{"id":626,"date":"2023-07-29T07:15:08","date_gmt":"2023-07-29T07:15:08","guid":{"rendered":"https:\/\/statorials.org\/tr\/mcnemar-durum-testi\/"},"modified":"2023-07-29T07:15:08","modified_gmt":"2023-07-29T07:15:08","slug":"mcnemar-durum-testi","status":"publish","type":"post","link":"https:\/\/statorials.org\/tr\/mcnemar-durum-testi\/","title":{"rendered":"Stata'da mcnemar testi nas\u0131l yap\u0131l\u0131r?"},"content":{"rendered":"

<\/p>\n

\n

McNemar testi,<\/strong> e\u015fle\u015ftirilmi\u015f veriler aras\u0131ndaki oranlarda istatistiksel olarak anlaml\u0131 bir fark olup olmad\u0131\u011f\u0131n\u0131 belirlemek i\u00e7in kullanabilece\u011fimiz bir testtir.<\/span><\/p>\n

Bu e\u011fitimde Stata’da McNemar testinin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fi a\u00e7\u0131klanmaktad\u0131r.<\/span><\/p>\n

\u00d6rnek: Stata’daki McNemar testi<\/strong><\/span><\/h2>\n

Diyelim ki ara\u015ft\u0131rmac\u0131lar, belirli bir pazarlama videosunun insanlar\u0131n belirli bir yasa hakk\u0131ndaki g\u00f6r\u00fc\u015flerini de\u011fi\u015ftirip de\u011fi\u015ftiremeyece\u011fini bilmek istiyor. Yasay\u0131 destekleyip desteklemediklerini \u00f6\u011frenmek i\u00e7in 100 ki\u015fiyle anket yap\u0131yorlar. Daha sonra pazarlama videosunu 100 ki\u015finin tamam\u0131na g\u00f6steriyorlar ve video bittikten sonra tekrar anket yap\u0131yorlar.<\/span><\/p>\n

A\u015fa\u011f\u0131daki tablo, videoyu izlemeden \u00f6nce ve izledikten sonra yasay\u0131 destekleyen ki\u015filerin toplam say\u0131s\u0131n\u0131 g\u00f6stermektedir:<\/span><\/p>\n\n\n\n\n\n\n
<\/th>\n Pazarlama \u00f6ncesi video<\/span><\/th>\n<\/tr>\n
Pazarlama sonras\u0131 video<\/span><\/td>\n Destek<\/span><\/strong><\/td>\n Dayanamamak<\/strong><\/span><\/td>\n<\/tr>\n
Destek<\/strong><\/span><\/td>\n 30<\/span><\/td>\n 40<\/span><\/td>\n<\/tr>\n
Dayanamamak<\/strong><\/span><\/td>\n 12<\/span><\/td>\n 18<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Videoyu izlemeden \u00f6nce ve izledikten sonra yasay\u0131 destekleyenlerin oran\u0131nda istatistiksel olarak anlaml\u0131 bir fark olup olmad\u0131\u011f\u0131n\u0131 belirlemek i\u00e7in McNemar testi yapabiliriz.<\/span><\/p>\n

Stata’da McNemar testini ger\u00e7ekle\u015ftirmek i\u00e7in mcci<\/strong> komutunu kullanabiliriz. Say\u0131mlar\u0131 2×2’lik tabloya soldan sa\u011fa, yukar\u0131dan a\u015fa\u011f\u0131ya do\u011fru giriyoruz:<\/span><\/p>\n

\n

McCi 30 40 12 18<\/strong><\/span> <\/p>\n<\/blockquote>\n

\"Stata'da<\/p>\n

Sonucun nas\u0131l yorumlanaca\u011f\u0131 a\u015fa\u011f\u0131da a\u00e7\u0131klanm\u0131\u015ft\u0131r:<\/span><\/p>\n

2 \u00d7 2 Tablo:<\/strong> Stata, vaka kontrol \u00e7al\u0131\u015fmalar\u0131nda s\u0131kl\u0131kla g\u00f6r\u00fclen geleneksel etiketleri kullanarak 2 \u00d7 2’lik bir say\u0131m tablosu g\u00f6r\u00fcnt\u00fcler. Toplam hesaplar\u0131n toplam\u0131n\u0131n 100\u2019e ula\u015ft\u0131\u011f\u0131n\u0131 g\u00f6rebiliriz.<\/span><\/p>\n

McNemar’s Chi2(1):<\/strong> Bu ki-kare testi istatisti\u011fidir ve 15,08 olarak ortaya \u00e7\u0131kar. Stata bu de\u011feri hesaplamak i\u00e7in \u015fu form\u00fcl\u00fc kullan\u0131r: (40-12) 2<\/sup> \/ (40+12) = 784 \/ 52 = 15,0769.<\/span><\/p>\n

