{"id":570,"date":"2023-07-29T11:33:50","date_gmt":"2023-07-29T11:33:50","guid":{"rendered":"https:\/\/statorials.org\/tr\/duzlesme-negatif-olabilir-mi\/"},"modified":"2023-07-29T11:33:50","modified_gmt":"2023-07-29T11:33:50","slug":"duzlesme-negatif-olabilir-mi","status":"publish","type":"post","link":"https:\/\/statorials.org\/tr\/duzlesme-negatif-olabilir-mi\/","title":{"rendered":"Bas\u0131kl\u0131k negatif olabilir mi?"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">\u0130statistikte <strong>bas\u0131kl\u0131k<\/strong> olas\u0131l\u0131k da\u011f\u0131l\u0131m\u0131n\u0131n \u015feklini tan\u0131mlamak i\u00e7in kullan\u0131l\u0131r.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Spesifik olarak, veri de\u011ferlerinin bir da\u011f\u0131l\u0131m\u0131n kuyruklar\u0131nda veya tepesinde ne kadar iyi k\u00fcmelendi\u011fini bize anlat\u0131r.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Bir da\u011f\u0131l\u0131m\u0131n bas\u0131kl\u0131\u011f\u0131 negatif, s\u0131f\u0131r veya pozitif olabilir.<\/strong><\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>S\u0131f\u0131r Bas\u0131kl\u0131k<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Bir da\u011f\u0131l\u0131m\u0131n bas\u0131kl\u0131\u011f\u0131 0 ise, a\u015fa\u011f\u0131daki \u00e7an \u015fekline sahip normal da\u011f\u0131l\u0131ma e\u015fittir:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-5122 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/aplatissement1.png\" alt=\"Normal da\u011f\u0131l\u0131mdaki bas\u0131kl\u0131k \u00f6rne\u011fi\" width=\"616\" height=\"382\" srcset=\"\" sizes=\"auto, \"><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Pozitif bas\u0131kl\u0131k<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Bir da\u011f\u0131l\u0131m pozitif bas\u0131kl\u0131\u011fa sahipse <strong>leptokurtik<\/strong> oldu\u011fu s\u00f6ylenir, yani normal da\u011f\u0131l\u0131mla kar\u015f\u0131la\u015ft\u0131r\u0131ld\u0131\u011f\u0131nda daha keskin bir zirveye ve daha a\u011f\u0131r kuyruklara sahiptir.<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-5123 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/aplatissement2.png\" alt=\"\" width=\"622\" height=\"439\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Bu basit\u00e7e, ortalaman\u0131n yak\u0131n\u0131nda daha az veri de\u011ferinin bulundu\u011fu ve kuyruklarda daha fazla veri de\u011ferinin bulundu\u011fu anlam\u0131na gelir.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Pozitif bas\u0131kl\u0131\u011fa sahip en bilinen da\u011f\u0131l\u0131m, normal da\u011f\u0131l\u0131ma g\u00f6re daha keskin tepe noktas\u0131na ve daha a\u011f\u0131r kuyruklara sahip olan t da\u011f\u0131l\u0131m\u0131d\u0131r.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Negatif bas\u0131kl\u0131k<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Bir da\u011f\u0131l\u0131m negatif bas\u0131kl\u0131\u011fa sahipse buna <strong>platykurtic<\/strong> denir, yani normal da\u011f\u0131l\u0131mla kar\u015f\u0131la\u015ft\u0131r\u0131ld\u0131\u011f\u0131nda daha d\u00fcz bir zirveye ve daha ince kuyruklara sahiptir.<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-5124 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/aplatissement3.png\" alt=\"Negatif bas\u0131kl\u0131k \u00f6rne\u011fi\" width=\"614\" height=\"366\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Bu basit\u00e7e, ortalaman\u0131n yak\u0131n\u0131nda daha fazla veri de\u011ferinin yer ald\u0131\u011f\u0131 ve kuyruklarda daha az veri de\u011ferinin bulundu\u011fu anlam\u0131na gelir.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Negatif bas\u0131kl\u0131k sergileyen bir da\u011f\u0131l\u0131m\u0131n en u\u00e7 \u00f6rne\u011fi, tepe noktalar\u0131 olmayan ve tamamen d\u00fcz bir da\u011f\u0131l\u0131m olan <a href=\"https:\/\/statorials.org\/tr\/uniforma-dagitimi\/\" target=\"_blank\" rel=\"noopener\">tekd\u00fcze da\u011f\u0131l\u0131md\u0131r<\/a> .