{"id":1878,"date":"2023-07-24T15:18:32","date_gmt":"2023-07-24T15:18:32","guid":{"rendered":"https:\/\/statorials.org\/tr\/rde-toplam-islevi\/"},"modified":"2023-07-24T15:18:32","modified_gmt":"2023-07-24T15:18:32","slug":"rde-toplam-islevi","status":"publish","type":"post","link":"https:\/\/statorials.org\/tr\/rde-toplam-islevi\/","title":{"rendered":"R&#39;de sum() fonksiyonu nas\u0131l kullan\u0131l\u0131r (\u00f6rneklerle)"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Bir vekt\u00f6rdeki de\u011ferlerin toplam\u0131n\u0131 bulmak i\u00e7in R&#8217;deki <strong>sum()<\/strong> fonksiyonunu kullanabilirsiniz.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Bu i\u015flev a\u015fa\u011f\u0131daki temel s\u00f6zdizimini kullan\u0131r:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>toplam(x, na.rm=YANLI\u015e)<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">Alt\u0131n:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>x<\/strong> : Vekt\u00f6r\u00fcn ad\u0131.<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>na.rm<\/strong> : NA de\u011ferlerinin g\u00f6z ard\u0131 edilip edilmeyece\u011fi. Varsay\u0131lan de\u011fer false&#8217;tur.<\/span><\/li>\n<\/ul>\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>\u00d6rnek 1: Bir Vekt\u00f6rdeki De\u011ferlerin Toplam\u0131<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">A\u015fa\u011f\u0131daki kod, de\u011ferlerin bir vekt\u00f6re nas\u0131l eklenece\u011fini g\u00f6sterir:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#createvector<\/span>\nx &lt;- c(3, 6, 7, 12, 15)\n\n<span style=\"color: #008080;\">#sum values in vector\n<\/span>sum(x)\n\n[1] 43<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Vekt\u00f6rde NA de\u011ferleri varsa ortalamay\u0131 hesaplarken eksik de\u011ferleri yok saymak i\u00e7in <strong>na.rm=TRUE komutunu<\/strong> kullanabilirsiniz:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create vector with some NA values<\/span>\nx &lt;- c(3, NA, 7, NA, 15)\n\n<span style=\"color: #008080;\">#sum values in vector\n<\/span>sum(x, na. <span style=\"color: #3366ff;\">rm<\/span> = <span style=\"color: #008000;\">TRUE<\/span> )\n\n[1] 25<\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>\u00d6rnek 2: Veri \u00e7er\u00e7evesi s\u00fctunundaki de\u011ferlerin toplam\u0131<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">A\u015fa\u011f\u0131daki kod, de\u011ferlerin bir veri \u00e7er\u00e7evesinin belirli bir s\u00fctununa nas\u0131l eklenece\u011fini 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. <span style=\"color: #3366ff;\">frame<\/span> (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;\">#view data frame<\/span>\ndf\n\n  var1 var2 var3 var4\n1 1 7 3 1\n2 3 7 3 1\n3 3 8 6 2\n4 4 3 6 8\n5 5 2 8 9\n\n<span style=\"color: #008080;\">#sum values in 'var1' column\n<\/span>sum(df$var1)\n\n[1] 16<\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>\u00d6rnek 3: Birden fazla veri \u00e7er\u00e7evesi s\u00fctunundaki de\u011ferlerin toplam\u0131<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">A\u015fa\u011f\u0131daki kod, bir veri \u00e7er\u00e7evesindeki birden \u00e7ok s\u00fctunun de\u011ferlerini eklemek i\u00e7in <strong>sapply()<\/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. <span style=\"color: #3366ff;\">frame<\/span> (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;\">#view data frame<\/span>\ndf\n\n  var1 var2 var3 var4\n1 1 7 3 1\n2 3 7 3 1\n3 3 8 6 2\n4 4 3 6 8\n5 5 2 8 9\n\n<span style=\"color: #008080;\">#sum values in 'var1' and 'var3' columns\n<\/span>sapply(df[, c(' <span style=\"color: #ff0000;\">var1<\/span> ', ' <span style=\"color: #ff0000;\">var3<\/span> ')], sum)\n\nvar1 var3 \n  16 26<\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Ek kaynaklar<\/strong><\/span><\/h3>\n<p> <a href=\"https:\/\/statorials.org\/tr\/r-ise-say\/\" target=\"_blank\" rel=\"noopener\">R&#8217;de COUNTIF i\u015flevi nas\u0131l \u00e7al\u0131\u015ft\u0131r\u0131l\u0131r<\/a><br \/> <a href=\"https:\/\/statorials.org\/tr\/r-cinsinden-toplam\/\" target=\"_blank\" rel=\"noopener\">R&#8217;de ETOPLA i\u015flevi nas\u0131l \u00e7al\u0131\u015ft\u0131r\u0131l\u0131r<\/a><br \/> <a href=\"https:\/\/statorials.org\/tr\/rde-satir-toplamlari-islevi\/\" target=\"_blank\" rel=\"noopener\">R&#8217;de rowSums() i\u015flevi nas\u0131l kullan\u0131l\u0131r?<\/a><br \/> <a href=\"https:\/\/statorials.org\/tr\/rde-colsum-islevi\/\" target=\"_blank\" rel=\"noopener\">R&#8217;de colSums() i\u015flevi nas\u0131l kullan\u0131l\u0131r?<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Bir vekt\u00f6rdeki de\u011ferlerin toplam\u0131n\u0131 bulmak i\u00e7in R&#8217;deki sum() fonksiyonunu kullanabilirsiniz. Bu i\u015flev a\u015fa\u011f\u0131daki temel s\u00f6zdizimini kullan\u0131r: toplam(x, na.rm=YANLI\u015e) Alt\u0131n: x : Vekt\u00f6r\u00fcn ad\u0131. na.rm : NA de\u011ferlerinin g\u00f6z ard\u0131 edilip edilmeyece\u011fi. Varsay\u0131lan de\u011fer false&#8217;tur. A\u015fa\u011f\u0131daki \u00f6rnekler bu fonksiyonun pratikte nas\u0131l kullan\u0131laca\u011f\u0131n\u0131 g\u00f6stermektedir. \u00d6rnek 1: Bir Vekt\u00f6rdeki De\u011ferlerin Toplam\u0131 A\u015fa\u011f\u0131daki kod, de\u011ferlerin bir vekt\u00f6re nas\u0131l eklenece\u011fini [&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-1878","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&#039;de sum() fonksiyonu nas\u0131l kullan\u0131l\u0131r (\u00f6rneklerle) \u2013 Statorials<\/title>\n<meta name=\"description\" content=\"Bu e\u011fitimde, bir vekt\u00f6r\u00fcn de\u011ferlerini toplamak i\u00e7in R&#039;deki sum() fonksiyonunun 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