{"id":1911,"date":"2023-07-24T12:02:56","date_gmt":"2023-07-24T12:02:56","guid":{"rendered":"https:\/\/statorials.org\/tr\/t-korelasyon-testi\/"},"modified":"2023-07-24T12:02:56","modified_gmt":"2023-07-24T12:02:56","slug":"t-korelasyon-testi","status":"publish","type":"post","link":"https:\/\/statorials.org\/tr\/t-korelasyon-testi\/","title":{"rendered":"Korelasyon t testi nas\u0131l yap\u0131l\u0131r"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">\u0130ki de\u011fi\u015fken aras\u0131ndaki do\u011frusal ili\u015fkiyi \u00f6l\u00e7mek i\u00e7in <a href=\"https:\/\/statorials.org\/tr\/pearson-korelasyon-katsayisi-1\/\" target=\"_blank\" rel=\"noopener noreferrer\">Pearson korelasyon katsay\u0131s\u0131<\/a> kullan\u0131l\u0131r.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Her zaman -1 ile 1 aras\u0131nda bir de\u011fer al\u0131r; burada:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">-1 tamamen negatif bir do\u011frusal korelasyonu g\u00f6sterir.<\/span><\/li>\n<li> <span style=\"color: #000000;\">0 do\u011frusal bir korelasyon olmad\u0131\u011f\u0131n\u0131 g\u00f6sterir.<\/span><\/li>\n<li> <span style=\"color: #000000;\">1 m\u00fckemmel pozitif do\u011frusal korelasyonu g\u00f6sterir.<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Korelasyon katsay\u0131s\u0131n\u0131n istatistiksel olarak anlaml\u0131 olup olmad\u0131\u011f\u0131n\u0131 belirlemek i\u00e7in bir t-puan\u0131n\u0131n ve buna kar\u015f\u0131l\u0131k gelen bir p-de\u011ferinin hesaplanmas\u0131n\u0131 i\u00e7eren bir t-testi ger\u00e7ekle\u015ftirebilirsiniz.<\/span><\/p>\n<p> <span style=\"color: #000000;\">T-puan\u0131n\u0131 hesaplamak i\u00e7in kullan\u0131lan form\u00fcl a\u015fa\u011f\u0131daki gibidir:<\/span><\/p>\n<p> <strong><span style=\"color: #000000;\">t = r\u221a <span style=\"border-top: 1px solid black;\">(n-2) \/ (1- <sup>r2<\/sup> )<\/span><\/span><\/strong><\/p>\n<p> <span style=\"color: #000000;\">Alt\u0131n:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>r:<\/strong> Korelasyon katsay\u0131s\u0131<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>n:<\/strong> \u00d6rneklem b\u00fcy\u00fckl\u00fc\u011f\u00fc<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">P-de\u011feri, n-2 serbestlik derecesine sahip t-da\u011f\u0131l\u0131m\u0131 i\u00e7in kar\u015f\u0131l\u0131k gelen iki kuyruklu p-de\u011feri olarak hesaplan\u0131r.<\/span><\/p>\n<p> <span style=\"color: #000000;\">A\u015fa\u011f\u0131daki \u00f6rnek, bir korelasyon katsay\u0131s\u0131 i\u00e7in t testinin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fini g\u00f6sterir.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>\u00d6rnek: Korelasyon i\u00e7in t testi \u00e7al\u0131\u015ft\u0131rma<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">\u0130ki de\u011fi\u015fkenli a\u015fa\u011f\u0131daki veri setine sahip oldu\u011fumuzu varsayal\u0131m:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-18261 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/tcor1-1.png\" alt=\"\" width=\"157\" height=\"307\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Baz\u0131 istatistiksel yaz\u0131l\u0131mlar\u0131 (Excel, R, Python vb.) kullanarak iki de\u011fi\u015fken aras\u0131ndaki korelasyon katsay\u0131s\u0131n\u0131 <strong>0,707<\/strong> olarak hesaplayabiliriz.