{"id":55890,"date":"2025-02-03T11:32:06","date_gmt":"2025-02-03T14:32:06","guid":{"rendered":"https:\/\/mindthegraph.com\/blog\/?p=55890"},"modified":"2025-02-14T11:53:59","modified_gmt":"2025-02-14T14:53:59","slug":"misclassification-bias","status":"publish","type":"post","link":"https:\/\/mindthegraph.com\/blog\/lv\/misclassification-bias\/","title":{"rendered":"K\u013c\u016bdaina klasific\u0113\u0161ana: k\u013c\u016bdu samazin\u0101\u0161ana datu anal\u012bz\u0113"},"content":{"rendered":"<p>Datu anal\u012bz\u0113 precizit\u0101te ir vissvar\u012bg\u0101kais. Nepareiza klasifik\u0101cijas novirze ir smalka, bet \u013coti svar\u012bga datu anal\u012bzes probl\u0113ma, kas var apdraud\u0113t p\u0113t\u012bjumu precizit\u0101ti un novest pie k\u013c\u016bdainiem secin\u0101jumiem. \u0160aj\u0101 rakst\u0101 apl\u016bkots, kas ir nepareizas klasifik\u0101cijas novirze, t\u0101s ietekme re\u0101laj\u0101 pasaul\u0113 un praktiskas strat\u0113\u0123ijas t\u0101s ietekmes mazin\u0101\u0161anai. Neprec\u012bza datu klasific\u0113\u0161ana var novest pie k\u013c\u016bdainiem secin\u0101jumiem un kompromit\u0113jo\u0161\u0101m atzi\u0146\u0101m. Turpm\u0101k m\u0113s izp\u0113t\u012bsim, kas ir nepareizas klasific\u0113\u0161anas novirze, k\u0101 t\u0101 ietekm\u0113 anal\u012bzi un k\u0101 samazin\u0101t \u0161\u012bs k\u013c\u016bdas, lai nodro\u0161in\u0101tu ticamus rezult\u0101tus.<\/p>\n\n\n\n<h2>Izpratne par nepareizas klasifik\u0101cijas neobjektivit\u0101tes noz\u012bmi p\u0113tniec\u012bb\u0101<\/h2>\n\n\n\n<p>K\u013c\u016bdaina klasifik\u0101cijas novirze rodas tad, ja datu punkti, piem\u0113ram, indiv\u012bdi, iedarb\u012bba vai rezult\u0101ti, tiek neprec\u012bzi klasific\u0113ti, k\u0101 rezult\u0101t\u0101 p\u0113t\u012bjumos tiek izdar\u012bti maldino\u0161i secin\u0101jumi. Izprotot nepareizas klasifik\u0101cijas novirzes nianses, p\u0113tnieki var veikt pas\u0101kumus, lai uzlabotu datu ticam\u012bbu un p\u0113t\u012bjumu visp\u0101r\u0113jo der\u012bgumu. T\u0101 k\u0101 analiz\u0113jamie dati neatspogu\u013co paties\u0101s v\u0113rt\u012bbas, \u0161\u012b k\u013c\u016bda var novest pie neprec\u012bziem vai maldino\u0161iem rezult\u0101tiem. Nepareiza klasifik\u0101cijas novirze rodas, ja dal\u012bbnieki vai main\u012bgie tiek iedal\u012bti kategorij\u0101s (piem\u0113ram, pak\u013cauti un nepak\u013cauti iedarb\u012bbai vai slimi un veseli). T\u0101 noved pie nepareiziem secin\u0101jumiem, ja dal\u012bbnieki ir nepareizi klasific\u0113ti, jo izkrop\u013co attiec\u012bbas starp main\u012bgajiem.<\/p>\n\n\n\n<p>Iesp\u0113jams, ka medic\u012bnisk\u0101 p\u0113t\u012bjum\u0101, kur\u0101 tiek p\u0113t\u012bta jaunu z\u0101\u013cu iedarb\u012bba, rezult\u0101ti tiks izkrop\u013coti, ja da\u017ei pacienti, kuri faktiski lieto z\u0101les, tiks klasific\u0113ti k\u0101 \"nelietojo\u0161i z\u0101les\" vai otr\u0101di.<\/p>\n\n\n\n<h3>Nepareizas klasifik\u0101cijas neobjektivit\u0101tes veidi un to ietekme<\/h3>\n\n\n\n<p>K\u013c\u016bdaina klasific\u0113\u0161ana var izpausties k\u0101 diferenci\u0101las vai nediferenc\u0113tas k\u013c\u016bdas, un katra no t\u0101m at\u0161\u0137ir\u012bgi ietekm\u0113 p\u0113t\u012bjumu rezult\u0101tus.<\/p>\n\n\n\n<h4>1. Diferenci\u0101la nepareiza klasifik\u0101cija<\/h4>\n\n\n\n<p>Ja nepareizas klasifik\u0101cijas r\u0101d\u012bt\u0101ji at\u0161\u0137iras da\u017e\u0101d\u0101s p\u0113t\u012bjuma grup\u0101s (piem\u0113ram, ekspoz\u012bcijas un neekspoz\u012bcijas grupas vai gad\u012bjumi un kontroles grupas), tas notiek. Klasifik\u0101cijas k\u013c\u016bdas at\u0161\u0137iras atkar\u012bb\u0101 no t\u0101, kurai grupai pieder dal\u012bbnieks, un t\u0101s nav nejau\u0161as.