{"id":612,"date":"2023-07-29T08:18:55","date_gmt":"2023-07-29T08:18:55","guid":{"rendered":"https:\/\/statorials.org\/tr\/mann-whitney-durumunu-test-ettin\/"},"modified":"2023-07-29T08:18:55","modified_gmt":"2023-07-29T08:18:55","slug":"mann-whitney-durumunu-test-ettin","status":"publish","type":"post","link":"https:\/\/statorials.org\/tr\/mann-whitney-durumunu-test-ettin\/","title":{"rendered":"Stata'da mann-whitney u testi nas\u0131l yap\u0131l\u0131r?"},"content":{"rendered":"

<\/p>\n

\n

Mann<\/span> -Whitney U testi<\/strong><\/a> (bazen Wilcoxon s\u0131ralama toplam\u0131 testi olarak da adland\u0131r\u0131l\u0131r), numune da\u011f\u0131l\u0131mlar\u0131 normal da\u011f\u0131lmad\u0131\u011f\u0131nda ve numune boyutlar\u0131 k\u00fc\u00e7\u00fck oldu\u011funda (n < 30) iki numune aras\u0131ndaki farklar\u0131 kar\u015f\u0131la\u015ft\u0131rmak i\u00e7in kullan\u0131l\u0131r. \u0130ki \u00f6rnekli t testinin<\/strong><\/a> parametrik olmayan e\u015fde\u011feri olarak kabul edilir.<\/span><\/p>\n

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

\u00d6rnek: Stata’da Mann-Whitney U testi<\/strong><\/span><\/h2>\n

Ara\u015ft\u0131rmac\u0131lar, yak\u0131t i\u015fleminin bir araban\u0131n ortalama mpg’sinde bir de\u011fi\u015fikli\u011fe neden olup olmad\u0131\u011f\u0131n\u0131 bilmek istiyor. Bunu test etmek i\u00e7in, yak\u0131t i\u015flemeli 12 araban\u0131n ve yak\u0131t i\u015flemesiz 12 araban\u0131n mpg’sini \u00f6l\u00e7t\u00fckleri bir deney y\u00fcr\u00fct\u00fcyorlar.<\/span><\/p>\n

\u00d6rnek boyutlar\u0131 k\u00fc\u00e7\u00fck oldu\u011fundan ve \u00f6rnek da\u011f\u0131l\u0131mlar\u0131n\u0131n normal da\u011f\u0131lmad\u0131\u011f\u0131ndan \u015f\u00fcphelendikleri i\u00e7in, iki grup aras\u0131nda mpg a\u00e7\u0131s\u0131ndan istatistiksel olarak anlaml\u0131 bir fark olup olmad\u0131\u011f\u0131n\u0131 belirlemek i\u00e7in Mann-Whitney U testi yapmaya karar verdiler.<\/span><\/p>\n

Stata’da Mann-Whitney U testi ger\u00e7ekle\u015ftirmek i\u00e7in a\u015fa\u011f\u0131daki ad\u0131mlar\u0131 tamamlay\u0131n.<\/span><\/p>\n

Ad\u0131m 1: Verileri y\u00fckleyin.<\/strong><\/span><\/p>\n

\u0130lk olarak, komut kutusuna https:\/\/www.stata-press.com\/data\/r13\/fuel2 komutunu<\/strong> yaz\u0131p Enter’a t\u0131klayarak verileri y\u00fckleyin.<\/span> <\/p>\n

\"Stata<\/p>\n

Ad\u0131m<\/strong> 2: Ham verileri g\u00f6r\u00fcnt\u00fcleyin.<\/strong><\/span><\/p>\n

Mann Whitney U testini yapmadan \u00f6nce \u00f6ncelikle ham verilere bakal\u0131m. \u00dcst men\u00fc \u00e7ubu\u011fundan Veri > Veri D\u00fczenleyici > Veri D\u00fczenleyici (G\u00f6zat)<\/strong> se\u00e7ene\u011fine gidin. \u0130lk s\u00fctun, mpg<\/em> , belirli bir araban\u0131n mpg’sini belirtirken ikinci s\u00fctun Treat<\/em> , araban\u0131n yak\u0131t i\u015flemi g\u00f6r\u00fcp g\u00f6rmedi\u011fini g\u00f6sterir.<\/span> <\/p>\n

\"Ham<\/p>\n

Ad\u0131m 3: Mann-Whitney U testi yap\u0131n.<\/strong><\/span><\/p>\n

\u00dcst men\u00fc \u00e7ubu\u011fundan \u0130statistikler > \u00d6zetler, Tablolar ve Testler > Parametrik Olmayan Hipotez Testi > Wilcoxon S\u0131ra Toplama Testi se\u00e7ene\u011fine<\/strong> gidin.<\/span><\/p>\n