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Bu \u00e7ok pozitif bir korelasyon, ancak istatistiksel olarak anlaml\u0131 olup olmad\u0131\u011f\u0131n\u0131 belirlemek i\u00e7in kar\u015f\u0131l\u0131k gelen t-puan\u0131n\u0131 ve p-de\u011ferini hesaplamam\u0131z gerekiyor.<\/span><\/p>\n<p> <span style=\"color: #000000;\">T-puan\u0131n\u0131 \u015fu \u015fekilde hesaplayabiliriz:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">t = r\u221a <span style=\"border-top: 1px solid black;\">(n-2) \/ (1- <sup>r2<\/sup> )<\/span><\/span><\/li>\n<li> <span style=\"color: #000000;\">t = 0,707\u221a <span style=\"border-top: 1px solid black;\">(10-2) \/ (1-0,707 <sup>2<\/sup> )<\/span><\/span><\/li>\n<li> <span style=\"color: #000000;\">t = <strong>2,828<\/strong><\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Bir <a href=\"https:\/\/statorials.org\/tr\/t-puani-p-degeri-hesaplayicisi\/\" target=\"_blank\" rel=\"noopener\">P de\u011feri T puan\u0131 hesaplay\u0131c\u0131s\u0131<\/a> kullanarak kar\u015f\u0131l\u0131k gelen p de\u011ferinin <strong>0,022<\/strong> oldu\u011funu buluruz.<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-18262 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/tcor2.png\" alt=\"\" width=\"378\" height=\"689\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Bu p de\u011feri 0,05&#8217;ten k\u00fc\u00e7\u00fck oldu\u011fundan bu iki de\u011fi\u015fken aras\u0131ndaki korelasyonun istatistiksel olarak anlaml\u0131 oldu\u011fu sonucuna varabiliriz.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Ek kaynaklar<\/strong><\/span><\/h3>\n<p> <a href=\"https:\/\/statorials.org\/tr\/excelde-korelasyon-testi\/\" target=\"_blank\" rel=\"noopener\">Excel&#8217;de korelasyon testi nas\u0131l yap\u0131l\u0131r<\/a><br \/> <a href=\"https:\/\/statorials.org\/tr\/rde-korelasyon-testi\/\" target=\"_blank\" rel=\"noopener\">R&#8217;de korelasyon testi nas\u0131l yap\u0131l\u0131r<\/a><br \/> <a href=\"https:\/\/statorials.org\/tr\" target=\"_blank\" rel=\"noopener\">&#8220;Zay\u0131f&#8221; korelasyon olarak kabul edilen \u015fey nedir?<\/a><br \/> <a href=\"https:\/\/statorials.org\/tr\" target=\"_blank\" rel=\"noopener\">\u201cG\u00fc\u00e7l\u00fc\u201d bir korelasyon olarak kabul edilen \u015fey nedir?<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0130ki de\u011fi\u015fken aras\u0131ndaki do\u011frusal ili\u015fkiyi \u00f6l\u00e7mek i\u00e7in Pearson korelasyon katsay\u0131s\u0131 kullan\u0131l\u0131r. Her zaman -1 ile 1 aras\u0131nda bir de\u011fer al\u0131r; burada: -1 tamamen negatif bir do\u011frusal korelasyonu g\u00f6sterir. 0 do\u011frusal bir korelasyon olmad\u0131\u011f\u0131n\u0131 g\u00f6sterir. 1 m\u00fckemmel pozitif do\u011frusal korelasyonu g\u00f6sterir. Korelasyon katsay\u0131s\u0131n\u0131n istatistiksel olarak anlaml\u0131 olup olmad\u0131\u011f\u0131n\u0131 belirlemek i\u00e7in bir t-puan\u0131n\u0131n ve buna kar\u015f\u0131l\u0131k gelen [&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-1911","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>Korelasyon t testi nas\u0131l yap\u0131l\u0131r - Statorials<\/title>\n<meta name=\"description\" content=\"Bu e\u011fitimde bir korelasyon katsay\u0131s\u0131 i\u00e7in t testinin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fi bir \u00f6rnekle a\u00e7\u0131klanmaktad\u0131r.\" \/>\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\/t-korelasyon-testi\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Korelasyon t testi nas\u0131l yap\u0131l\u0131r - 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