<\/p>\n\n\n\n<p>Ja aptauj\u0101 par sm\u0113\u0137\u0113\u0161anas paradumiem un plau\u0161u v\u0113zi cilv\u0113ki, kas slimo ar plau\u0161u v\u0113zi, soci\u0101l\u0101s stigmas vai atmi\u0146as probl\u0113mu d\u0113\u013c bie\u017e\u0101k sniedz nepareizu inform\u0101ciju par sm\u0113\u0137\u0113\u0161anas statusu, to uzskat\u012btu par at\u0161\u0137ir\u012bgu nepareizu klasific\u0113\u0161anu. K\u013c\u016bdu veicina gan slim\u012bbas statuss (plau\u0161u v\u0113zis), gan iedarb\u012bba (sm\u0113\u0137\u0113\u0161ana).<\/p>\n\n\n\n<figure class=\"wp-block-image alignwide size-full\"><a href=\"https:\/\/mindthegraph.com\/poster-maker\/?utm_source=blog&amp;utm_medium=banners&amp;utm_campaign=conversion\"><img decoding=\"async\" loading=\"lazy\" width=\"651\" height=\"174\" src=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2024\/06\/mind-the-graph.png\" alt=\"&quot;Mind the Graph rekl\u0101mas baneris, kur\u0101 teikts: &quot;Ar Mind the Graph bez piep\u016bles radiet zin\u0101tniskas ilustr\u0101cijas,&quot; uzsverot platformas lieto\u0161anas \u0113rtumu.&quot;\" class=\"wp-image-54656\" srcset=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2024\/06\/mind-the-graph.png 651w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2024\/06\/mind-the-graph-300x80.png 300w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2024\/06\/mind-the-graph-18x5.png 18w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2024\/06\/mind-the-graph-100x27.png 100w\" sizes=\"(max-width: 651px) 100vw, 651px\" \/><\/a><figcaption class=\"wp-element-caption\">Bez piep\u016bles veidojiet zin\u0101tniskas ilustr\u0101cijas, izmantojot <a href=\"https:\/\/mindthegraph.com\/poster-maker\/?utm_source=blog&amp;utm_medium=banners&amp;utm_campaign=conversion\">Mind the Graph<\/a>.<\/figcaption><\/figure>\n\n\n\n<p>Bie\u017ei vien at\u0161\u0137ir\u012bgas nepareizas klasifik\u0101cijas rezult\u0101t\u0101 rodas novirze no nulles hipot\u0113zes vai novirze no t\u0101s. T\u0101d\u0113\u013c rezult\u0101ti var p\u0101rsp\u012bl\u0113t vai nepietiekami nov\u0113rt\u0113t patieso saist\u012bbu starp iedarb\u012bbu un izn\u0101kumu.<\/p>\n\n\n\n<h4>2. Nediferenc\u0113ta nepareiza klasifik\u0101cija<\/h4>\n\n\n\n<p>Nediferenc\u0113ta nepareiza klasifik\u0101cija notiek tad, ja nepareizas klasifik\u0101cijas k\u013c\u016bda ir vien\u0101da vis\u0101m grup\u0101m. Rezult\u0101t\u0101 k\u013c\u016bdas ir nejau\u0161as, un nepareiza klasifik\u0101cija nav atkar\u012bga no iedarb\u012bbas vai izn\u0101kuma.<\/p>\n\n\n\n<p>Ja liela m\u0113roga epidemiolo\u0123isk\u0101 p\u0113t\u012bjum\u0101 gan saslimu\u0161ie (cilv\u0113ki ar slim\u012bbu), gan kontroles grupas (veselas personas) nepareizi zi\u0146o par savu uzturu, to sauc par nediferenc\u0113tu nepareizu klasific\u0113\u0161anu. Neatkar\u012bgi no t\u0101, vai dal\u012bbniekiem ir slim\u012bba vai nav, k\u013c\u016bda ir vien\u0101di sadal\u012bta starp grup\u0101m.<\/p>\n\n\n\n<p>Parasti nulles hipot\u0113zi atbalsta nediferenc\u0113ta nepareiza klasifik\u0101cija. T\u0101p\u0113c jebk\u0101du re\u0101lu ietekmi vai at\u0161\u0137ir\u012bbu ir gr\u016bt\u0101k noteikt, jo main\u012bgo saist\u012bba ir v\u0101jin\u0101ta. Iesp\u0113jams, ka p\u0113t\u012bjum\u0101 var tikt izdar\u012bts nepareizs secin\u0101jums, ka starp main\u012bgajiem nepast\u0101v noz\u012bm\u012bga saist\u012bba, lai gan paties\u012bb\u0101 t\u0101da past\u0101v.