Olas\u0131l\u0131k > chi2:<\/strong> Ki-kare testi istatisti\u011fiyle ili\u015fkili p de\u011feridir. 0,0001 oldu\u011fu ortaya \u00e7\u0131kt\u0131. Bu de\u011fer 0,05’ten k\u00fc\u00e7\u00fck oldu\u011fundan bo\u015f hipotezi reddedebilir ve pazarlama videosunu izlemeden \u00f6nce ve izledikten sonra yasay\u0131 destekleyen ki\u015filerin oran\u0131n\u0131n istatistiksel olarak anlaml\u0131 derecede farkl\u0131 oldu\u011fu sonucuna varabiliriz.<\/span><\/p>\n

Ki kare hesaplamas\u0131na ili\u015fkin bir not<\/strong><\/span><\/h3>\n

A\u015fa\u011f\u0131daki 2×2’lik tablo g\u00f6z \u00f6n\u00fcne al\u0131nd\u0131\u011f\u0131nda:<\/span><\/p>\n\n\n\n\n\n\n
<\/th>\n Pazarlama \u00f6ncesi video<\/span><\/th>\n<\/tr>\n
Pazarlama sonras\u0131 video<\/span><\/td>\n Destek<\/span><\/strong><\/td>\n Dayanamamak<\/strong><\/span><\/td>\n<\/tr>\n
Destek<\/strong><\/span><\/td>\n SAH\u0130P OLMAK<\/span><\/td>\n B<\/span><\/td>\n<\/tr>\n
Dayanamamak<\/strong><\/span><\/td>\n VS<\/span><\/td>\n D<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Stata, Ki-kare testi istatisti\u011fini hesaplamak i\u00e7in (BC) 2<\/sup> \/ (B+C) form\u00fcl\u00fcn\u00fc kullan\u0131r.<\/span><\/p>\n

Ancak baz\u0131 istatistik ders kitaplar\u0131, tablodaki baz\u0131 say\u0131lar\u0131n k\u00fc\u00e7\u00fck olmas\u0131 durumunda s\u00fcreklilik d\u00fczeltmesi olarak (|BC| \u2013 1) 2<\/sup> \/ (B+C) form\u00fcl\u00fcn\u00fcn kullan\u0131lmas\u0131n\u0131 \u00f6nermektedir. Tipik olarak bu d\u00fczeltme genellikle h\u00fccre say\u0131s\u0131 5’ten az oldu\u011funda uygulan\u0131r.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

McNemar testi, e\u015fle\u015ftirilmi\u015f veriler aras\u0131ndaki oranlarda istatistiksel olarak anlaml\u0131 bir fark olup olmad\u0131\u011f\u0131n\u0131 belirlemek i\u00e7in kullanabilece\u011fimiz bir testtir. Bu e\u011fitimde Stata’da McNemar testinin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fi a\u00e7\u0131klanmaktad\u0131r. \u00d6rnek: Stata’daki McNemar testi Diyelim ki ara\u015ft\u0131rmac\u0131lar, belirli bir pazarlama videosunun insanlar\u0131n belirli bir yasa hakk\u0131ndaki g\u00f6r\u00fc\u015flerini de\u011fi\u015ftirip de\u011fi\u015ftiremeyece\u011fini bilmek istiyor. Yasay\u0131 destekleyip desteklemediklerini \u00f6\u011frenmek i\u00e7in 100 ki\u015fiyle anket […]<\/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-626","post","type-post","status-publish","format-standard","hentry","category-rehber"],"yoast_head":"\nStata'da McNemar testi nas\u0131l yap\u0131l\u0131r - Statorials<\/title>\n<meta name=\"description\" content=\"Ad\u0131m ad\u0131m \u00f6rnek de dahil olmak \u00fczere Stata'da McNemar testinin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fine ili\u015fkin 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\/mcnemar-durum-testi\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Stata'da McNemar testi nas\u0131l yap\u0131l\u0131r - Statorials\" \/>\n<meta property=\"og:description\" content=\"Ad\u0131m ad\u0131m \u00f6rnek de dahil olmak \u00fczere Stata'da McNemar testinin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fine ili\u015fkin basit bir a\u00e7\u0131klama.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/tr\/mcnemar-durum-testi\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-29T07:15:08+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/mcnemarstata1.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\/mcnemar-durum-testi\/\",\"url\":\"https:\/\/statorials.org\/tr\/mcnemar-durum-testi\/\",\"name\":\"Stata'da McNemar testi nas\u0131l yap\u0131l\u0131r - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/tr\/#website\"},\"datePublished\":\"2023-07-29T07:15:08+00:00\",\"dateModified\":\"2023-07-29T07:15:08+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/tr\/#\/schema\/person\/365dc158a39a7c8ae256355451e3de48\"},\"description\":\"Ad\u0131m ad\u0131m \u00f6rnek de dahil olmak \u00fczere Stata'da McNemar testinin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fine ili\u015fkin basit bir a\u00e7\u0131klama.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/tr\/mcnemar-durum-testi\/#breadcrumb\"},\"inLanguage\":\"tr\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/tr\/mcnemar-durum-testi\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/tr\/mcnemar-durum-testi\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Ev\",\"item\":\"https:\/\/statorials.org\/tr\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Stata'da mcnemar 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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