{"id":634,"date":"2023-07-29T06:38:44","date_gmt":"2023-07-29T06:38:44","guid":{"rendered":"https:\/\/statorials.org\/tr\/levenes-durum-testi\/"},"modified":"2023-07-29T06:38:44","modified_gmt":"2023-07-29T06:38:44","slug":"levenes-durum-testi","status":"publish","type":"post","link":"https:\/\/statorials.org\/tr\/levenes-durum-testi\/","title":{"rendered":"Stata'da levene testi nas\u0131l yap\u0131l\u0131r?"},"content":{"rendered":"

<\/p>\n

\n

Levene testi,<\/strong> iki veya daha fazla grubun e\u015fit varyansa sahip olup olmad\u0131\u011f\u0131n\u0131 belirlemek i\u00e7in kullan\u0131l\u0131r. Bu istatistikte yayg\u0131n olarak kullan\u0131lan bir testtir \u00e7\u00fcnk\u00fc bir\u00e7ok istatistiksel test, gruplar\u0131n e\u015fit varyanslara sahip oldu\u011fu varsay\u0131m\u0131na dayan\u0131r.<\/span><\/p>\n

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

\u00d6rnek: Stata’da Levene testi<\/strong><\/span><\/h2>\n

Bu \u00f6rnek i\u00e7in, cinsiyete g\u00f6re farkl\u0131l\u0131k g\u00f6steren, belirli bir t\u0131bbi prosed\u00fcr i\u00e7in hastaneye yat\u0131r\u0131lan 1.778 farkl\u0131 hastan\u0131n kal\u0131\u015f s\u00fcresine ili\u015fkin bilgileri i\u00e7eren kal\u0131\u015f<\/em> veri setini kullanaca\u011f\u0131z. Veri seti 884 erkek ve 894 kad\u0131n i\u00e7ermektedir.<\/span><\/p>\n

Kad\u0131nlar ve erkekler aras\u0131nda kal\u0131\u015f s\u00fcresi farkl\u0131l\u0131klar\u0131n\u0131n e\u015fit olup olmad\u0131\u011f\u0131n\u0131 belirlemek amac\u0131yla Levene testini ger\u00e7ekle\u015ftirmek i\u00e7in a\u015fa\u011f\u0131daki ad\u0131mlar\u0131 kullan\u0131n.<\/span><\/p>\n

Ad\u0131m 1: Verileri y\u00fckleyin ve g\u00f6r\u00fcnt\u00fcleyin.<\/strong><\/span><\/p>\n

Veri k\u00fcmesini Stata’ya y\u00fcklemek i\u00e7in a\u015fa\u011f\u0131daki komutu kullan\u0131n.<\/span><\/p>\n

\n

https:\/\/www.stata-press.com\/data\/r13\/stay adresini kullan\u0131n<\/strong><\/span><\/p>\n<\/blockquote>\n

A\u015fa\u011f\u0131daki komutu kullanarak ilk on veri sat\u0131r\u0131n\u0131 g\u00f6r\u00fcnt\u00fcleyin:<\/span><\/p>\n

\n

1\/10’daki liste<\/strong><\/span> <\/p>\n<\/blockquote>\n

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

\u0130lk s\u00fctun bireyin kal\u0131\u015f s\u00fcresini (g\u00fcn cinsinden), ikinci s\u00fctun ise bireyin cinsiyetini g\u00f6stermektedir.<\/span><\/p>\n

Ad\u0131m 2: Levene testini ger\u00e7ekle\u015ftirin.<\/strong><\/span><\/p>\n

Levene testini ger\u00e7ekle\u015ftirmek i\u00e7in a\u015fa\u011f\u0131daki s\u00f6zdizimini kullanaca\u011f\u0131z:<\/span><\/p>\n

robvar \u00f6l\u00e7\u00fc_de\u011fi\u015fkeni, by (grouping_variable)<\/strong><\/span><\/p>\n

Bizim durumumuzda a\u015fa\u011f\u0131daki s\u00f6zdizimini kullanaca\u011f\u0131z:<\/span><\/p>\n

\n

robvar kal\u0131\u015f s\u00fcresi, (cinsiyete g\u00f6re)<\/strong><\/span> <\/p>\n<\/blockquote>\n

\"Stata<\/p>\n

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

\u00d6zet tablo:<\/strong> Bu tablo, erkekler ve kad\u0131nlar i\u00e7in ortalama kal\u0131\u015f s\u00fcresini, kal\u0131\u015f s\u00fcresinin standart sapmas\u0131n\u0131 ve toplam g\u00f6zlemleri g\u00f6sterir. Kal\u0131\u015f s\u00fcresinin standart sapmas\u0131n\u0131n erkeklerde (9,7884747) kad\u0131nlara g\u00f6re (9,1081478) daha y\u00fcksek oldu\u011funu g\u00f6rebiliriz ancak bu fark\u0131n istatistiksel olarak anlaml\u0131 olup olmad\u0131\u011f\u0131n\u0131 bize Levene testi s\u00f6yleyecektir.<\/span><\/p>\n