<\/p>\n\n\n\n<h3>K\u013c\u016bdainas klasifik\u0101cijas neobjektivit\u0101tes ietekme re\u0101laj\u0101 dz\u012bv\u0113<\/h3>\n\n\n\n<ul>\n<li><strong>Medic\u012bnas studijas:<\/strong> Ja p\u0113t\u012bjumos par jaunas \u0101rst\u0113\u0161anas iedarb\u012bbu pacienti, kas nesa\u0146em \u0101rst\u0113\u0161anu, tiek k\u013c\u016bdaini re\u0123istr\u0113ti k\u0101 pacienti, kas to sa\u0146\u0113mu\u0161i, \u0101rst\u0113\u0161anas efektivit\u0101te var tikt nepareizi atspogu\u013cota. Ar\u012b diagnostikas k\u013c\u016bdas var izkrop\u013cot rezult\u0101tus, ja cilv\u0113kam tiek k\u013c\u016bdaini diagnostic\u0113ta slim\u012bba.<\/li>\n<\/ul>\n\n\n\n<ul>\n<li><strong>Epidemiolo\u0123iskie apsekojumi:<\/strong> Apsekojumos, kuros nov\u0113rt\u0113 b\u012bstamu vielu iedarb\u012bbu, dal\u012bbnieki var neprec\u012bzi atcer\u0113ties vai zi\u0146ot par iedarb\u012bbas l\u012bmeni. Ja azbesta iedarb\u012bbai pak\u013cautie darba \u0146\u0113m\u0113ji sniedz nepietiekamu inform\u0101ciju par savu iedarb\u012bbu, tas var izrais\u012bt nepareizu klasifik\u0101ciju, mainot priek\u0161statu par azbesta rad\u012bto slim\u012bbu risku.<\/li>\n<\/ul>\n\n\n\n<ul>\n<li><strong>Sabiedr\u012bbas vesel\u012bbas p\u0113t\u012bjumi:<\/strong> P\u0113tot saist\u012bbu starp alkohola lieto\u0161anu un aknu slim\u012bb\u0101m, dal\u012bbnieki, kuri lieto daudz alkohola, tiktu klasific\u0113ti k\u0101 m\u0113reni dz\u0113r\u0101ji, ja vi\u0146i par savu alkohola pat\u0113ri\u0146u zi\u0146otu p\u0101r\u0101k maz. \u0160\u0101da nepareiza klasifik\u0101cija var\u0113tu v\u0101jin\u0101t nov\u0113roto saist\u012bbu starp stipru alkohola lieto\u0161anu un aknu slim\u012bb\u0101m.<\/li>\n<\/ul>\n\n\n\n<p>Lai samazin\u0101tu nepareizas klasifik\u0101cijas novirzes ietekmi, p\u0113tniekiem ir j\u0101izprot t\u0101s veids un b\u016bt\u012bba. P\u0113t\u012bjumi b\u016bs prec\u012bz\u0101ki, ja tajos tiks apzin\u0101ta \u0161o k\u013c\u016bdu iesp\u0113jam\u012bba neatkar\u012bgi no t\u0101, vai t\u0101s ir diferenc\u0113tas vai nediferenc\u0113tas.<\/p>\n\n\n\n<h2>Nepareizas klasifik\u0101cijas neobjektivit\u0101tes ietekme uz datu precizit\u0101ti<\/h2>\n\n\n\n<p>K\u013c\u016bdaina klasifik\u0101cijas novirze krop\u013co datu precizit\u0101ti, ievie\u0161ot k\u013c\u016bdas main\u012bgo klasifik\u0101cij\u0101, apdraudot p\u0113t\u012bjumu rezult\u0101tu der\u012bgumu un ticam\u012bbu. Dati, kas prec\u012bzi neatspogu\u013co m\u0113r\u0101m\u0101 patieso st\u0101vokli, var novest pie neprec\u012bziem secin\u0101jumiem. Ja main\u012bgie lielumi tiek klasific\u0113ti nepareizi, tos iek\u013caujot nepareiz\u0101 kategorij\u0101 vai nepareizi identific\u0113jot gad\u012bjumus, tas var novest pie k\u013c\u016bdain\u0101m datu kop\u0101m, kas apdraud p\u0113t\u012bjuma visp\u0101r\u0113jo der\u012bgumu un ticam\u012bbu.<\/p>\n\n\n\n<h3>Ietekme uz p\u0113t\u012bjuma rezult\u0101tu der\u012bgumu un ticam\u012bbu<\/h3>\n\n\n\n<p>P\u0113t\u012bjuma der\u012bgumu apdraud nepareizas klasifik\u0101cijas novirze, jo t\u0101 izkrop\u013co attiec\u012bbas starp main\u012bgajiem. Piem\u0113ram, epidemiolo\u0123iskajos p\u0113t\u012bjumos, kuros p\u0113tnieki nov\u0113rt\u0113 saist\u012bbu starp iedarb\u012bbu un slim\u012bbu, ja personas tiek nepareizi klasific\u0113tas k\u0101 pak\u013cautas iedarb\u012bbai, lai gan t\u0101s nav biju\u0161as pak\u013cautas, vai otr\u0101di, p\u0113t\u012bjums neatspogu\u013co patieso saist\u012bbu. Tas noved pie k\u013c\u016bdainiem secin\u0101jumiem un v\u0101jina p\u0113t\u012bjuma secin\u0101jumus.