{"id":676,"date":"2023-07-29T03:21:05","date_gmt":"2023-07-29T03:21:05","guid":{"rendered":"https:\/\/statorials.org\/tr\/breusch-pagan-testi-r\/"},"modified":"2023-07-29T03:21:05","modified_gmt":"2023-07-29T03:21:05","slug":"breusch-pagan-testi-r","status":"publish","type":"post","link":"https:\/\/statorials.org\/tr\/breusch-pagan-testi-r\/","title":{"rendered":"R&#39;de breusch-pagan testi nas\u0131l yap\u0131l\u0131r"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Bir regresyon analizinde<\/span> <a href=\"https:\/\/statorials.org\/tr\/degisen-varyans-regresyonu\/\" target=\"_blank\" rel=\"noopener\">de\u011fi\u015fen varyans\u0131n<\/a> mevcut <span style=\"color: #000000;\">olup olmad\u0131\u011f\u0131n\u0131 belirlemek i\u00e7in <a href=\"https:\/\/statorials.org\/tr\/pagan-breusch-testi\/\" target=\"_blank\" rel=\"noopener\">Breusch-Pagan testi<\/a> kullan\u0131l\u0131r<\/span> .<\/p>\n<p> <span style=\"color: #000000;\">Bu e\u011fitimde R&#8217;de Breusch-Pagan testinin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fi a\u00e7\u0131klanmaktad\u0131r.<\/span><\/p>\n<h3> <strong>\u00d6rnek: R&#8217;de Breusch-Pagan testi<\/strong><\/h3>\n<p> <span style=\"color: #000000;\">Bu \u00f6rnekte, <strong>mtcars<\/strong> yerle\u015fik R veri k\u00fcmesini kullanarak bir regresyon modeli yerle\u015ftirece\u011fiz, ard\u0131ndan heteroskedastisitenin mevcut olup olmad\u0131\u011f\u0131n\u0131 belirlemek i\u00e7in <strong>lmtest<\/strong> kitapl\u0131\u011f\u0131ndan <strong>bptest<\/strong> i\u015flevini kullanarak bir Breusch-Pagan testi ger\u00e7ekle\u015ftirece\u011fiz.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Ad\u0131m 1: Bir regresyon modeli yerle\u015ftirin.<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">\u0130lk olarak, yan\u0131t de\u011fi\u015fkeni olarak <strong>mpg&#8217;yi<\/strong> ve iki a\u00e7\u0131klay\u0131c\u0131 de\u011fi\u015fken olarak <strong>disp<\/strong> ve <strong>hp&#8217;yi<\/strong> kullanarak bir regresyon modeli uygulayaca\u011f\u0131z.<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#load the dataset<\/span>\ndata(mtcars)\n\n<span style=\"color: #008080;\">#fit a regression model<\/span>\nmodel &lt;- lm(mpg~disp+hp, data=mtcars)\n\n<span style=\"color: #008080;\">#view model summary\n<\/span>summary(model)\n\nCoefficients:\n             Estimate Std. Error t value Pr(&gt;|t|)    \n(Intercept) 30.735904 1.331566 23.083 &lt; 2nd-16 ***\navailable -0.030346 0.007405 -4.098 0.000306 ***\nhp -0.024840 0.013385 -1.856 0.073679 .  \n---\nSignificant. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1\n\nResidual standard error: 3.127 on 29 degrees of freedom\nMultiple R-squared: 0.7482, Adjusted R-squared: 0.7309 \nF-statistic: 43.09 on 2 and 29 DF, p-value: 2.062e-09\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>Ad\u0131m 2: Breusch-Pagan testi yap\u0131n.<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">Daha sonra, de\u011fi\u015fen varyans\u0131n mevcut olup olmad\u0131\u011f\u0131n\u0131 belirlemek i\u00e7in Breusch-Pagan testi uygulayaca\u011f\u0131z.<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#load lmtest library<\/span>\nlibrary(lmtest)\n\n<span style=\"color: #008080;\">#perform Breusch-Pagan Test<\/span>\nbptest(model)\n\n\tstudentized Breusch-Pagan test\n\ndata: model\nBP = 4.0861, df = 2, p-value = 0.1296\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Test istatisti\u011fi <strong>4,0861&#8217;dir<\/strong> ve buna kar\u015f\u0131l\u0131k gelen p de\u011feri <strong>0,1296&#8217;d\u0131r<\/strong> . P de\u011feri 0,05&#8217;ten k\u00fc\u00e7\u00fck olmad\u0131\u011f\u0131ndan s\u0131f\u0131r hipotezini reddedemiyoruz. Regresyon modelinde de\u011fi\u015fen varyans\u0131n mevcut oldu\u011funu iddia edecek yeterli kan\u0131t\u0131m\u0131z yok.<\/span><\/p>\n<h2> <strong>Sonra ne yapaca\u011f\u0131z<\/strong><\/h2>\n<p> <span style=\"color: #000000;\">Breusch-Pagan testinin s\u0131f\u0131r hipotezini reddetmezseniz, bu durumda heteroskedastisite mevcut de\u011fildir ve orijinal regresyonun sonucunu yorumlamaya devam edebilirsiniz.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Ancak s\u0131f\u0131r hipotezini reddederseniz bu, verilerde de\u011fi\u015fen varyans\u0131n mevcut oldu\u011fu anlam\u0131na gelir. Bu durumda regresyon \u00e7\u0131kt\u0131 tablosunda g\u00f6r\u00fcnt\u00fclenen standart hatalar g\u00fcvenilir olmayabilir.