W0: 0,55505315<\/strong> . Bu ortalama merkezli Levene test istatisti\u011fidir. Kar\u015f\u0131l\u0131k gelen p de\u011feri 0,45625888’dir<\/strong> .<\/span><\/p>\n

W50: 0,42714734<\/strong> . Bu medyan merkezli Levene test istatisti\u011fidir. Kar\u015f\u0131l\u0131k gelen p de\u011feri 0,51347664’t\u00fcr<\/strong> .<\/span><\/p>\n

W10: 0,44577674<\/strong> . Bunlar, %10’luk kesilmi\u015f ortalamaya odaklanan Levene test istatistikleridir; yani, testi a\u015f\u0131r\u0131 derecede etkilememek i\u00e7in de\u011ferlerin \u00fcst %5’i ve alt %5’i k\u0131salt\u0131lm\u0131\u015ft\u0131r. Kar\u015f\u0131l\u0131k gelen p de\u011feri 0,50443411’dir<\/strong> .<\/span><\/p>\n

Levene testinin hangi versiyonunu kullan\u0131rsan\u0131z kullan\u0131n, her versiyonun p de\u011feri 0,05’ten az de\u011fildir. Bu durum, kad\u0131n ve erkek aras\u0131nda kal\u0131\u015f s\u00fcresi varyans\u0131nda istatistiksel olarak anlaml\u0131 bir fark olmad\u0131\u011f\u0131n\u0131 g\u00f6stermektedir.<\/span><\/p>\n

Not:<\/strong> Conover, Johnson ve Johnson (1981), daha do\u011fru sonu\u00e7lar verme e\u011filiminde oldu\u011fundan \u00e7arp\u0131k veriler i\u00e7in medyan testinin kullan\u0131lmas\u0131n\u0131 \u00f6nermektedir. Simetrik veriler i\u00e7in medyan testi ve ortalama testi benzer sonu\u00e7lar \u00fcretecektir.<\/em><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

Levene testi, iki veya daha fazla grubun e\u015fit varyansa sahip olup olmad\u0131\u011f\u0131n\u0131 belirlemek i\u00e7in kullan\u0131l\u0131r. Bu istatistikte yayg\u0131n olarak kullan\u0131lan bir testtir \u00e7\u00fcnk\u00fc bir\u00e7ok istatistiksel test, gruplar\u0131n e\u015fit varyanslara sahip oldu\u011fu varsay\u0131m\u0131na dayan\u0131r. Bu e\u011fitimde Stata’da Levene testinin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fi a\u00e7\u0131klanmaktad\u0131r. \u00d6rnek: Stata’da Levene testi Bu \u00f6rnek i\u00e7in, cinsiyete g\u00f6re farkl\u0131l\u0131k g\u00f6steren, belirli bir t\u0131bbi […]<\/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-634","post","type-post","status-publish","format-standard","hentry","category-rehber"],"yoast_head":"\nStata'da Levene testi nas\u0131l yap\u0131l\u0131r - Statorials<\/title>\n<meta name=\"description\" content=\"Stata'da Levene testinin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fine dair ad\u0131m ad\u0131m \u00f6rnek i\u00e7eren 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\/levenes-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 Levene testi nas\u0131l yap\u0131l\u0131r - Statorials\" \/>\n<meta property=\"og:description\" content=\"Stata'da Levene testinin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fine dair ad\u0131m ad\u0131m \u00f6rnek i\u00e7eren basit bir a\u00e7\u0131klama.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/tr\/levenes-durum-testi\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-29T06:38:44+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/levenestata1.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\/levenes-durum-testi\/\",\"url\":\"https:\/\/statorials.org\/tr\/levenes-durum-testi\/\",\"name\":\"Stata'da Levene testi nas\u0131l yap\u0131l\u0131r - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/tr\/#website\"},\"datePublished\":\"2023-07-29T06:38:44+00:00\",\"dateModified\":\"2023-07-29T06:38:44+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/tr\/#\/schema\/person\/365dc158a39a7c8ae256355451e3de48\"},\"description\":\"Stata'da Levene testinin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fine dair ad\u0131m ad\u0131m \u00f6rnek i\u00e7eren basit bir a\u00e7\u0131klama.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/tr\/levenes-durum-testi\/#breadcrumb\"},\"inLanguage\":\"tr\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/tr\/levenes-durum-testi\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/tr\/levenes-durum-testi\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Ev\",\"item\":\"https:\/\/statorials.org\/tr\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Stata'da levene 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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