<\/p>\n\n\n\n<p>K\u013c\u016bdaina klasifik\u0101cijas novirze var ietekm\u0113t ar\u012b ticam\u012bbu jeb rezult\u0101tu konsekvenci, atk\u0101rtojot tos pa\u0161os apst\u0101k\u013cos. Veicot vienu un to pa\u0161u p\u0113t\u012bjumu ar vienu un to pa\u0161u pieeju, var ieg\u016bt \u013coti at\u0161\u0137ir\u012bgus rezult\u0101tus, ja ir augsts nepareizas klasifik\u0101cijas l\u012bmenis. Zin\u0101tnisko p\u0113t\u012bjumu pamat\u0101 ir uzticam\u012bba un reproduc\u0113jam\u012bba, kas ir b\u016btiski p\u012bl\u0101ri.<\/p>\n\n\n\n<h3>Nepareiza klasifik\u0101cija var novest pie sagroz\u012btiem secin\u0101jumiem<\/h3>\n\n\n\n<ol>\n<li><strong>Medic\u012bniskie p\u0113t\u012bjumi: <\/strong>Ja kl\u012bniskaj\u0101 p\u0113t\u012bjum\u0101, kur\u0101 p\u0101rbauda jaunu z\u0101\u013cu efektivit\u0101ti, pacienti tiek klasific\u0113ti nepareizi attiec\u012bb\u0101 uz vi\u0146u vesel\u012bbas st\u0101vokli (piem\u0113ram, slims pacients tiek klasific\u0113ts k\u0101 vesels vai otr\u0101di), rezult\u0101ti var k\u013c\u016bdaini liecin\u0101t, ka z\u0101les ir vair\u0101k vai maz\u0101k efekt\u012bvas, nek\u0101 t\u0101s ir paties\u012bb\u0101. Nepareizs ieteikums par z\u0101\u013cu lieto\u0161anu vai efektivit\u0101ti var novest pie kait\u012bgiem vesel\u012bbas rezult\u0101tiem vai potenci\u0101li dz\u012bv\u012bbu gl\u0101bjo\u0161as terapijas noraid\u012b\u0161anas.<\/li>\n<\/ol>\n\n\n\n<ol start=\"2\">\n<li><strong>Apsekojuma p\u0113t\u012bjumi:<\/strong> Soci\u0101lo zin\u0101t\u0146u p\u0113t\u012bjumos, jo \u012bpa\u0161i aptauj\u0101s, ja dal\u012bbnieki tiek klasific\u0113ti nepareizi pa\u0161nov\u0113rt\u0113juma k\u013c\u016bdu d\u0113\u013c (piem\u0113ram, nepareizi nor\u0101dot ien\u0101kumus, vecumu vai izgl\u012bt\u012bbas l\u012bmeni), rezult\u0101ti var rad\u012bt izkrop\u013cotus secin\u0101jumus par sabiedr\u012bbas tendenc\u0113m. Iesp\u0113jams, ka k\u013c\u016bdaini dati var ietekm\u0113t politiskus l\u0113mumus, ja p\u0113t\u012bjum\u0101 personas ar zemiem ien\u0101kumiem tiek nepareizi klasific\u0113tas k\u0101 personas ar vid\u0113jiem ien\u0101kumiem.<\/li>\n<\/ol>\n\n\n\n<ol start=\"3\">\n<li><strong>Epidemiolo\u0123iskie p\u0113t\u012bjumi:<\/strong> Sabiedr\u012bbas vesel\u012bbas jom\u0101 nepareiza slim\u012bbu vai iedarb\u012bbas statusa klasifik\u0101cija var b\u016btiski main\u012bt p\u0113t\u012bjumu rezult\u0101tus. Nepareizi klasific\u0113jot indiv\u012bdus k\u0101 slimniekus ar k\u0101du slim\u012bbu, tiek p\u0101rv\u0113rt\u0113ta \u0161\u012bs slim\u012bbas izplat\u012bba. L\u012bdz\u012bga probl\u0113ma var rasties, ja riska faktora iedarb\u012bba nav pareizi identific\u0113ta, k\u0101 rezult\u0101t\u0101 ar \u0161o faktoru saist\u012btais risks tiek nov\u0113rt\u0113ts p\u0101r\u0101k zemu.