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Bu sorunu \u00e7\u00f6zmenin birka\u00e7 yayg\u0131n yolu vard\u0131r:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>1. Yan\u0131t de\u011fi\u015fkenini d\u00f6n\u00fc\u015ft\u00fcr\u00fcn.<\/strong> Yan\u0131t de\u011fi\u015fkeni \u00fczerinde bir d\u00f6n\u00fc\u015f\u00fcm ger\u00e7ekle\u015ftirmeyi deneyebilirsiniz. \u00d6rne\u011fin, orijinal yan\u0131t de\u011fi\u015fkeni yerine <a href=\"https:\/\/statorials.org\/tr\/verileri-rye-donustur\/\" target=\"_blank\" rel=\"noopener\">g\u00fcnl\u00fck yan\u0131t de\u011fi\u015fkenini<\/a> kullanabilirsiniz. Genel olarak, yan\u0131t de\u011fi\u015fkeninin logunun al\u0131nmas\u0131 de\u011fi\u015fen varyansl\u0131l\u0131\u011f\u0131 ortadan kald\u0131rman\u0131n etkili bir yoludur. Di\u011fer bir yayg\u0131n d\u00f6n\u00fc\u015f\u00fcm, yan\u0131t de\u011fi\u015fkeninin karek\u00f6k\u00fcn\u00fcn kullan\u0131lmas\u0131d\u0131r.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>2. A\u011f\u0131rl\u0131kl\u0131 regresyon kullan\u0131n.<\/strong> Bu regresyon t\u00fcr\u00fc, her veri noktas\u0131na, uydurulan de\u011ferin varyans\u0131na ba\u011fl\u0131 olarak bir a\u011f\u0131rl\u0131k atar. Temel olarak bu, daha y\u00fcksek varyansa sahip veri noktalar\u0131na d\u00fc\u015f\u00fck a\u011f\u0131rl\u0131k vererek bunlar\u0131n kalan karelerini azalt\u0131r. Uygun a\u011f\u0131rl\u0131klar kullan\u0131ld\u0131\u011f\u0131nda de\u011fi\u015fen varyans sorunu ortadan kald\u0131r\u0131labilir.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Bir regresyon analizinde de\u011fi\u015fen varyans\u0131n mevcut olup olmad\u0131\u011f\u0131n\u0131 belirlemek i\u00e7in Breusch-Pagan testi kullan\u0131l\u0131r . Bu e\u011fitimde R&#8217;de Breusch-Pagan testinin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fi a\u00e7\u0131klanmaktad\u0131r. \u00d6rnek: R&#8217;de Breusch-Pagan testi Bu \u00f6rnekte, mtcars yerle\u015fik R veri k\u00fcmesini kullanarak bir regresyon modeli yerle\u015ftirece\u011fiz, ard\u0131ndan heteroskedastisitenin mevcut olup olmad\u0131\u011f\u0131n\u0131 belirlemek i\u00e7in lmtest kitapl\u0131\u011f\u0131ndan bptest i\u015flevini kullanarak bir Breusch-Pagan testi ger\u00e7ekle\u015ftirece\u011fiz. Ad\u0131m [&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-676","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 Breusch-Pagan testi nas\u0131l yap\u0131l\u0131r<\/title>\n<meta name=\"description\" content=\"Bir \u00f6rnekle R&#039;de Breusch-Pagan 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\/breusch-pagan-testi-r\/\" \/>\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 Breusch-Pagan testi nas\u0131l yap\u0131l\u0131r\" \/>\n<meta property=\"og:description\" content=\"Bir \u00f6rnekle R&#039;de Breusch-Pagan testinin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fine dair basit bir a\u00e7\u0131klama.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/tr\/breusch-pagan-testi-r\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-29T03:21:05+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\/breusch-pagan-testi-r\/\",\"url\":\"https:\/\/statorials.org\/tr\/breusch-pagan-testi-r\/\",\"name\":\"R - Statorials&#39;de Breusch-Pagan testi nas\u0131l yap\u0131l\u0131r\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/tr\/#website\"},\"datePublished\":\"2023-07-29T03:21:05+00:00\",\"dateModified\":\"2023-07-29T03:21:05+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/tr\/#\/schema\/person\/365dc158a39a7c8ae256355451e3de48\"},\"description\":\"Bir \u00f6rnekle R&#39;de Breusch-Pagan testinin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fine dair basit bir a\u00e7\u0131klama.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/tr\/breusch-pagan-testi-r\/#breadcrumb\"},\"inLanguage\":\"tr\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/tr\/breusch-pagan-testi-r\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/tr\/breusch-pagan-testi-r\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Ev\",\"item\":\"https:\/\/statorials.org\/tr\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"R&#39;de breusch-pagan 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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