlation and its applicability in various situations.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/mindthegraph.com\/blog\/el\/pearson-correlation\/","og_locale":"el_GR","og_type":"article","og_title":"Pearson Correlation: Understanding the Math Behind Relationships - Mind the Graph Blog","og_description":"Understand the key points about Pearson correlation and its applicability in various situations.","og_url":"https:\/\/mindthegraph.com\/blog\/el\/pearson-correlation\/","og_site_name":"Mind the Graph Blog","article_published_time":"2024-10-21T15:45:05+00:00","article_modified_time":"2024-10-21T15:45:07+00:00","og_image":[{"width":1123,"height":612,"url":"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2024\/10\/pearson_correlation.png","type":"image\/png"}],"author":"Ang\u00e9lica Salom\u00e3o","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Ang\u00e9lica Salom\u00e3o","Est. reading time":"13 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/mindthegraph.com\/blog\/pearson-correlation\/","url":"https:\/\/mindthegraph.com\/blog\/pearson-correlation\/","name":"Pearson Correlation: Understanding the Math Behind Relationships - Mind the Graph Blog","isPartOf":{"@id":"https:\/\/mindthegraph.com\/blog\/#website"},"datePublished":"2024-10-21T15:45:05+00:00","dateModified":"2024-10-21T15:45:07+00:00","author":{"@id":"https:\/\/mindthegraph.com\/blog\/#\/schema\/person\/542e3620319366708346388407c01c0a"},"description":"Understand the key points about Pearson correlation and its applicability in various situations.","breadcrumb":{"@id":"https:\/\/mindthegraph.com\/blog\/pearson-correlation\/#breadcrumb"},"inLanguage":"el","potentialAction":[{"@type":"ReadAction","target":["https:\/\/mindthegraph.com\/blog\/pearson-correlation\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/mindthegraph.com\/blog\/pearson-correlation\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/mindthegraph.com\/blog\/"},{"@type":"ListItem","position":2,"name":"Pearson Correlation: Understanding the Math Behind Relationships"}]},{"@type":"WebSite","@id":"https:\/\/mindthegraph.com\/blog\/#website","url":"https:\/\/mindthegraph.com\/blog\/","name":"Mind the Graph Blog","description":"Your science can be beautiful!","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/mindthegraph.com\/blog\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"el"},{"@type":"Person","@id":"https:\/\/mindthegraph.com\/blog\/#\/schema\/person\/542e3620319366708346388407c01c0a","name":"Ang\u00e9lica Salom\u00e3o","image":{"@type":"ImageObject","inLanguage":"el","@id":"https:\/\/mindthegraph.com\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/a59218eda57fb51e0d7aea836e593cd1?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/a59218eda57fb51e0d7aea836e593cd1?s=96&d=mm&r=g","caption":"Ang\u00e9lica Salom\u00e3o"},"url":"https:\/\/mindthegraph.com\/blog\/el\/author\/angelica\/"}]}},"_links":{"self":[{"href":"https:\/\/mindthegraph.com\/blog\/el\/wp-json\/wp\/v2\/posts\/55628"}],"collection":[{"href":"https:\/\/mindthegraph.com\/blog\/el\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mindthegraph.com\/blog\/el\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/el\/wp-json\/wp\/v2\/users\/35"}],"replies":[{"embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/el\/wp-json\/wp\/v2\/comments?post=55628"}],"version-history":[{"count":4,"href":"https:\/\/mindthegraph.com\/blog\/el\/wp-json\/wp\/v2\/posts\/55628\/revisions"}],"predecessor-version":[{"id":55636,"href":"https:\/\/mindthegraph.com\/blog\/el\/wp-json\/wp\/v2\/posts\/55628\/revisions\/55636"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/el\/wp-json\/wp\/v2\/media\/55630"}],"wp:attachment":[{"href":"https:\/\/mindthegraph.com\/blog\/el\/wp-json\/wp\/v2\/media?parent=55628"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/el\/wp-json\/wp\/v2\/categories?post=55628"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/el\/wp-json\/wp\/v2\/tags?post=55628"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}