<\/li>\n<\/ol>\n\n\n\n<h2>Nepareizas klasifik\u0101cijas neobjektivit\u0101tes c\u0113lo\u0146i<\/h2>\n\n\n\n<p>Dati vai subjekti tiek klasific\u0113ti nepareizi, ja tie tiek iedal\u012bti nepareiz\u0101s grup\u0101s vai apz\u012bm\u0113ti nepareizi. \u0160o neprecizit\u0101\u0161u c\u0113lo\u0146i ir cilv\u0113ciskas k\u013c\u016bdas, nepareiza kategoriju izpratne un k\u013c\u016bdainu m\u0113r\u012b\u0161anas r\u012bku izmanto\u0161ana. \u0160ie galvenie c\u0113lo\u0146i s\u012bk\u0101k apl\u016bkoti turpm\u0101k:<\/p>\n\n\n\n<h3>1. Cilv\u0113ka k\u013c\u016bda (neprec\u012bza datu ievad\u012b\u0161ana vai kod\u0113\u0161ana)<\/h3>\n\n\n\n<p>K\u013c\u016bdainu klasifik\u0101cijas novirzi bie\u017ei izraisa cilv\u0113ciskas k\u013c\u016bdas, jo \u012bpa\u0161i p\u0113t\u012bjumos, kas balst\u0101s uz manu\u0101lu datu ievad\u012b\u0161anu. K\u013c\u016bdu k\u013c\u016bdas un nepareizas nor\u0101des var izrais\u012bt datu ievad\u012b\u0161anu nepareiz\u0101 kategorij\u0101. Piem\u0113ram, p\u0113tnieks var k\u013c\u016bdaini klasific\u0113t pacienta slim\u012bbas statusu medic\u012bnas p\u0113t\u012bjum\u0101.<\/p>\n\n\n\n<p>P\u0113tnieki vai datu ievades person\u0101ls var izmantot nekonsekventas kod\u0113\u0161anas sist\u0113mas datu kategoriz\u0113\u0161anai (piem\u0113ram, izmantot t\u0101dus kodus k\u0101 \"1\" v\u012brie\u0161iem un \"2\" sieviet\u0113m). Ja kod\u0113\u0161ana tiek veikta nekonsekventi vai ja da\u017e\u0101di darbinieki izmanto da\u017e\u0101dus kodus bez skaidriem nor\u0101d\u012bjumiem, ir iesp\u0113jams rad\u012bt neobjektivit\u0101ti.<\/p>\n\n\n\n<p>Ja cilv\u0113ks ir noguris vai spiests uz laiku, palielin\u0101s iesp\u0113ja k\u013c\u016bd\u012bties. K\u013c\u016bdainu klasifik\u0101ciju var saasin\u0101t, veicot atk\u0101rtotus uzdevumus, piem\u0113ram, ievadot datus, kas var izrais\u012bt koncentr\u0113\u0161an\u0101s trauc\u0113jumus.<\/p>\n\n\n\n<h3>2. Kategoriju vai defin\u012bciju nepareiza izpratne<\/h3>\n\n\n\n<p>Ja kategorijas vai main\u012bgie lielumi ir defin\u0113ti neviennoz\u012bm\u012bgi, tas var novest pie nepareizas klasifik\u0101cijas. P\u0113tnieki vai dal\u012bbnieki var da\u017e\u0101di interpret\u0113t main\u012bgo lielumu, t\u0101d\u0113j\u0101di izraisot nekonsekventu klasifik\u0101ciju. Piem\u0113ram, p\u0113t\u012bjum\u0101 par fizisko aktivit\u0101\u0161u paradumiem \"viegla fizisk\u0101 slodze\" var iev\u0113rojami at\u0161\u0137irties.<\/p>\n\n\n\n<p>P\u0113tniekiem un dal\u012bbniekiem var b\u016bt gr\u016bti at\u0161\u0137irt kategorijas, ja t\u0101s ir p\u0101r\u0101k l\u012bdz\u012bgas vai p\u0101rkl\u0101jas. T\u0101 rezult\u0101t\u0101 dati var tikt klasific\u0113ti nepareizi. P\u0113tot da\u017e\u0101das slim\u012bbas stadijas, at\u0161\u0137ir\u012bba starp agr\u012bno un vid\u0113jo slim\u012bbas stadiju ne vienm\u0113r var b\u016bt skaidra.<\/p>\n\n\n\n<h3>3. K\u013c\u016bdaini m\u0113r\u012b\u0161anas instrumenti vai metodes<\/h3>\n\n\n\n<p>Nepareizu klasifik\u0101ciju var veicin\u0101t instrumenti, kas nav prec\u012bzi vai uzticami. Datu klasifik\u0101cijas k\u013c\u016bdas var rasties, ja boj\u0101tas vai nepareizi kalibr\u0113tas ier\u012bces fizik\u0101lo m\u0113r\u012bjumu laik\u0101, piem\u0113ram, asinsspiediena vai svara m\u0113r\u012bjumu laik\u0101, uzr\u0101da nepareizus r\u0101d\u012bjumus.<\/p>\n\n\n\n<p>Ir gad\u012bjumi, kad instrumenti darbojas labi, bet m\u0113r\u012b\u0161anas metodes ir k\u013c\u016bdainas. Piem\u0113ram, ja vesel\u012bbas apr\u016bpes darbinieks neiev\u0113ro pareizu asins paraugu \u0146em\u0161anas proced\u016bru, var tikt ieg\u016bti neprec\u012bzi rezult\u0101ti un pacienta vesel\u012bbas st\u0101voklis var tikt klasific\u0113ts nepareizi.