{"id":1373,"date":"2023-07-26T15:59:42","date_gmt":"2023-07-26T15:59:42","guid":{"rendered":"https:\/\/statorials.org\/tr\/rde-chow-testi\/"},"modified":"2023-07-26T15:59:42","modified_gmt":"2023-07-26T15:59:42","slug":"rde-chow-testi","status":"publish","type":"post","link":"https:\/\/statorials.org\/tr\/rde-chow-testi\/","title":{"rendered":"R&#39;de chow testi nas\u0131l yap\u0131l\u0131r"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">\u0130ki farkl\u0131 regresyon modelinin farkl\u0131 veri setleri \u00fczerindeki katsay\u0131lar\u0131n\u0131n e\u015fit olup olmad\u0131\u011f\u0131n\u0131 test etmek i\u00e7in <a href=\"https:\/\/statorials.org\/tr\/gida-testi\/\" target=\"_blank\" rel=\"noopener\">Chow testi<\/a> kullan\u0131l\u0131r.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Bu test tipik olarak ekonometri alan\u0131nda zaman serisi verileriyle belirli bir zamanda verilerde yap\u0131sal bir k\u0131r\u0131lma olup olmad\u0131\u011f\u0131n\u0131 belirlemek i\u00e7in kullan\u0131l\u0131r.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Bu e\u011fitimde R&#8217;de Chow testinin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fine ili\u015fkin ad\u0131m ad\u0131m bir \u00f6rnek sunulmaktad\u0131r.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>1. Ad\u0131m: Verileri olu\u015fturun<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">\u0130lk \u00f6nce sahte veriler olu\u015fturaca\u011f\u0131z:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create data<\/span>\ndata &lt;- data.frame(x = c(1, 1, 2, 3, 4, 4, 5, 5, 6, 7, 7, 8, 8, 9, 10, 10,\n                         11, 12, 12, 13, 14, 15, 15, 16, 17, 18, 18, 19, 20, 20),\n                   y = c(3, 5, 6, 10, 13, 15, 17, 14, 20, 23, 25, 27, 30, 30, 31,\n                         33, 32, 32, 30, 32, 34, 34, 37, 35, 34, 36, 34, 37, 38, 36))\n\n<span style=\"color: #008080;\">#view first six rows of data<\/span>\nhead(data)\n\n  xy\n1 1 3\n2 1 5\n3 2 6\n4 3 10\n5 4 13\n6 4 15\n<\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>2. Ad\u0131m: Verileri g\u00f6rselle\u015ftirin<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Daha sonra verileri g\u00f6rselle\u015ftirmek i\u00e7in basit bir da\u011f\u0131l\u0131m grafi\u011fi olu\u015fturaca\u011f\u0131z:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#load ggplot2 visualization package\n<\/span><span style=\"color: #993300;\">library<\/span> (ggplot2)\n\n<span style=\"color: #008080;\">#create scatterplot\n<\/span>ggplot(data, <span style=\"color: #3366ff;\">aes<\/span> (x = x, y = y)) +\n    geom_point(col=' <span style=\"color: #008000;\">steelblue<\/span> ', size= <span style=\"color: #008000;\">3<\/span> )\n<\/strong><\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-13615 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/bouffer1.png\" alt=\"R'de g\u0131da testi\" width=\"419\" height=\"418\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">Da\u011f\u0131l\u0131m grafi\u011finden verideki \u00f6r\u00fcnt\u00fcn\u00fcn x = 10&#8217;da de\u011fi\u015fti\u011fini g\u00f6rebiliriz. B\u00f6ylece x = 10&#8217;da veride yap\u0131sal bir k\u0131r\u0131lma noktas\u0131 olup olmad\u0131\u011f\u0131n\u0131 belirlemek i\u00e7in Chow testini yapabiliriz.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Ad\u0131m 3: Chow Testini Ger\u00e7ekle\u015ftirin<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Chow testi ger\u00e7ekle\u015ftirmek i\u00e7in <strong>strucchange<\/strong> paketindeki<\/span> <a href=\"https:\/\/www.rdocumentation.org\/packages\/strucchange\/versions\/1.5-2\/topics\/sctest\" target=\"_blank\" rel=\"noopener\">sctest<\/a> fonksiyonunu <span style=\"color: #000000;\">kullanabiliriz<\/span> :<\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#load strucchange package\n<\/span><span style=\"color: #993300;\">library<\/span> (strucchange)\n\n<span style=\"color: #008080;\">#perform Chow test<\/span>\nsctest(data$y ~ data$x, type = \" <span style=\"color: #008000;\">Chow<\/span> \", point = <span style=\"color: #008000;\">10<\/span> )\n\n\tChow test\n\ndata: data$y ~ data$x\nF = 110.14, p-value = 2.023e-13\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Test sonucundan \u015funlar\u0131 g\u00f6rebiliriz:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>F-testi<\/strong> <strong>istatisti\u011fi<\/strong> : 110.14<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>p-de\u011feri:<\/strong> &lt;.0000<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">P de\u011feri 0,05&#8217;ten k\u00fc\u00e7\u00fck oldu\u011fundan testin s\u0131f\u0131r hipotezini reddedebiliriz. Bu, verilerde yap\u0131sal bir k\u0131r\u0131lma noktas\u0131n\u0131n mevcut oldu\u011funu s\u00f6ylemek i\u00e7in yeterli kan\u0131t\u0131m\u0131z oldu\u011fu anlam\u0131na gelir.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Ba\u015fka bir deyi\u015fle, iki regresyon \u00e7izgisi, modeli verilere tek bir regresyon \u00e7izgisine g\u00f6re daha etkili bir \u015fekilde s\u0131\u011fd\u0131rabilir.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0130ki farkl\u0131 regresyon modelinin farkl\u0131 veri setleri \u00fczerindeki katsay\u0131lar\u0131n\u0131n e\u015fit olup olmad\u0131\u011f\u0131n\u0131 test etmek i\u00e7in Chow testi kullan\u0131l\u0131r. Bu test tipik olarak ekonometri alan\u0131nda zaman serisi verileriyle belirli bir zamanda verilerde yap\u0131sal bir k\u0131r\u0131lma olup olmad\u0131\u011f\u0131n\u0131 belirlemek i\u00e7in kullan\u0131l\u0131r. Bu e\u011fitimde R&#8217;de Chow testinin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fine ili\u015fkin ad\u0131m ad\u0131m bir \u00f6rnek sunulmaktad\u0131r. 1. Ad\u0131m: Verileri [&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-1373","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 - Statorialsde Chow Testi Nas\u0131l Yap\u0131l\u0131r<\/title>\n<meta name=\"description\" content=\"Bu e\u011fitimde, ad\u0131m ad\u0131m bir \u00f6rnek de dahil olmak \u00fczere R&#039;de bir Chow testinin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fi 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\/rde-chow-testi\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"R - Statorialsde Chow Testi Nas\u0131l Yap\u0131l\u0131r\" \/>\n<meta property=\"og:description\" content=\"Bu e\u011fitimde, ad\u0131m ad\u0131m bir \u00f6rnek de dahil olmak \u00fczere R&#039;de bir Chow testinin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fi a\u00e7\u0131klanmaktad\u0131r.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/tr\/rde-chow-testi\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-26T15:59:42+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/bouffer1.png\" \/>\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\/rde-chow-testi\/\",\"url\":\"https:\/\/statorials.org\/tr\/rde-chow-testi\/\",\"name\":\"R - Statorialsde Chow Testi Nas\u0131l Yap\u0131l\u0131r\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/tr\/#website\"},\"datePublished\":\"2023-07-26T15:59:42+00:00\",\"dateModified\":\"2023-07-26T15:59:42+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/tr\/#\/schema\/person\/365dc158a39a7c8ae256355451e3de48\"},\"description\":\"Bu e\u011fitimde, ad\u0131m ad\u0131m bir \u00f6rnek de dahil olmak \u00fczere R&#39;de bir Chow testinin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fi a\u00e7\u0131klanmaktad\u0131r.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/tr\/rde-chow-testi\/#breadcrumb\"},\"inLanguage\":\"tr\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/tr\/rde-chow-testi\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/tr\/rde-chow-testi\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Ev\",\"item\":\"https:\/\/statorials.org\/tr\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"R&#39;de chow 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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