De\u011fi\u015fken i\u00e7in mpg’yi<\/em> se\u00e7in. De\u011fi\u015fkeni Grupland\u0131rmak i\u00e7in Tedavi Et’i<\/em> se\u00e7in. Kesin bir test i\u00e7in bir p de\u011feri g\u00f6r\u00fcnt\u00fclemek ve birinci gruptaki de\u011fi\u015fkenin ikinci gruptaki de\u011fi\u015fkenden daha b\u00fcy\u00fck olma olas\u0131l\u0131\u011f\u0131na ili\u015fkin bir tahmin g\u00f6r\u00fcnt\u00fclemek i\u00e7in a\u015fa\u011f\u0131daki her iki kutuyu da i\u015faretleyin. Son olarak Tamam’\u0131<\/em> t\u0131klay\u0131n.<\/span> <\/p>\n

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

Test sonu\u00e7lar\u0131 g\u00f6r\u00fcnt\u00fclenecektir:<\/span> <\/p>\n

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

Esas olarak ilgilendi\u011fimiz de\u011ferler z<\/strong> = -1.279 ve Prob > |z|<\/strong> = 0,2010.<\/span><\/p>\n

Testin p de\u011feri (0,2010) bizim anlaml\u0131l\u0131k d\u00fczeyimiz olan 0,05’ten az olmad\u0131\u011f\u0131 i\u00e7in s\u0131f\u0131r hipotezini reddedemiyoruz. Ger\u00e7ek ortalama mpg’nin iki grup aras\u0131nda farkl\u0131 oldu\u011funu s\u00f6yleyecek yeterli kan\u0131t\u0131m\u0131z yok.<\/span><\/p>\n

Ad\u0131m 5: Sonu\u00e7lar\u0131 rapor edin.<\/strong><\/span><\/p>\n

Son olarak Mann-Whitney U testimizin sonu\u00e7lar\u0131n\u0131 rapor edece\u011fiz. \u0130\u015fte bunun nas\u0131l yap\u0131laca\u011f\u0131na dair bir \u00f6rnek:<\/span><\/p>\n

\n

Yeni bir yak\u0131t i\u015fleminin galon ba\u015f\u0131na ortalama kilometrede bir fark yarat\u0131p yaratmad\u0131\u011f\u0131n\u0131 belirlemek i\u00e7in 24 araba \u00fczerinde bir Mann-Whitney U testi yap\u0131ld\u0131. Her grupta 12 araba vard\u0131.<\/span><\/p>\n

Sonu\u00e7lar, ortalama mpg’nin iki grup aras\u0131nda (z = -1,279, p = 0,2010) 0,05 anlaml\u0131l\u0131k d\u00fczeyinde istatistiksel olarak farkl\u0131 olmad\u0131\u011f\u0131n\u0131 g\u00f6sterdi.<\/span><\/p>\n

Bu sonu\u00e7lara g\u00f6re, yeni yak\u0131t uygulamas\u0131n\u0131n arabalar\u0131n galon ba\u015f\u0131na kilometresi \u00fczerinde \u00f6nemli bir etkisi bulunmuyor.<\/span><\/p>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"

Mann -Whitney U testi (bazen Wilcoxon s\u0131ralama toplam\u0131 testi olarak da adland\u0131r\u0131l\u0131r), numune da\u011f\u0131l\u0131mlar\u0131 normal da\u011f\u0131lmad\u0131\u011f\u0131nda ve numune boyutlar\u0131 k\u00fc\u00e7\u00fck oldu\u011funda (n < 30) iki numune aras\u0131ndaki farklar\u0131 kar\u015f\u0131la\u015ft\u0131rmak i\u00e7in kullan\u0131l\u0131r. \u0130ki \u00f6rnekli t testinin parametrik olmayan e\u015fde\u011feri olarak kabul edilir. Bu e\u011fitimde Stata’da Mann-Whitney U testinin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fi a\u00e7\u0131klanmaktad\u0131r. \u00d6rnek: Stata’da Mann-Whitney U testi […]<\/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-612","post","type-post","status-publish","format-standard","hentry","category-rehber"],"yoast_head":"\nStata'da Mann-Whitney U testi nas\u0131l yap\u0131l\u0131r - Statorials<\/title>\n<meta name=\"description\" content=\"Ad\u0131m ad\u0131m \u00f6rnek de dahil olmak \u00fczere Stata'da Mann-Whitney U 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\/mann-whitney-durumunu-test-ettin\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Stata'da Mann-Whitney U testi nas\u0131l yap\u0131l\u0131r - 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