<\/p>\n\n\n\n<p>Ma\u0161\u012bnm\u0101c\u012b\u0161an\u0101s algoritmi un autom\u0101tisk\u0101s datu kategoriz\u0113\u0161anas programmat\u016bra, ja t\u0101 nav pien\u0101c\u012bgi apm\u0101c\u012bta vai ir pak\u013cauta k\u013c\u016bd\u0101m, ar\u012b var rad\u012bt neobjektivit\u0101ti. P\u0113t\u012bjuma rezult\u0101ti var b\u016bt sistem\u0101tiski neobjekt\u012bvi, ja programmat\u016bra nepareizi \u0146em v\u0113r\u0101 mal\u0113jos gad\u012bjumus.<\/p>\n\n\n\n<h2>Efekt\u012bvas strat\u0113\u0123ijas nepareizas klasifik\u0101cijas neobjektivit\u0101tes nov\u0113r\u0161anai<\/h2>\n\n\n\n<p>Lai no datiem izdar\u012btu prec\u012bzus un ticamus secin\u0101jumus, ir b\u016btiski samazin\u0101t nepareizas klasifik\u0101cijas novirzi, t\u0101d\u0113j\u0101di nodro\u0161inot p\u0113t\u012bjumu rezult\u0101tu integrit\u0101ti. Lai samazin\u0101tu \u0161\u0101da veida novirzi, var izmantot \u0161\u0101das strat\u0113\u0123ijas:<\/p>\n\n\n\n<h3>Skaidras defin\u012bcijas un protokoli<\/h3>\n\n\n\n<p>Parasti main\u012bgie tiek klasific\u0113ti nepareizi, ja tie ir slikti defin\u0113ti vai neskaidri. Visiem datu punktiem j\u0101b\u016bt prec\u012bzi un nep\u0101rprotami defin\u0113tiem. L\u016bk, k\u0101:<\/p>\n\n\n\n<ul>\n<li>P\u0101rliecinieties, ka kategorijas un main\u012bgie ir savstarp\u0113ji izsl\u0113dzo\u0161i un izsme\u013co\u0161i, neatst\u0101jot iesp\u0113ju interpret\u0101cijai vai p\u0101rkl\u0101\u0161anai.<\/li>\n\n\n\n<li>Izstr\u0101d\u0101jiet detaliz\u0113tas vadl\u012bnijas, kur\u0101s izskaidrots, k\u0101 v\u0101kt, m\u0113r\u012bt un re\u0123istr\u0113t datus. \u0160\u012b konsekvence samazina datu apstr\u0101des main\u012bgumu.<\/li>\n\n\n\n<li>P\u0101rbaudiet, vai nav p\u0101rpratumu vai pel\u0113ko zonu, p\u0101rbaudot savas defin\u012bcijas ar re\u0101liem datiem, izmantojot izm\u0113\u0123in\u0101juma p\u0113t\u012bjumus. Ja nepiecie\u0161ams, mainiet defin\u012bcijas, pamatojoties uz \u0161\u012bm atsauksm\u0113m.<\/li>\n<\/ul>\n\n\n\n<h3>M\u0113r\u012b\u0161anas r\u012bku uzlabo\u0161ana<\/h3>\n\n\n\n<p>Galvenais nepareizas klasifik\u0101cijas novirzes c\u0113lonis ir k\u013c\u016bdainu vai neprec\u012bzu m\u0113rinstrumentu izmanto\u0161ana. Datu v\u0101k\u0161ana ir prec\u012bz\u0101ka, ja instrumenti un metodes ir uzticamas:<\/p>\n\n\n\n<ul>\n<li>Izmantojiet r\u012bkus un testus, kas ir zin\u0101tniski apstiprin\u0101ti un pla\u0161i atz\u012bti j\u016bsu jom\u0101. T\u0101d\u0113j\u0101di tie nodro\u0161ina gan sniegto datu precizit\u0101ti, gan sal\u012bdzin\u0101m\u012bbu.<\/li>\n\n\n\n<li>Periodiski p\u0101rbaudiet un kalibr\u0113jiet instrumentus, lai p\u0101rliecin\u0101tos, ka tie sniedz konsekventus rezult\u0101tus.<\/li>\n\n\n\n<li>Ja m\u0113r\u012bjumi ir nep\u0101rtraukti (piem\u0113ram, svars vai temperat\u016bra), klasific\u0113\u0161anas k\u013c\u016bdas var samazin\u0101t, izmantojot prec\u012bz\u0101kus svarus.<\/li>\n<\/ul>\n\n\n\n<h3>Apm\u0101c\u012bba<\/h3>\n\n\n\n<p>Cilv\u0113ka k\u013c\u016bda var iev\u0113rojami veicin\u0101t nepareizu klasifik\u0101cijas novirzi, jo \u012bpa\u0161i tad, ja datu v\u0101c\u0113ji nav piln\u012bb\u0101 inform\u0113ti par p\u0113t\u012bjuma pras\u012bb\u0101m vai nians\u0113m. Pareiza apm\u0101c\u012bba var mazin\u0101t \u0161o risku:<\/p>\n\n\n\n<ul>\n<li>Nodro\u0161iniet detaliz\u0113tas m\u0101c\u012bbu programmas visiem datu v\u0101c\u0113jiem, kur\u0101s izskaidrots p\u0113t\u012bjuma m\u0113r\u0137is, pareizas klasifik\u0101cijas noz\u012bme un tas, k\u0101 m\u0113r\u0101mi un re\u0123istr\u0113jami main\u012bgie lielumi.