Bu e\u011fitimde R’de Wilcoxon i\u015faretli s\u0131ralama testinin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fi a\u00e7\u0131klanmaktad\u0131r.<\/span><\/p>\n Bir basketbol antren\u00f6r\u00fcn\u00fcn belirli bir antrenman program\u0131n\u0131n oyuncular\u0131n\u0131n att\u0131\u011f\u0131 serbest at\u0131\u015f say\u0131s\u0131n\u0131 art\u0131r\u0131p art\u0131rmad\u0131\u011f\u0131n\u0131 bilmek istedi\u011fini varsayal\u0131m. Bunu test etmek i\u00e7in 15 oyuncudan antrenman program\u0131 \u00f6ncesinde ve sonras\u0131nda 20’\u015fer serbest at\u0131\u015f yapmalar\u0131n\u0131 istedi.<\/span><\/p>\n Her oyuncu kendisiyle “e\u015fle\u015ftirilebildi\u011finden” ko\u00e7, antrenman program\u0131 \u00f6ncesinde ve sonras\u0131nda at\u0131lan ortalama serbest at\u0131\u015f say\u0131s\u0131 aras\u0131nda anlaml\u0131 bir fark olup olmad\u0131\u011f\u0131n\u0131 belirlemek i\u00e7in e\u015fle\u015ftirilmi\u015f bir t-testi kullanmay\u0131 planlad\u0131. e\u011fitim. Ancak<\/span> farkl\u0131l\u0131klar\u0131n da\u011f\u0131l\u0131m\u0131n\u0131n normal olmad\u0131\u011f\u0131 ortaya \u00e7\u0131k\u0131yor, bu nedenle e\u011fitmen bunun yerine Wilcoxon Signed-Rank testini kullan\u0131yor.<\/span><\/p>\n A\u015fa\u011f\u0131daki tablo, antrenman program\u0131 \u00f6ncesinde ve sonras\u0131nda 15 oyuncunun her birinin yapt\u0131\u011f\u0131 (20 at\u0131\u015ftan) serbest at\u0131\u015f say\u0131s\u0131n\u0131 g\u00f6stermektedir:<\/span> <\/p>\n R’deki bu veriler \u00fczerinde Wilcoxon \u0130\u015faretli S\u0131ra Testi ger\u00e7ekle\u015ftirmek i\u00e7in a\u015fa\u011f\u0131daki s\u00f6zdizimini kullanan wilcox.test()<\/strong> i\u015flevini kullanabiliriz:<\/span><\/p>\n wilcox.test(x, y, hatta = DO\u011eRU)<\/strong><\/span><\/p>\n Alt\u0131n:<\/span><\/p>\n A\u015fa\u011f\u0131daki kod, bu veriler \u00fczerinde Wilcoxon Signed-Rank testini ger\u00e7ekle\u015ftirmek i\u00e7in bu i\u015flevin nas\u0131l kullan\u0131laca\u011f\u0131n\u0131 g\u00f6sterir:<\/span><\/p>\n Test istatisti\u011fi 29,5’tir<\/strong> ve buna kar\u015f\u0131l\u0131k gelen p de\u011feri 0,275’tir<\/strong> . Bu p de\u011feri 0,05’ten k\u00fc\u00e7\u00fck olmad\u0131\u011f\u0131ndan s\u0131f\u0131r hipotezini reddedemiyoruz. Oyuncular\u0131n antrenman program\u0131na kat\u0131lmadan \u00f6nceki ve sonraki serbest at\u0131\u015f say\u0131lar\u0131nda istatistiksel olarak anlaml\u0131 bir fark bulunamad\u0131.<\/span><\/p>\n Varsay\u0131lan olarak, bu i\u015flev iki tarafl\u0131 bir Wilcoxon \u0130\u015faretli S\u0131ra testi ger\u00e7ekle\u015ftirir, ancak alternatif<\/strong> ba\u011f\u0131ms\u0131z de\u011fi\u015fkeni kullanarak bir sol el testi veya bir sa\u011f el testi belirleyebilirsiniz:<\/span><\/p>\n Wilcoxon \u0130\u015faretli S\u0131ralama Testine Giri\u015f<\/a> Wilcoxon Signed-Rank testi, e\u015fle\u015ftirilmi\u015f t testinin parametrik olmayan versiyonudur . \u0130ki \u00f6rnek aras\u0131ndaki farklar\u0131n da\u011f\u0131l\u0131m\u0131n\u0131n normal kabul edilemedi\u011fi durumlarda, iki evrenin ortalamalar\u0131 aras\u0131nda anlaml\u0131 bir fark olup olmad\u0131\u011f\u0131n\u0131 test etmek i\u00e7in kullan\u0131l\u0131r. Bu e\u011fitimde R’de Wilcoxon i\u015faretli s\u0131ralama testinin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fi a\u00e7\u0131klanmaktad\u0131r. \u00d6rnek: Wilcoxon R’de imzal\u0131 s\u0131ralama testi Bir basketbol antren\u00f6r\u00fcn\u00fcn belirli bir antrenman program\u0131n\u0131n […]<\/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-775","post","type-post","status-publish","format-standard","hentry","category-rehber"],"yoast_head":"\n \u00d6rnek: Wilcoxon R’de imzal\u0131 s\u0131ralama testi<\/strong><\/span><\/h3>\n
![\"Wilcoxon](\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/wilcox1-1.png\")
<\/p>\n\n
#create the two vectors of data<\/span>\nbefore <- c(14, 17, 12, 15, 15, 9, 12, 13, 13, 15, 19, 17, 14, 14, 16)\nafter <- c(15, 17, 15, 15, 17, 14, 9, 14, 11, 16, 18, 20, 20, 10, 17)\n\n#perform Wilcoxon Signed-Rank Test<\/span>\nwilcox.test(before, after, paired=TRUE)\n\n\tWilcoxon signed rank test with continuity correction\n\ndata: before and after\nV = 29.5, p-value = 0.275\nalternative hypothesis: true location shift is not equal to 0<\/strong><\/pre>\n #perform left-tailed Wilcoxon Signed-Rank Test<\/span>\nwilcox.test(before, after, paired=TRUE, alternative=\"less\")\n\n\tWilcoxon signed rank test with continuity correction\n\ndata: before and after\nV = 29.5, p-value = 0.1375\nalternative hypothesis: true location shift is less than 0\n\n#perform right-tailed Wilcoxon Signed-Rank Test\n<\/span>wilcox.test(before, after, paired=TRUE, alternative=\"greater\")\n\n\tWilcoxon signed rank test with continuity correction\n\ndata: before and after\nV = 29.5, p-value = 0.8774\nalternative hypothesis: true location shift is greater than 0\n<\/strong><\/pre>\n Ek kaynaklar<\/strong><\/span><\/h3>\n
Wilcoxon \u0130mzal\u0131 Yer Testi Hesaplay\u0131c\u0131s\u0131<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"