<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Pratikte iltifat ne zaman kullan\u0131lmal\u0131?<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Uygulamada, verileri daha iyi anlamaya \u00e7al\u0131\u015f\u0131rken genellikle analizin ke\u015fif a\u015famas\u0131nda bir da\u011f\u0131l\u0131m\u0131n <strong>bas\u0131kl\u0131\u011f\u0131n\u0131<\/strong> \u00f6l\u00e7eriz.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Yani bas\u0131kl\u0131\u011f\u0131n pozitif oldu\u011funu g\u00f6r\u00fcrsek, merkeze yak\u0131n daha az veri de\u011ferine sahip ve kuyruklar boyunca daha fazla veri de\u011ferine sahip bir da\u011f\u0131l\u0131mla \u00e7al\u0131\u015ft\u0131\u011f\u0131m\u0131z\u0131 biliyoruz.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Tersine, bas\u0131kl\u0131\u011f\u0131n negatif oldu\u011funu g\u00f6r\u00fcrsek, merkeze yak\u0131n daha fazla veri de\u011ferine sahip ve kuyruklarda daha az veri de\u011ferine sahip bir da\u011f\u0131l\u0131mla \u00e7al\u0131\u015ft\u0131\u011f\u0131m\u0131z\u0131 biliyoruz.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Ek kaynaklar<\/strong><\/span><\/h3>\n<p> Belirli bir da\u011f\u0131l\u0131m\u0131n \u00e7arp\u0131kl\u0131\u011f\u0131n\u0131 ve bas\u0131kl\u0131\u011f\u0131n\u0131 bulmak i\u00e7in, bu <a href=\"https:\/\/statorials.org\/tr\" target=\"_blank\" rel=\"noopener noreferrer\">\u00e7arp\u0131kl\u0131k ve bas\u0131kl\u0131k hesaplay\u0131c\u0131s\u0131na<\/a> <span style=\"color: #000000;\">ham veri de\u011ferlerini girebilirsiniz<\/span> <span style=\"color: #000000;\">; bu, size da\u011f\u0131l\u0131m\u0131n hem \u00e7arp\u0131kl\u0131\u011f\u0131n\u0131 hem de bas\u0131kl\u0131\u011f\u0131n\u0131 s\u00f6yleyecektir.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Belirli bir da\u011f\u0131l\u0131m\u0131n normal da\u011f\u0131l\u0131ma kar\u015f\u0131l\u0131k gelen \u00e7arp\u0131kl\u0131k ve bas\u0131kl\u0131k g\u00f6sterip g\u00f6stermedi\u011fini belirlemek i\u00e7in kullan\u0131lan en pop\u00fcler istatistiksel testlerden biri Jarque<\/span> <a href=\"https:\/\/statorials.org\/tr\/rde-jarque-bera-testi-nasil-yapilir\/\" target=\"_blank\" rel=\"noopener noreferrer\">Bera testidir<\/a> .<\/p>\n<p> <span style=\"color: #000000;\">Khan Academy&#8217;nin ayr\u0131ca<\/span> <span style=\"color: #000000;\">da\u011f\u0131t\u0131m \u015fekillerinin nas\u0131l s\u0131n\u0131fland\u0131r\u0131laca\u011f\u0131n\u0131 a\u00e7\u0131klayan<\/span> <a href=\"https:\/\/www.khanacademy.org\/math\/probability\/data-distributions-a1\/displays-of-distributions\/v\/shapes-of-distributions\" target=\"_blank\" rel=\"noopener noreferrer\">g\u00fczel bir video serisi<\/a> de var.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0130statistikte bas\u0131kl\u0131k olas\u0131l\u0131k da\u011f\u0131l\u0131m\u0131n\u0131n \u015feklini tan\u0131mlamak i\u00e7in kullan\u0131l\u0131r. Spesifik olarak, veri de\u011ferlerinin bir da\u011f\u0131l\u0131m\u0131n kuyruklar\u0131nda veya tepesinde ne kadar iyi k\u00fcmelendi\u011fini bize anlat\u0131r. Bir da\u011f\u0131l\u0131m\u0131n bas\u0131kl\u0131\u011f\u0131 negatif, s\u0131f\u0131r veya pozitif olabilir. S\u0131f\u0131r Bas\u0131kl\u0131k Bir da\u011f\u0131l\u0131m\u0131n bas\u0131kl\u0131\u011f\u0131 0 ise, a\u015fa\u011f\u0131daki \u00e7an \u015fekline sahip normal da\u011f\u0131l\u0131ma e\u015fittir: Pozitif bas\u0131kl\u0131k Bir da\u011f\u0131l\u0131m pozitif bas\u0131kl\u0131\u011fa sahipse leptokurtik oldu\u011fu s\u00f6ylenir, [&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-570","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>Bas\u0131kl\u0131k negatif olabilir mi? - Statorials<\/title>\n<meta name=\"description\" content=\"Olas\u0131l\u0131k da\u011f\u0131l\u0131m\u0131 i\u00e7in bas\u0131kl\u0131\u011f\u0131n neden negatif olabilece\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\/duzlesme-negatif-olabilir-mi\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Bas\u0131kl\u0131k negatif olabilir mi? 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