{"id":2858,"date":"2023-07-20T09:27:24","date_gmt":"2023-07-20T09:27:24","guid":{"rendered":"https:\/\/statorials.org\/tr\/r-cinsinden-kumulatif-ortalama\/"},"modified":"2023-07-20T09:27:24","modified_gmt":"2023-07-20T09:27:24","slug":"r-cinsinden-kumulatif-ortalama","status":"publish","type":"post","link":"https:\/\/statorials.org\/tr\/r-cinsinden-kumulatif-ortalama\/","title":{"rendered":"R&#39;de k\u00fcm\u00fclatif ortalama nas\u0131l hesaplan\u0131r"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\"><strong>K\u00fcm\u00fclatif ortalama<\/strong> bize bir dizi de\u011ferin belirli bir noktaya kadar ortalamas\u0131n\u0131 anlat\u0131r.<\/span><\/p>\n<p> <span style=\"color: #000000;\">R&#8217;deki de\u011ferlerin k\u00fcm\u00fclatif ortalamas\u0131n\u0131 hesaplamak i\u00e7in a\u015fa\u011f\u0131daki y\u00f6ntemleri kullanabilirsiniz:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Y\u00f6ntem 1: Temel R&#8217;yi Kullan<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>cum_avg &lt;- cumsum(x) \/ seq_along(x)<\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>Y\u00f6ntem 2: dplyr&#8217;\u0131 kullan\u0131n<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">library<\/span> (dplyr)\n\ncum_avg &lt;- cummean(x)<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Her iki y\u00f6ntem de tam olarak ayn\u0131 sonucu verir, ancak <strong>dplyr<\/strong> y\u00f6ntemi b\u00fcy\u00fck veri \u00e7er\u00e7evelerinde daha h\u0131zl\u0131 performans g\u00f6sterme e\u011filimindedir.<\/span><\/p>\n<p> <span style=\"color: #000000;\">A\u015fa\u011f\u0131daki \u00f6rnekler, R&#8217;deki a\u015fa\u011f\u0131daki veri \u00e7er\u00e7evesiyle her y\u00f6ntemin pratikte 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\n<\/span>df &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (day=seq(1:16),\n                 sales=c(3, 6, 0, 2, 4, 1, 0, 1, 4, 7, 3, 3, 8, 3, 5, 5))\n\n<span style=\"color: #008080;\">#view head of data frame\n<\/span>head(df)\n\n  day sales\n1 1 3\n2 2 6\n3 3 0\n4 4 2\n5 5 4\n6 6 1\n<\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>\u00d6rnek 1: R taban\u0131n\u0131 kullanarak k\u00fcm\u00fclatif ortalamay\u0131 hesaplay\u0131n<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Veri \u00e7er\u00e7evemize k\u00fcm\u00fclatif sat\u0131\u015f ortalamas\u0131n\u0131 g\u00f6r\u00fcnt\u00fcleyen yeni bir s\u00fctun eklemek i\u00e7in a\u015fa\u011f\u0131daki kodu kullanabiliriz:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #008080;\">#add new column that contains cumulative avg. of sales\n<\/span>df$cum_avg_sales &lt;- cumsum(df$sales) \/ seq_along(df$sales) \n\n<span style=\"color: #008080;\">#view updated data frame\n<\/span>df\n\n   day sales cum_avg_sales\n1 1 3 3.000000\n2 2 6 4.500000\n3 3 0 3.000000\n4 4 2 2.750000\n5 5 4 3.000000\n6 6 1 2.666667\n7 7 0 2.285714\n8 8 1 2.125000\n9 9 4 2.333333\n10 10 7 2.800000\n11 11 3 2.818182\n12 12 3 2.833333\n13 13 8 3.230769\n14 14 3 3.214286\n15 15 5 3.333333\n16 16 5 3.437500\n<\/strong><\/span><\/pre>\n<p> <span style=\"color: #000000;\">K\u00fcm\u00fclatif ortalama de\u011ferleri \u015fu \u015fekilde yorumlayabiliriz:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">\u0130lk sat\u0131\u015flar\u0131n de\u011ferinin k\u00fcm\u00fclatif ortalamas\u0131 <strong>3&#8217;t\u00fcr<\/strong> .<\/span><\/li>\n<li> <span style=\"color: #000000;\">\u0130lk iki sat\u0131\u015f de\u011ferinin k\u00fcm\u00fclatif ortalamas\u0131 <strong>4,5&#8217;tir<\/strong> .<\/span><\/li>\n<li> <span style=\"color: #000000;\">\u0130lk \u00fc\u00e7 sat\u0131\u015f de\u011ferinin k\u00fcm\u00fclatif ortalamas\u0131 <strong>3&#8217;t\u00fcr<\/strong> .