{"id":1051,"date":"2023-07-27T20:35:01","date_gmt":"2023-07-27T20:35:01","guid":{"rendered":"https:\/\/statorials.org\/tr\/rde-dunns-testi\/"},"modified":"2023-07-27T20:35:01","modified_gmt":"2023-07-27T20:35:01","slug":"rde-dunns-testi","status":"publish","type":"post","link":"https:\/\/statorials.org\/tr\/rde-dunns-testi\/","title":{"rendered":"R&#39;de dunn testi nas\u0131l yap\u0131l\u0131r"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">\u00dc\u00e7 veya daha fazla ba\u011f\u0131ms\u0131z grubun medyanlar\u0131 aras\u0131nda istatistiksel olarak anlaml\u0131 bir fark olup olmad\u0131\u011f\u0131n\u0131 belirlemek i\u00e7in<a href=\"https:\/\/statorials.org\/tr\/kruskal-wallis-testi\/\" target=\"_blank\" rel=\"noopener noreferrer\">Kruskal-Wallis testi<\/a> kullan\u0131l\u0131r. <a href=\"https:\/\/statorials.org\/tr\/tek-yonlu-anova\/\" target=\"_blank\" rel=\"noopener noreferrer\">Tek y\u00f6nl\u00fc ANOVA&#8217;n\u0131n<\/a> parametrik olmayan e\u015fde\u011feri olarak kabul edilir.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Kruskal-Wallis testinin sonu\u00e7lar\u0131 istatistiksel olarak anlaml\u0131 ise hangi gruplar\u0131n farkl\u0131 oldu\u011funu tam olarak belirlemek i\u00e7in <a href=\"https:\/\/statorials.org\/tr\/bilmiyorum-testi\/\" target=\"_blank\" rel=\"noopener noreferrer\">Dunn testinin<\/a> yap\u0131lmas\u0131 uygundur.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Bu e\u011fitimde Dunn testinin R&#8217;de nas\u0131l ger\u00e7ekle\u015ftirilece\u011fi a\u00e7\u0131klanmaktad\u0131r.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>\u00d6rnek: R&#8217;de Dunn testi<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Bir ara\u015ft\u0131rmac\u0131, \u00fc\u00e7 ilac\u0131n s\u0131rt a\u011fr\u0131s\u0131 \u00fczerinde farkl\u0131 etkilerinin olup olmad\u0131\u011f\u0131n\u0131 bilmek istiyor. Bu nedenle, hepsi benzer s\u0131rt a\u011fr\u0131s\u0131 \u00e7eken 30 ki\u015fiyi i\u015fe al\u0131yor ve bunlar\u0131 A ilac\u0131, B ilac\u0131 veya C ilac\u0131n\u0131 alacak \u015fekilde rastgele \u00fc\u00e7 gruba ay\u0131r\u0131yor. \u0130lac\u0131n\u0131 ald\u0131ktan bir ay sonra ara\u015ft\u0131rmac\u0131 her ki\u015fiden s\u0131rt a\u011fr\u0131s\u0131n\u0131 derecelendirmesini istiyor. 1&#8217;den 100&#8217;e kadar bir \u00f6l\u00e7ek; 100 en \u015fiddetli a\u011fr\u0131y\u0131 g\u00f6sterir.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Ara\u015ft\u0131rmac\u0131, bu \u00fc\u00e7 gruptaki medyan s\u0131rt a\u011fr\u0131s\u0131 derecelendirmeleri aras\u0131nda istatistiksel olarak anlaml\u0131 bir fark olup olmad\u0131\u011f\u0131n\u0131 belirlemek i\u00e7in 0,05 anlaml\u0131l\u0131k d\u00fczeyini kullanarak Kruskal-Wallis testi uygular.<\/span><\/p>\n<p> <span style=\"color: #000000;\">A\u015fa\u011f\u0131daki kod, R&#8217;de veri \u00e7er\u00e7evesinin nas\u0131l olu\u015fturulaca\u011f\u0131n\u0131 ve Kruskal-Wallis testinin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fini g\u00f6sterir:<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#make this example reproducible\n<span style=\"color: #000000;\">set.seed(0)\n<\/span>\n#create data frame\n<span style=\"color: #000000;\">data &lt;- data.frame(drug = rep(c(\"A\", \"B\", \"C\"), each = 10),\n                   bread = c(runif(10, 40, 60),\n                            runif(10, 45, 65),\n                            runif(10, 55, 70)))<\/span>\n\n#view first six rows of data frame\n<span style=\"color: #000000;\">head(data)\n<\/span>\n<span style=\"color: #000000;\"># drug pain\n#1 A 57.93394\n#2 A 45.31017\n#3 A 47.44248\n#4 A 51.45707\n#5 A 58.16416\n#6 A 44.03364\n\n<span style=\"color: #008080;\">#perform Kruskal-Wallis Test<\/span>\nkruskal.test(pain ~ drug, data = data)\n\n\tKruskal-Wallis rank sum test\n\ndata: pain by drug\nKruskal-Wallis chi-squared = 11.105, df = 2, p-value = 0.003879\n<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Genel p de\u011feri ( <strong>0,003879<\/strong> ) 0,05&#8217;ten k\u00fc\u00e7\u00fck oldu\u011fundan bu, \u00fc\u00e7 ila\u00e7 aras\u0131nda rapor edilen a\u011fr\u0131 d\u00fczeylerinde istatistiksel olarak anlaml\u0131 bir fark oldu\u011fu anlam\u0131na gelir. Hangi ila\u00e7lar\u0131n farkl\u0131 oldu\u011funu tam olarak belirlemek i\u00e7in Dunn testini yapabiliriz.<\/span><\/p>\n<p> <span style=\"color: #000000;\">A\u015fa\u011f\u0131daki kod <strong>, FSA()<\/strong> kitapl\u0131\u011f\u0131ndaki <a href=\"https:\/\/www.rdocumentation.org\/packages\/FSA\/versions\/0.8.30\/topics\/dunnTest\" target=\"_blank\" rel=\"noopener noreferrer\">dunnTest()<\/a> i\u015flevini kullanarak R&#8217;de Dunn testinin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fini g\u00f6sterir:<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#loadlibrary\n<span style=\"color: #000000;\">library(FSA)\n\n<span style=\"color: #008080;\">#perform Dunn's Test with Bonferroni correction for p-values<\/span>\ndunnTest(pain ~ drug,\n         data=data,\n         method=\" <span style=\"color: #008000;\">bonferroni<\/span> \")\n\nDunn (1964) Kruskal-Wallis multiple comparison\n  p-values adjusted with the Bonferroni method.\n\n  Comparison Z P.unadj P.adj\n1 A - B -0.8890009 0.374002602 1.000000000\n2 A - C -3.2258032 0.001256197 0.003768591\n3 B - C -2.3368023 0.019449464 0.058348393<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">\u00c7oklu kar\u015f\u0131la\u015ft\u0131rmalar\u0131n p de\u011ferleri i\u00e7in Bonferroni d\u00fczeltmesini kullanmay\u0131 se\u00e7ti\u011fimizi ancak di\u011fer olas\u0131 se\u00e7eneklerin \u015funlar\u0131 i\u00e7erdi\u011fini unutmay\u0131n:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">\u201csidak\u201d (Sidak ayar\u0131)<\/span><\/li>\n<li> <span style=\"color: #000000;\">\u201cholm\u201d (holm ayar\u0131)<\/span><\/li>\n<li> <span style=\"color: #000000;\">\u201chs\u201d (Holm-Sidak ayar\u0131)<\/span><\/li>\n<li> <span style=\"color: #000000;\">\u201cbs\u201d (Bonferroni-Sidak ayar\u0131)<\/span><\/li>\n<li> <span style=\"color: #000000;\">\u201ctaraf\u0131ndan\u201d (Benjamin-Yekuteili ayarlamas\u0131)<\/span><\/li>\n<li> <span style=\"color: #000000;\">\u201cbh\u201d ( <a href=\"https:\/\/statorials.org\/tr\/benjamini-hochberg-proseduru\/\" target=\"_blank\" rel=\"noopener noreferrer\">Benjamini-Hochberg prosed\u00fcr\u00fc<\/a> )<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">\u03b1 = 0,05&#8217;te, A ve C ila\u00e7lar\u0131 birbirinden istatistiksel olarak anlaml\u0131 derecede farkl\u0131 olan tek iki ila\u00e7t\u0131r (d\u00fczeltilmi\u015f p-de\u011feri = <strong>0,003768<\/strong> ).<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00dc\u00e7 veya daha fazla ba\u011f\u0131ms\u0131z grubun medyanlar\u0131 aras\u0131nda istatistiksel olarak anlaml\u0131 bir fark olup olmad\u0131\u011f\u0131n\u0131 belirlemek i\u00e7inKruskal-Wallis testi kullan\u0131l\u0131r. Tek y\u00f6nl\u00fc ANOVA&#8217;n\u0131n parametrik olmayan e\u015fde\u011feri olarak kabul edilir. Kruskal-Wallis testinin sonu\u00e7lar\u0131 istatistiksel olarak anlaml\u0131 ise hangi gruplar\u0131n farkl\u0131 oldu\u011funu tam olarak belirlemek i\u00e7in Dunn testinin yap\u0131lmas\u0131 uygundur. Bu e\u011fitimde Dunn testinin R&#8217;de nas\u0131l ger\u00e7ekle\u015ftirilece\u011fi a\u00e7\u0131klanmaktad\u0131r. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"class_list":["post-1051","post","type-post","status-publish","format-standard","hentry","category-rehber"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>R - Statorials&#039;de Dunn testi nas\u0131l yap\u0131l\u0131r?<\/title>\n<meta name=\"description\" content=\"R&#039;de \u00e7oklu kar\u015f\u0131la\u015ft\u0131rmalar i\u00e7in Dunn testinin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fine dair basit bir a\u00e7\u0131klama.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/statorials.org\/tr\/rde-dunns-testi\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"R - Statorials&#039;de Dunn testi nas\u0131l yap\u0131l\u0131r?\" \/>\n<meta property=\"og:description\" content=\"R&#039;de \u00e7oklu kar\u015f\u0131la\u015ft\u0131rmalar i\u00e7in Dunn testinin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fine dair basit bir a\u00e7\u0131klama.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/tr\/rde-dunns-testi\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-27T20:35:01+00:00\" \/>\n<meta name=\"author\" content=\"Dr.benjamin anderson\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Yazan:\" \/>\n\t<meta name=\"twitter:data1\" content=\"Dr.benjamin anderson\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tahmini okuma s\u00fcresi\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 dakika\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/tr\/rde-dunns-testi\/\",\"url\":\"https:\/\/statorials.org\/tr\/rde-dunns-testi\/\",\"name\":\"R - Statorials&#39;de Dunn testi nas\u0131l yap\u0131l\u0131r?\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/tr\/#website\"},\"datePublished\":\"2023-07-27T20:35:01+00:00\",\"dateModified\":\"2023-07-27T20:35:01+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/tr\/#\/schema\/person\/365dc158a39a7c8ae256355451e3de48\"},\"description\":\"R&#39;de \u00e7oklu kar\u015f\u0131la\u015ft\u0131rmalar i\u00e7in Dunn testinin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fine dair basit bir a\u00e7\u0131klama.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/tr\/rde-dunns-testi\/#breadcrumb\"},\"inLanguage\":\"tr\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/tr\/rde-dunns-testi\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/tr\/rde-dunns-testi\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Ev\",\"item\":\"https:\/\/statorials.org\/tr\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"R&#39;de dunn testi nas\u0131l yap\u0131l\u0131r\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/statorials.org\/tr\/#website\",\"url\":\"https:\/\/statorials.org\/tr\/\",\"name\":\"Statorials\",\"description\":\"\u0130statistik okuryazarl\u0131\u011f\u0131 rehberiniz!\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/statorials.org\/tr\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"tr\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/statorials.org\/tr\/#\/schema\/person\/365dc158a39a7c8ae256355451e3de48\",\"name\":\"Dr.benjamin anderson\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"tr\",\"@id\":\"https:\/\/statorials.org\/tr\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/statorials.org\/tr\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"contentUrl\":\"https:\/\/statorials.org\/tr\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"caption\":\"Dr.benjamin anderson\"},\"description\":\"Merhaba, ben Benjamin, emekli bir istatistik profes\u00f6r\u00fc ve Statorials \u00f6\u011fretmenine d\u00f6n\u00fc\u015ft\u00fcm. \u0130statistik alan\u0131ndaki kapsaml\u0131 deneyimim ve uzmanl\u0131\u011f\u0131mla, \u00f6\u011frencilerimi Statorials arac\u0131l\u0131\u011f\u0131yla g\u00fc\u00e7lendirmek i\u00e7in bilgilerimi payla\u015fmaya can at\u0131yorum. 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