{"id":1575,"date":"2023-07-25T19:51:08","date_gmt":"2023-07-25T19:51:08","guid":{"rendered":"https:\/\/statorials.org\/tr\/korelasyon-ornegi-yok\/"},"modified":"2023-07-25T19:51:08","modified_gmt":"2023-07-25T19:51:08","slug":"korelasyon-ornegi-yok","status":"publish","type":"post","link":"https:\/\/statorials.org\/tr\/korelasyon-ornegi-yok\/","title":{"rendered":"De\u011fi\u015fkenler aras\u0131ndaki korelasyon eksikli\u011fine 4 \u00f6rnek"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">\u0130statistikte <strong>korelasyon<\/strong> , iki de\u011fi\u015fken aras\u0131ndaki do\u011frusal ili\u015fkinin bir \u00f6l\u00e7\u00fcs\u00fcd\u00fcr.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Korelasyon katsay\u0131s\u0131n\u0131n de\u011feri her zaman -1 ile 1 aras\u0131ndad\u0131r; burada:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">-1, iki de\u011fi\u015fken aras\u0131nda tamamen negatif bir do\u011frusal korelasyonu g\u00f6sterir<\/span><\/li>\n<li> <span style=\"color: #000000;\">0, iki de\u011fi\u015fken aras\u0131nda do\u011frusal bir korelasyon olmad\u0131\u011f\u0131n\u0131 g\u00f6sterir<\/span><\/li>\n<li> <span style=\"color: #000000;\">1, iki de\u011fi\u015fken aras\u0131nda m\u00fckemmel pozitif do\u011frusal bir korelasyonu g\u00f6sterir<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">E\u011fer iki de\u011fi\u015fkenin korelasyonu s\u0131f\u0131r ise bu onlar\u0131n hi\u00e7bir \u015fekilde ili\u015fkili olmad\u0131\u011f\u0131n\u0131 g\u00f6sterir. Ba\u015fka bir deyi\u015fle, bir de\u011fi\u015fkenin de\u011ferini bilmek bize di\u011fer de\u011fi\u015fkenin de\u011ferinin ne olabilece\u011fi hakk\u0131nda hi\u00e7bir fikir vermez.<\/span><\/p>\n<p> <span style=\"color: #000000;\">S\u0131f\u0131r korelasyona sahip iki de\u011fi\u015fkenden olu\u015fan bir da\u011f\u0131l\u0131m grafi\u011fi olu\u015fturursak, grafikte net bir model olmayacakt\u0131r:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-15605 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/noncorrelation1.png\" alt=\"Korelasyon yok \u00f6rne\u011fi\" width=\"474\" height=\"400\" srcset=\"\" sizes=\"auto, \"><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Korelasyon Olmayan \u00d6rnekler<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">A\u015fa\u011f\u0131daki \u00f6rneklerde iki de\u011fi\u015fkenin korelasyonunun olmad\u0131\u011f\u0131 senaryolar g\u00f6sterilmektedir.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>\u00d6rnek 1: Kahve T\u00fcketimi ve Zeka<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">Bireylerin t\u00fcketti\u011fi kahve miktar\u0131 ile IQ d\u00fczeyleri aras\u0131nda s\u0131f\u0131r korelasyon vard\u0131r. Yani bir bireyin ne kadar kahve i\u00e7ti\u011fini bilmek bize onun IQ seviyesi hakk\u0131nda fikir vermez.<\/span><\/p>\n<p> <span style=\"color: #000000;\">G\u00fcnl\u00fck kahve t\u00fcketimi ile IQ d\u00fczeyinin da\u011f\u0131l\u0131m grafi\u011fini olu\u015ftursayd\u0131k \u015funa benzerdi:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-15606 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/noncorrelation2.png\" alt=\"\" width=\"471\" height=\"382\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\"><strong>\u00d6rnek 2: Boy ve Test Puanlar\u0131<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">\u00d6\u011frencilerin boyu ile ortalama test puanlar\u0131 aras\u0131nda s\u0131f\u0131r korelasyon vard\u0131r. Yani bir bireyin boyunu bilmek bize onun ortalama s\u0131nav puan\u0131 hakk\u0131nda fikir vermez.