<\/span><\/li>\n<li> <span style=\"color: #000000;\">\u0130lk d\u00f6rt sat\u0131\u015f de\u011ferinin k\u00fcm\u00fclatif ortalamas\u0131 <strong>2,75&#8217;tir<\/strong> .<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Ve benzeri.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>\u00d6rnek 2: dplyr kullanarak k\u00fcm\u00fclatif ortalamay\u0131 hesaplama<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">K\u00fcm\u00fclatif ortalamay\u0131 hesaplamak i\u00e7in R&#8217;deki <a href=\"https:\/\/dplyr.tidyverse.org\/\" target=\"_blank\" rel=\"noopener\">dplyr<\/a> paketindeki <strong>cummean<\/strong> fonksiyonunu da kullanabiliriz.<\/span><\/p>\n<p> <span style=\"color: #000000;\">A\u015fa\u011f\u0131daki kod, veri \u00e7er\u00e7evemize k\u00fcm\u00fclatif sat\u0131\u015f ortalamas\u0131n\u0131 g\u00f6r\u00fcnt\u00fcleyen yeni bir s\u00fctun eklemek i\u00e7in bu i\u015flevin nas\u0131l kullan\u0131laca\u011f\u0131n\u0131 g\u00f6sterir:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008000;\">library<\/span> (dplyr)<\/span>\n\n#add new column that contains cumulative avg. of sales\n<\/span>df$cum_avg_sales &lt;- cummean(df$sales) \n\n<span style=\"color: #008080;\">#view updated data frame\n<\/span>df\n\n   day sales cum_avg_sales\n1 1 3 3.000000\n2 2 6 4.500000\n3 3 0 3.000000\n4 4 2 2.750000\n5 5 4 3.000000\n6 6 1 2.666667\n7 7 0 2.285714\n8 8 1 2.125000\n9 9 4 2.333333\n10 10 7 2.800000\n11 11 3 2.818182\n12 12 3 2.833333\n13 13 8 3.230769\n14 14 3 3.214286\n15 15 5 3.333333\n16 16 5 3.437500\n<\/strong><\/span><\/pre>\n<p> <span style=\"color: #000000;\"><span style=\"color: #000000;\">Bu y\u00f6ntemin \u00f6nceki y\u00f6ntemle tamamen ayn\u0131 sonu\u00e7lar\u0131 d\u00f6nd\u00fcrd\u00fc\u011f\u00fcn\u00fc unutmay\u0131n.<\/span><\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Ek kaynaklar<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">A\u015fa\u011f\u0131daki e\u011fitimlerde R&#8217;deki di\u011fer yayg\u0131n metriklerin nas\u0131l hesaplanaca\u011f\u0131 a\u00e7\u0131klanmaktad\u0131r:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/tr\/kesik-r-ortalama\/\" target=\"_blank\" rel=\"noopener\">R&#8217;de k\u0131rp\u0131lm\u0131\u015f ortalama nas\u0131l hesaplan\u0131r<\/a><br \/> <a href=\"https:\/\/statorials.org\/tr\/rde-geometrik-ortalama\/\" target=\"_blank\" rel=\"noopener\">R&#8217;de geometrik ortalama nas\u0131l hesaplan\u0131r<\/a><br \/> <a href=\"https:\/\/statorials.org\/tr\/r-cinsinden-agirlikli-ortalama\/\" target=\"_blank\" rel=\"noopener\">R&#8217;de a\u011f\u0131rl\u0131kl\u0131 ortalama nas\u0131l hesaplan\u0131r<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>K\u00fcm\u00fclatif ortalama bize bir dizi de\u011ferin belirli bir noktaya kadar ortalamas\u0131n\u0131 anlat\u0131r. R&#8217;deki de\u011ferlerin k\u00fcm\u00fclatif ortalamas\u0131n\u0131 hesaplamak i\u00e7in a\u015fa\u011f\u0131daki y\u00f6ntemleri kullanabilirsiniz: Y\u00f6ntem 1: Temel R&#8217;yi Kullan cum_avg &lt;- cumsum(x) \/ seq_along(x) Y\u00f6ntem 2: dplyr&#8217;\u0131 kullan\u0131n library (dplyr) cum_avg &lt;- cummean(x) Her iki y\u00f6ntem de tam olarak ayn\u0131 sonucu verir, ancak dplyr y\u00f6ntemi b\u00fcy\u00fck veri \u00e7er\u00e7evelerinde [&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-2858","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 K\u00fcm\u00fclatif Ortalama Nas\u0131l Hesaplan\u0131r?<\/title>\n<meta name=\"description\" content=\"Bu e\u011fitimde R&#039;de k\u00fcm\u00fclatif ortalaman\u0131n nas\u0131l hesaplanaca\u011f\u0131 birka\u00e7 \u00f6rnekle a\u00e7\u0131klanmaktad\u0131r.\" \/>\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\/r-cinsinden-kumulatif-ortalama\/\" \/>\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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