{"id":885,"date":"2023-07-28T10:40:30","date_gmt":"2023-07-28T10:40:30","guid":{"rendered":"https:\/\/statorials.org\/tr\/nokta-cift-serili-korelasyon-pitonu\/"},"modified":"2023-07-28T10:40:30","modified_gmt":"2023-07-28T10:40:30","slug":"nokta-cift-serili-korelasyon-pitonu","status":"publish","type":"post","link":"https:\/\/statorials.org\/tr\/nokta-cift-serili-korelasyon-pitonu\/","title":{"rendered":"Python&#39;da nokta-\u00e7ift serili korelasyon nas\u0131l hesaplan\u0131r"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\"><strong>Nokta-\u00e7ift serili korelasyon,<\/strong> ikili de\u011fi\u015fken x ile s\u00fcrekli de\u011fi\u015fken y aras\u0131ndaki ili\u015fkiyi \u00f6l\u00e7mek i\u00e7in kullan\u0131l\u0131r.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><a href=\"https:\/\/statorials.org\/tr\/pearson-korelasyon-katsayisi-1\/\" target=\"_blank\" rel=\"noopener\">Pearson korelasyon katsay\u0131s\u0131na<\/a> benzer \u015fekilde, nokta-\u00e7ift serili korelasyon katsay\u0131s\u0131 -1 ile 1 aras\u0131nda bir de\u011fer al\u0131r; burada:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">-1, iki de\u011fi\u015fken aras\u0131nda tamamen negatif bir korelasyon oldu\u011funu g\u00f6sterir<\/span><\/li>\n<li> <span style=\"color: #000000;\">0, iki de\u011fi\u015fken aras\u0131nda 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 bir korelasyon oldu\u011funu g\u00f6sterir<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Bu e\u011fitimde Python&#8217;da iki de\u011fi\u015fken aras\u0131ndaki nokta-\u00e7ift serili korelasyonun nas\u0131l hesaplanaca\u011f\u0131 a\u00e7\u0131klanmaktad\u0131r.<\/span><\/p>\n<h3> <strong><span style=\"color: #000000;\">\u00d6rnek: Python&#8217;da nokta-\u00e7ift serili korelasyon<\/span><\/strong><\/h3>\n<p> <span style=\"color: #000000;\">Bir ikili de\u011fi\u015fkenimiz (x) ve bir s\u00fcrekli de\u011fi\u015fkenimiz (y) oldu\u011funu varsayal\u0131m:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>x = [0, 1, 1, 0, 0, 0, 1, 0, 1, 1, 0]\ny = [12, 14, 17, 17, 11, 22, 23, 11, 19, 8, 12]\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">\u0130ki de\u011fi\u015fken aras\u0131ndaki nokta-\u00e7ift serili korelasyonu hesaplamak i\u00e7in scipy.stats k\u00fct\u00fcphanesindeki <a href=\"https:\/\/docs.scipy.org\/doc\/scipy\/reference\/generated\/scipy.stats.pointbiserialr.html\" target=\"_blank\" rel=\"noopener\">pointbiserialr()<\/a> fonksiyonunu kullanabiliriz.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Bu fonksiyonun kar\u015f\u0131l\u0131k gelen p de\u011feriyle birlikte bir korelasyon katsay\u0131s\u0131 d\u00f6nd\u00fcrd\u00fc\u011f\u00fcn\u00fc unutmay\u0131n:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #107d3f;\">import<\/span> scipy.stats <span style=\"color: #107d3f;\">as<\/span> stats\n\n<span style=\"color: #008080;\">#calculate point-biserial correlation<\/span>\nstats. <span style=\"color: #3366ff;\">pointbiserialr<\/span> (x,y)\n\nPointbiserialrResult(correlation=0.21816, pvalue=0.51928)\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Nokta-\u00e7ift serili korelasyon katsay\u0131s\u0131 <strong>0,21816&#8217;d\u0131r<\/strong> ve kar\u015f\u0131l\u0131k gelen p de\u011feri <strong>0,51928&#8217;dir<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Korelasyon katsay\u0131s\u0131n\u0131n pozitif olmas\u0131, x de\u011fi\u015fkeninin &#8220;1&#8221; de\u011ferini almas\u0131 durumunda y de\u011fi\u015fkeninin, x de\u011fi\u015fkeninin &#8220;0&#8221; de\u011ferini almas\u0131na g\u00f6re daha y\u00fcksek de\u011ferler alma e\u011filiminde oldu\u011funu g\u00f6sterir.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Bu korelasyonun p de\u011feri 0,05&#8217;ten k\u00fc\u00e7\u00fck olmad\u0131\u011f\u0131 i\u00e7in bu korelasyon istatistiksel olarak anlaml\u0131 de\u011fildir.<\/span><\/p>\n<p> <em><span style=\"color: #000000;\">Bu korelasyonun nas\u0131l hesapland\u0131\u011f\u0131na ili\u015fkin tam ayr\u0131nt\u0131lar\u0131 scipy.stats belgelerinde bulabilirsiniz<\/span> <span style=\"color: #000000;\"><a href=\"https:\/\/docs.scipy.org\/doc\/scipy\/reference\/generated\/scipy.stats.pointbiserialr.html\" target=\"_blank\" rel=\"noopener\">.<\/a><\/span><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Nokta-\u00e7ift serili korelasyon, ikili de\u011fi\u015fken x ile s\u00fcrekli de\u011fi\u015fken y aras\u0131ndaki ili\u015fkiyi \u00f6l\u00e7mek i\u00e7in kullan\u0131l\u0131r. Pearson korelasyon katsay\u0131s\u0131na benzer \u015fekilde, nokta-\u00e7ift serili korelasyon katsay\u0131s\u0131 -1 ile 1 aras\u0131nda bir de\u011fer al\u0131r; burada: -1, iki de\u011fi\u015fken aras\u0131nda tamamen negatif bir korelasyon oldu\u011funu g\u00f6sterir 0, iki de\u011fi\u015fken aras\u0131nda korelasyon olmad\u0131\u011f\u0131n\u0131 g\u00f6sterir 1, iki de\u011fi\u015fken aras\u0131nda m\u00fckemmel pozitif [&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-885","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>Python&#039;da nokta-\u00e7ift serili korelasyon nas\u0131l hesaplan\u0131r - Statorials<\/title>\n<meta name=\"description\" content=\"Python&#039;da nokta-\u00e7ift serili korelasyonun nas\u0131l hesaplanaca\u011f\u0131na 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\/nokta-cift-serili-korelasyon-pitonu\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Python&#039;da nokta-\u00e7ift serili korelasyon nas\u0131l hesaplan\u0131r - 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