<\/li>\n\n\n\n<li>Nodro\u0161in\u0101t past\u0101v\u012bgu izgl\u012bto\u0161anu, lai nodro\u0161in\u0101tu, ka ilgtermi\u0146a p\u0113t\u012bjumu grupas ir iepazinu\u0161\u0101s ar protokoliem.<\/li>\n\n\n\n<li>P\u0101rliecinieties, ka visi datu v\u0101c\u0113ji saprot procesus un p\u0113c apm\u0101c\u012bbas var tos konsekventi piem\u0113rot.<\/li>\n<\/ul>\n\n\n\n<h3>Krustenisk\u0101 valid\u0101cija<\/h3>\n\n\n\n<p>Lai nodro\u0161in\u0101tu precizit\u0101ti un konsekvenci, savstarp\u0113j\u0101 verifik\u0101cij\u0101 tiek sal\u012bdzin\u0101ti dati no vair\u0101kiem avotiem. Izmantojot \u0161o metodi, var atkl\u0101t un samazin\u0101t k\u013c\u016bdas:<\/p>\n\n\n\n<ul>\n<li>Dati ir j\u0101v\u0101c no p\u0113c iesp\u0113jas vair\u0101k neatkar\u012bgiem avotiem. Neatbilst\u012bbas var identific\u0113t, p\u0101rbaudot datu precizit\u0101ti.<\/li>\n\n\n\n<li>Identific\u0113t iesp\u0113jam\u0101s neatbilst\u012bbas vai k\u013c\u016bdas sav\u0101ktajos datos, sal\u012bdzinot tos ar eso\u0161ajiem ierakstiem, datub\u0101z\u0113m vai citiem apsekojumiem.<\/li>\n\n\n\n<li>P\u0113t\u012bjuma vai t\u0101 da\u013cas atk\u0101rto\u0161ana da\u017ek\u0101rt var pal\u012bdz\u0113t apstiprin\u0101t konstat\u0113jumus un samazin\u0101t nepareizu klasifik\u0101ciju.<\/li>\n<\/ul>\n\n\n\n<h3>Datu atk\u0101rtota p\u0101rbaude<\/h3>\n\n\n\n<p>Ir svar\u012bgi p\u0113c datu v\u0101k\u0161anas nep\u0101rtraukti uzraudz\u012bt un atk\u0101rtoti p\u0101rbaud\u012bt datus, lai identific\u0113tu un labotu nepareizas klasifik\u0101cijas k\u013c\u016bdas:<\/p>\n\n\n\n<ul>\n<li>\u012asteno re\u0101llaika sist\u0113mas novir\u017eu, neatbilst\u012bbu un aizdom\u012bgu mode\u013cu atkl\u0101\u0161anai. Sal\u012bdzinot ierakstus ar paredzamajiem diapazoniem vai iepriek\u0161 defin\u0113tiem noteikumiem, \u0161\u012bs sist\u0113mas var savlaic\u012bgi atkl\u0101t k\u013c\u016bdas.<\/li>\n\n\n\n<li>Ja dati tiek ievad\u012bti manu\u0101li, dubult\u0101 ieraksta sist\u0113ma var samazin\u0101t k\u013c\u016bdu skaitu. Neatbilst\u012bbas var identific\u0113t un labot, sal\u012bdzinot divus neatkar\u012bgus vien\u0101du datu ierakstus.<\/li>\n\n\n\n<li>J\u0101veic ikgad\u0113ja rev\u012bzija, lai nodro\u0161in\u0101tu, ka datu v\u0101k\u0161anas process ir prec\u012bzs un ka tiek iev\u0113roti protokoli.<\/li>\n<\/ul>\n\n\n\n<p>\u0160\u012bs strat\u0113\u0123ijas var pal\u012bdz\u0113t p\u0113tniekiem samazin\u0101t nepareizas klasifik\u0101cijas novirzes iesp\u0113jam\u012bbu, nodro\u0161inot, ka vi\u0146u veikt\u0101s anal\u012bzes ir prec\u012bz\u0101kas un ieg\u016btie rezult\u0101ti ticam\u0101ki. K\u013c\u016bdas var samazin\u0101t, iev\u0113rojot skaidras vadl\u012bnijas, izmantojot prec\u012bzus r\u012bkus, apm\u0101cot darbiniekus un veicot r\u016bp\u012bgu savstarp\u0113ju valid\u0101ciju.<\/p>\n\n\n\n<h2>P\u0101rl\u016bkojiet vair\u0101k nek\u0101 75 000 zin\u0101tniski prec\u012bzu ilustr\u0101ciju 80+ popul\u0101r\u0101s jom\u0101s<\/h2>\n\n\n\n<p>Izpratne par nepareizas klasifik\u0101cijas novirzi ir b\u016btiska, ta\u010du efekt\u012bvi inform\u0113t par t\u0101s nians\u0113m var b\u016bt sare\u017e\u0123\u012bti. <a href=\"https:\/\/mindthegraph.com\/science-figures\/?utm_source=blog&amp;utm_medium=cta-final&amp;utm_campaign=conversion\">Mind the Graph<\/a> nodro\u0161ina r\u012bkus, ar kuriem var izveidot saisto\u0161us un prec\u012bzus vizu\u0101lus att\u0113lus, pal\u012bdzot p\u0113tniekiem saprotami izkl\u0101st\u012bt t\u0101dus sare\u017e\u0123\u012btus j\u0113dzienus k\u0101 nepareizas klasifik\u0101cijas novirze. No infografik\u0101m l\u012bdz uz datiem balst\u012bt\u0101m ilustr\u0101cij\u0101m - m\u016bsu platforma \u013cauj jums p\u0101rv\u0113rst sare\u017e\u0123\u012btus datus iedarb\u012bgos vizu\u0101los materi\u0101los. S\u0101ciet veidot jau \u0161odien un uzlabojiet savu p\u0113t\u012bjumu prezent\u0101cijas ar profesion\u0101las kvalit\u0101tes dizainu.