{"id":1088,"date":"2023-07-27T17:17:59","date_gmt":"2023-07-27T17:17:59","guid":{"rendered":"https:\/\/statorials.org\/tr\/rdeki-birden-cok-sutunun-ortalamasini-hesapla\/"},"modified":"2023-07-27T17:17:59","modified_gmt":"2023-07-27T17:17:59","slug":"rdeki-birden-cok-sutunun-ortalamasini-hesapla","status":"publish","type":"post","link":"https:\/\/statorials.org\/tr\/rdeki-birden-cok-sutunun-ortalamasini-hesapla\/","title":{"rendered":"R&#39;de birden fazla s\u00fctunun ortalamas\u0131 nas\u0131l hesaplan\u0131r"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">\u00c7o\u011funlukla R&#8217;deki birden \u00e7ok s\u00fctunun ortalamas\u0131n\u0131 hesaplamak isteyebilirsiniz. Neyse ki bunu <strong>colMeans()<\/strong> i\u015flevini kullanarak kolayca yapabilirsiniz.<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>colMeans(df)<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">A\u015fa\u011f\u0131daki \u00f6rnekler bu fonksiyonun pratikte nas\u0131l kullan\u0131laca\u011f\u0131n\u0131 g\u00f6stermektedir.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Birden fazla s\u00fctunun ortalamas\u0131n\u0131 bulmak i\u00e7in colMeans() i\u015flevini kullanma<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">A\u015fa\u011f\u0131daki kod, bir veri \u00e7er\u00e7evesindeki her s\u00fctunun ortalamas\u0131n\u0131 bulmak i\u00e7in <strong>colMeans()<\/strong> i\u015flevinin nas\u0131l kullan\u0131laca\u011f\u0131n\u0131 g\u00f6sterir:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create data frame<\/span>\ndf &lt;- data.frame(var1=c(1, 3, 3, 4, 5),\n                 var2=c(7, 7, 8, 3, 2),\n                 var3=c(3, 3, 6, 6, 8),\n                 var4=c(1, 1, 2, 8, 9))\n\n<span style=\"color: #008080;\">#find mean of each column<\/span>\ncolMeans(df)\n\nvar1 var2 var3 var4 \n 3.2 5.4 5.2 4.2 \n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Ortalaman\u0131n <em>hangi<\/em> s\u00fctunlarda bulunaca\u011f\u0131n\u0131 da belirtebiliriz:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#find the mean of columns 2 and 3<\/span>\ncolMeans(df[, c(2, 3)])\n\nvar2 var3 \n 5.4 5.2 \n\n<span style=\"color: #008080;\">#find the mean of the first three columns<\/span>\ncolMeans(df[, 1:3])\n\nvar1 var2 var3 \n 3.2 5.4 5.2<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Say\u0131sal olmayan s\u00fctunlar varsa, yaln\u0131zca say\u0131sal s\u00fctunlar\u0131n ortalamas\u0131n\u0131 bulmak istedi\u011finizi belirtmek i\u00e7in <a href=\"https:\/\/statorials.org\/tr\/rde-lapply-sapply-ve-tapply-uygulama-kilavuzu\/\" target=\"_blank\" rel=\"noopener noreferrer\">sapply() i\u015flevini<\/a> kullanabilirsiniz:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create data frame<\/span>\ndf &lt;- data.frame(var1=c(1, 3, 3, 4, 5),\n                 var2=c(7, 7, 8, 3, 2),\n                 var3=c(3, 3, 6, 6, 8),\n                 var4=c(1, 1, 2, 8, 9),\n                 var5=c('a', 'a', 'b', 'b', 'c'))\n\n<span style=\"color: #008080;\">#find mean of <em>only<\/em> numeric columns<\/span>\ncolMeans(df[ <span style=\"color: #3366ff;\">sapply<\/span> (df, is.numeric)])\n\nvar1 var2 var3 var4 \n 3.2 5.4 5.2 4.2<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Herhangi bir s\u00fctunda eksik de\u011ferler varsa ortalamalar\u0131 hesaplarken eksik de\u011ferleri yok saymak i\u00e7in <strong>na.rm=TRUE<\/strong> ba\u011f\u0131ms\u0131z de\u011fi\u015fkenini kullanabilirsiniz:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create data frame with some missing values<\/span>\ndf &lt;- data.frame(var1=c(1, 3, NA, NA, 5),\n                 var2=c(7, 7, 8, 3, 2),\n                 var3=c(3, 3, 6, 6, 8),\n                 var4=c(1, 1, 2, 8, NA))\n\n<span style=\"color: #008080;\">#find mean of each column and ignore missing values<\/span>\ncolMeans(df, na.rm= <span style=\"color: #008000;\">TRUE<\/span> )\n\nvar1 var2 var3 var4 \n 3.0 5.4 5.2 3.0<\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Ek kaynaklar<\/strong><\/span><\/h3>\n<p> <a href=\"https:\/\/statorials.org\/tr\/r-dongusu-veri-cercevesi-sutunlari\/\" target=\"_blank\" rel=\"noopener noreferrer\">R&#8217;de s\u00fctun adlar\u0131 \u00fczerinde yineleme nas\u0131l yap\u0131l\u0131r<\/a><br \/> <a href=\"https:\/\/statorials.org\/tr\/rye-belirli-sutunlar-ekleyin\/\" target=\"_blank\" rel=\"noopener noreferrer\">R&#8217;de belirli s\u00fctunlar nas\u0131l toplan\u0131r<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00c7o\u011funlukla R&#8217;deki birden \u00e7ok s\u00fctunun ortalamas\u0131n\u0131 hesaplamak isteyebilirsiniz. Neyse ki bunu colMeans() i\u015flevini kullanarak kolayca yapabilirsiniz. colMeans(df) A\u015fa\u011f\u0131daki \u00f6rnekler bu fonksiyonun pratikte nas\u0131l kullan\u0131laca\u011f\u0131n\u0131 g\u00f6stermektedir. Birden fazla s\u00fctunun ortalamas\u0131n\u0131 bulmak i\u00e7in colMeans() i\u015flevini kullanma A\u015fa\u011f\u0131daki kod, bir veri \u00e7er\u00e7evesindeki her s\u00fctunun ortalamas\u0131n\u0131 bulmak i\u00e7in colMeans() i\u015flevinin nas\u0131l kullan\u0131laca\u011f\u0131n\u0131 g\u00f6sterir: #create data frame df &lt;- data.frame(var1=c(1, [&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-1088","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 birden fazla s\u00fctunun ortalamas\u0131 nas\u0131l hesaplan\u0131r?<\/title>\n<meta name=\"description\" content=\"Bu e\u011fitimde, R&#039;deki bir veri \u00e7er\u00e7evesindeki birden fazla s\u00fctunun ortalamas\u0131n\u0131 hesaplamak i\u00e7in kullanabilece\u011finiz birka\u00e7 farkl\u0131 y\u00f6ntem g\u00f6sterilmektedir.\" \/>\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\/rdeki-birden-cok-sutunun-ortalamasini-hesapla\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"R - 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