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Boy ve ortalama s\u0131nav puan\u0131n\u0131 temsil eden bir da\u011f\u0131l\u0131m grafi\u011fi olu\u015ftursayd\u0131k, \u015f\u00f6yle g\u00f6r\u00fcn\u00fcrd\u00fc:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-15607 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/noncorrelation3.png\" alt=\"\" width=\"474\" height=\"378\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\"><strong>\u00d6rnek 3: ayakkab\u0131 numaras\u0131 ve izlenen filmler<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">Bireylerin ayakkab\u0131 numaras\u0131 ile y\u0131lda izledikleri film say\u0131s\u0131 aras\u0131nda s\u0131f\u0131r korelasyon bulunmaktad\u0131r. Yani bir bireyin ayakkab\u0131 numaras\u0131n\u0131 bilmek bize onun y\u0131lda ka\u00e7 film izledi\u011fine dair bir fikir vermiyor.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Ayakkab\u0131 numaras\u0131 ile izlenen film say\u0131s\u0131n\u0131 g\u00f6steren bir da\u011f\u0131l\u0131m grafi\u011fi olu\u015ftursayd\u0131k, \u015f\u00f6yle g\u00f6r\u00fcn\u00fcrd\u00fc:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-15608 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/noncorrelation4.png\" alt=\"\" width=\"470\" height=\"375\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\"><strong>\u00d6rnek 4: a\u011f\u0131rl\u0131k ve gelir<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">Bireylerin a\u011f\u0131rl\u0131\u011f\u0131 ile y\u0131ll\u0131k gelirleri aras\u0131nda s\u0131f\u0131r korelasyon vard\u0131r. Yani bir ki\u015finin kilosunu bilmek bize onun y\u0131ll\u0131k gelirinin ne olabilece\u011fi konusunda fikir vermez.<\/span><\/p>\n<p> <span style=\"color: #000000;\">E\u011fer bir a\u011f\u0131rl\u0131k\/gelir da\u011f\u0131l\u0131m\u0131 grafi\u011fi olu\u015ftursayd\u0131k \u015f\u00f6yle g\u00f6r\u00fcn\u00fcrd\u00fc:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-15609 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/aucune-correlation5.png\" alt=\"\" width=\"470\" height=\"392\" srcset=\"\" sizes=\"auto, \"><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Ek kaynaklar<\/strong><\/span><\/h3>\n<p> <a href=\"https:\/\/statorials.org\/tr\/pearson-korelasyon-katsayisi-1\/\" target=\"_blank\" rel=\"noopener\">Pearson Korelasyon Katsay\u0131s\u0131na Giri\u015f<\/a><br \/> <a href=\"https:\/\/statorials.org\/tr\/korelasyon-ve-iliski\/\" target=\"_blank\" rel=\"noopener\">Korelasyon vs. dernek: fark nedir?<\/a><br \/> <a href=\"https:\/\/statorials.org\/tr\/korelasyon-ve-regresyon\/\" target=\"_blank\" rel=\"noopener\">Korelasyon ve regresyon: fark nedir?<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0130statistikte korelasyon , iki de\u011fi\u015fken aras\u0131ndaki do\u011frusal ili\u015fkinin bir \u00f6l\u00e7\u00fcs\u00fcd\u00fcr. Korelasyon katsay\u0131s\u0131n\u0131n de\u011feri her zaman -1 ile 1 aras\u0131ndad\u0131r; burada: -1, iki de\u011fi\u015fken aras\u0131nda tamamen negatif bir do\u011frusal korelasyonu g\u00f6sterir 0, iki de\u011fi\u015fken aras\u0131nda do\u011frusal bir korelasyon olmad\u0131\u011f\u0131n\u0131 g\u00f6sterir 1, iki de\u011fi\u015fken aras\u0131nda m\u00fckemmel pozitif do\u011frusal bir korelasyonu g\u00f6sterir E\u011fer iki de\u011fi\u015fkenin korelasyonu s\u0131f\u0131r ise [&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-1575","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>De\u011fi\u015fkenler aras\u0131ndaki korelasyon 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