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/mindthegraph.com\/science-figures\/?utm_source=blog&amp;utm_medium=cta-final&amp;utm_campaign=conversion\"><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;Anim\u0113ts GIF, kas par\u0101da vair\u0101k nek\u0101 80 zin\u0101tnisko jomu, kuras pieejamas Mind the Graph, tostarp biolo\u0123iju, \u0137\u012bmiju, fiziku un medic\u012bnu, un ilustr\u0113 platformas daudzpus\u012bbu p\u0113tniekiem.&quot;\" class=\"wp-image-29586\"\/><\/a><figcaption class=\"wp-element-caption\">Anim\u0113ts GIF, kas demonstr\u0113 pla\u0161u zin\u0101tnes jomu kl\u0101stu, ko aptver <a href=\"https:\/\/mindthegraph.com\/science-figures\/?utm_source=blog&amp;utm_medium=cta-final&amp;utm_campaign=conversion\">Mind the Graph<\/a>.<\/figcaption><\/figure>\n\n\n\n<div class=\"is-content-justification-center is-layout-flex wp-container-1 wp-block-buttons\">\n<div class=\"wp-block-button\"><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>Re\u0123istr\u0113jieties, lai s\u0101ktu<\/strong><\/a><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Izp\u0113tiet nepareizas klasifik\u0101cijas novirzes c\u0113lo\u0146us, t\u0101s ietekmi uz datu precizit\u0101ti un strat\u0113\u0123ijas k\u013c\u016bdu samazin\u0101\u0161anai p\u0113tniec\u012bb\u0101.<\/p>","protected":false},"author":27,"featured_media":55891,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[976,961],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.9 - 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She is currently pursuing a master's degree in Bioentrepreneurship from Karolinska Institute. She is interested in health and diseases, global health, socioeconomic development, and women's health. As a science enthusiast, she is keen in learning more about the scientific world and wants to play a part in making a difference.","sameAs":["http:\/\/linkedin.com\/in\/aayushizaveri"],"url":"https:\/\/mindthegraph.com\/blog\/lv\/author\/aayuyshi\/"}]}},"_links":{"self":[{"href":"https:\/\/mindthegraph.com\/blog\/lv\/wp-json\/wp\/v2\/posts\/55890"}],"collection":[{"href":"https:\/\/mindthegraph.com\/blog\/lv\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mindthegraph.com\/blog\/lv\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/lv\/wp-json\/wp\/v2\/users\/27"}],"replies":[{"embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/lv\/wp-json\/wp\/v2\/comments?post=55890"}],"version-history":[{"count":1,"href":"https:\/\/mindthegraph.com\/blog\/lv\/wp-json\/wp\/v2\/posts\/55890\/revisions"}],"predecessor-version":[{"id":55892,"href":"https:\/\/mindthegraph.com\/blog\/lv\/wp-json\/wp\/v2\/posts\/55890\/revisions\/55892"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/lv\/wp-json\/wp\/v2\/media\/55891"}],"wp:attachment":[{"href":"https:\/\/mindthegraph.com\/blog\/lv\/wp-json\/wp\/v2\/media?parent=55890"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/lv\/wp-json\/wp\/v2\/categories?post=55890"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/lv\/wp-json\/wp\/v2\/tags?post=55890"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}