{"id":2047,"date":"2023-07-23T22:55:57","date_gmt":"2023-07-23T22:55:57","guid":{"rendered":"https:\/\/statorials.org\/tr\/cizgiler-arasindaki-fark\/"},"modified":"2023-07-23T22:55:57","modified_gmt":"2023-07-23T22:55:57","slug":"cizgiler-arasindaki-fark","status":"publish","type":"post","link":"https:\/\/statorials.org\/tr\/cizgiler-arasindaki-fark\/","title":{"rendered":"R&#39;deki sat\u0131rlar aras\u0131ndaki fark nas\u0131l hesaplan\u0131r"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">R&#8217;deki bir veri \u00e7er\u00e7evesindeki sat\u0131rlar aras\u0131ndaki fark\u0131 hesaplamak i\u00e7in <strong>diff()<\/strong> i\u015flevini kullanabilirsiniz:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#find difference between rows in every column of data frame\n<span style=\"color: #000000;\">diff( <span style=\"color: #3366ff;\">as.matrix<\/span> (df))<\/span>\n\n#find difference between rows of specific column<\/span>\ndiff(df$column_name)\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">A\u015fa\u011f\u0131daki \u00f6rnekler bu s\u00f6zdiziminin pratikte nas\u0131l kullan\u0131laca\u011f\u0131n\u0131 g\u00f6stermektedir.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>\u00d6rnek 1: Her s\u00fctundaki sat\u0131rlar aras\u0131ndaki fark\u0131 bulun<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">A\u015fa\u011f\u0131daki kod, bir veri \u00e7er\u00e7evesinin her s\u00fctunundaki sat\u0131rlar aras\u0131ndaki fark\u0131n nas\u0131l hesaplanaca\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 style=\"color: #000000;\">df &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (day=c(1, 2, 3, 4, 5, 6, 7, 8, 9, 10),\n                 sales=c(7, 8, 8, 12, 10, 9, 13, 16, 11, 7))\n\n<span style=\"color: #008080;\">#view data frame<\/span>\ndf\n\n   day sales\n1 1 7\n2 2 8\n3 3 8\n4 4 12\n5 5 10\n6 6 9\n7 7 13\n8 8 16\n9 9 11\n10 10 7\n\n<span style=\"color: #008080;\">#calculate difference between rows for each column<\/span>\ndiff( <span style=\"color: #3366ff;\">as.matrix<\/span> (df))\n\n      day sales\n [1,] 1 1\n [2,] 1 0\n [3,] 1 4\n [4,] 1 -2\n [5,] 1 -1\n [6,] 1 4\n [7,] 1 3\n [8,] 1 -5\n [9,] 1 -4\n<\/span><\/span><\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>\u00d6rnek 2: Belirli bir s\u00fctundaki sat\u0131rlar aras\u0131ndaki fark\u0131 bulun<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">A\u015fa\u011f\u0131daki kod, bir veri \u00e7er\u00e7evesindeki belirli bir s\u00fctunun sat\u0131rlar\u0131 aras\u0131ndaki fark\u0131n nas\u0131l hesaplanaca\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 style=\"color: #000000;\">df &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (day=c(1, 2, 3, 4, 5, 6, 7, 8, 9, 10),\n                 sales=c(7, 8, 8, 12, 10, 9, 13, 16, 11, 7))\n\n<span style=\"color: #008080;\">#calculate difference between rows in 'sales' column\n<\/span>diff(df$sales)\n\n[1] 1 0 4 -2 -1 4 3 -5 -4\n<\/span><\/span><\/strong><\/pre>\n<h3> <strong>\u00d6rnek 3: Sat\u0131rlar aras\u0131ndaki fark\u0131 bulun ve yeni bir s\u00fctun ekleyin<\/strong><\/h3>\n<p> <span style=\"color: #000000;\">A\u015fa\u011f\u0131daki kod, bir veri \u00e7er\u00e7evesindeki belirli bir s\u00fctundaki sat\u0131rlar aras\u0131ndaki fark\u0131n nas\u0131l hesaplanaca\u011f\u0131n\u0131 ve ard\u0131ndan bu farklar\u0131n veri \u00e7er\u00e7evesinin sonuna yeni bir s\u00fctun olarak 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\n<span style=\"color: #000000;\">df &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (day=c(1, 2, 3, 4, 5, 6, 7, 8, 9, 10),\n                 sales=c(7, 8, 8, 12, 10, 9, 13, 16, 11, 7))\n\n<span style=\"color: #008080;\">#calculate difference between rows in 'sales' column\n<\/span>sales_diff &lt;- diff(df$sales)\n\n<span style=\"color: #008080;\">#append NA to beginning of differences vector\n<\/span>sales_diff &lt;- c(NA, sales_diff)\n\n<span style=\"color: #008080;\">#append differences vector as new column\n<\/span>df$sales_diff &lt;- sales_diff\n\n<span style=\"color: #008080;\">#view updated data frame\n<\/span>df\n\n   day sales sales_diff\n1 1 7 NA\n2 2 8 1\n3 3 8 0\n4 4 12 4\n5 5 10 -2\n6 6 9 -1\n7 7 13 4\n8 8 16 3\n9 9 11 -5\n10 10 7 -4<\/span><\/span><\/strong><\/pre>\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;de di\u011fer ortak hat i\u015flevlerinin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fi a\u00e7\u0131klanmaktad\u0131r:<\/span><\/p>\n<p> <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><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 \/> R&#8217;de Nrow() i\u015flevi nas\u0131l kullan\u0131l\u0131r?<\/p>\n","protected":false},"excerpt":{"rendered":"<p>R&#8217;deki bir veri \u00e7er\u00e7evesindeki sat\u0131rlar aras\u0131ndaki fark\u0131 hesaplamak i\u00e7in diff() i\u015flevini kullanabilirsiniz: #find difference between rows in every column of data frame diff( as.matrix (df)) #find difference between rows of specific column diff(df$column_name) A\u015fa\u011f\u0131daki \u00f6rnekler bu s\u00f6zdiziminin pratikte nas\u0131l kullan\u0131laca\u011f\u0131n\u0131 g\u00f6stermektedir. \u00d6rnek 1: Her s\u00fctundaki sat\u0131rlar aras\u0131ndaki fark\u0131 bulun A\u015fa\u011f\u0131daki kod, bir veri \u00e7er\u00e7evesinin her [&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-2047","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 - Statorials&#039;deki sat\u0131rlar aras\u0131ndaki fark nas\u0131l hesaplan\u0131r?<\/title>\n<meta name=\"description\" content=\"Bu e\u011fitimde, R&#039;deki bir veri \u00e7er\u00e7evesindeki sat\u0131rlar aras\u0131ndaki fark\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, 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