{"id":3867,"date":"2023-07-15T02:15:01","date_gmt":"2023-07-15T02:15:01","guid":{"rendered":"https:\/\/statorials.org\/tr\/r-tum-nalari-iceren-sutunlari-bul\/"},"modified":"2023-07-15T02:15:01","modified_gmt":"2023-07-15T02:15:01","slug":"r-tum-nalari-iceren-sutunlari-bul","status":"publish","type":"post","link":"https:\/\/statorials.org\/tr\/r-tum-nalari-iceren-sutunlari-bul\/","title":{"rendered":"C: t\u00fcm eksik de\u011ferleri i\u00e7eren s\u00fctunlar nas\u0131l bulunur?"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">R&#8217;deki bir veri \u00e7er\u00e7evesindeki t\u00fcm eksik de\u011ferleri i\u00e7eren s\u00fctunlar\u0131 bulmak i\u00e7in a\u015fa\u011f\u0131daki y\u00f6ntemleri kullanabilirsiniz:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Y\u00f6ntem 1: Base R&#8217;yi kullan\u0131n<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#check if each column has all missing values\n<\/span>all_miss &lt;- apply(df, 2, <span style=\"color: #008000;\">function<\/span> (x) all(is. <span style=\"color: #3366ff;\">na<\/span> (x)))\n\n<span style=\"color: #008080;\">#display columns with all missing values<\/span>\nnames(all_miss[all_miss&gt;0])   \n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>Y\u00f6ntem 2: Purrr paketini kullan\u0131n<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <b><span style=\"color: #008000;\">library<\/span> (purrr)\n\n<strong><span style=\"color: #008080;\">#display columns with all missing values<\/span><\/strong>\ndf %&gt;% keep(~all(is. <span style=\"color: #3366ff;\">na<\/span> (.x))) %&gt;% names\n<\/b><\/pre>\n<p> <span style=\"color: #000000;\">Her iki y\u00f6ntem de ayn\u0131 sonucu \u00fcretir ancak purrr yakla\u015f\u0131m\u0131 a\u015f\u0131r\u0131 b\u00fcy\u00fck veri \u00e7er\u00e7eveleri i\u00e7in daha h\u0131zl\u0131 olma e\u011filimindedir.<\/span><\/p>\n<p> <span style=\"color: #000000;\">A\u015fa\u011f\u0131daki \u00f6rnekler, R&#8217;de her y\u00f6ntemin a\u015fa\u011f\u0131daki veri \u00e7er\u00e7evesiyle nas\u0131l kullan\u0131laca\u011f\u0131n\u0131 g\u00f6sterir:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <b><strong><span style=\"color: #008080;\">#create data frame\n<span style=\"color: #000000;\">df &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (points=c(21, 15, 10, 4, 4, 9, 12, 10),\n                 assists=c(NA, NA, NA, NA, NA, NA, NA, NA),\n                 rebounds=c(8, 12, 14, 10, 7, 9, 8, 5),\n                 steals=c(NA, NA, NA, NA, NA, NA, NA, NA))\n\n<span style=\"color: #008080;\">#view data frame\n<\/span>df\n\n  points assists rebounds steals\n1 21 NA 8 NA\n2 15 NA 12 NA\n3 10 NA 14 NA\n4 4 NA 10 NA\n5 4 NA 7 NA\n6 9 NA 9 NA\n7 12 NA 8 NA\n8 10 NA 5 NA<\/span><\/span><\/strong><\/b><\/pre>\n<h2> <span style=\"color: #000000;\"><strong>\u00d6rnek 1: Temel R&#8217;yi kullanarak t\u00fcm eksik de\u011ferleri i\u00e7eren s\u00fctunlar\u0131 bulun<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">A\u015fa\u011f\u0131daki kod, veri \u00e7er\u00e7evesindeki t\u00fcm eksik de\u011ferleri i\u00e7eren s\u00fctunlar\u0131n nas\u0131l bulunaca\u011f\u0131n\u0131 g\u00f6sterir:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#check if each column has all missing values\n<\/span>all_miss &lt;- apply(df, 2, <span style=\"color: #008000;\">function<\/span> (x) all(is. <span style=\"color: #3366ff;\">na<\/span> (x)))\n\n<span style=\"color: #008080;\">#display columns with all missing values<\/span>\nnames(all_miss[all_miss&gt;0])   \n\n[1] \u201cassists\u201d \u201csteals\u201d \n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Sonu\u00e7tan <strong>asist<\/strong> ve <strong>top kesme<\/strong> s\u00fctunlar\u0131n\u0131n hepsinin eksik de\u011ferlere sahip oldu\u011funu g\u00f6rebiliriz.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>\u00d6rnek 2: Purrr paketini kullanarak t\u00fcm eksik de\u011ferleri i\u00e7eren s\u00fctunlar\u0131 bulun<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">A\u015fa\u011f\u0131daki kod, <a href=\"https:\/\/purrr.tidyverse.org\/\" target=\"_blank\" rel=\"noopener\">purrr<\/a> paketindeki i\u015flevleri kullanarak veri \u00e7er\u00e7evesindeki t\u00fcm eksik de\u011ferleri i\u00e7eren s\u00fctunlar\u0131n nas\u0131l bulunaca\u011f\u0131n\u0131 g\u00f6sterir:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <b><span style=\"color: #008000;\">library<\/span> (purrr)\n\n<strong><span style=\"color: #008080;\">#display columns with all missing values<\/span><\/strong>\ndf %&gt;% keep(~all(is. <span style=\"color: #3366ff;\">na<\/span> (.x))) %&gt;% names\n\n[1] \u201cassists\u201d \u201csteals\u201d \n<\/b><\/pre>\n<p> <span style=\"color: #000000;\">Sonu\u00e7tan <strong>asist<\/strong> ve <strong>top kesme<\/strong> s\u00fctunlar\u0131n\u0131n hepsinin eksik de\u011ferlere sahip oldu\u011funu g\u00f6rebiliriz.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Bu, temel R y\u00f6nteminin \u00e7\u0131kt\u0131s\u0131na kar\u015f\u0131l\u0131k gelir.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Ek kaynaklar<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">A\u015fa\u011f\u0131daki e\u011fitimlerde R&#8217;de eksik de\u011ferlerle di\u011fer genel i\u015flemlerin nas\u0131l ger\u00e7ekle\u015ftirilece\u011fi a\u00e7\u0131klanmaktad\u0131r:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/tr\/eksik-degerleri-rye-yukle\/\" target=\"_blank\" rel=\"noopener\">Eksik de\u011ferlerin t\u00fcm\u00fc R&#8217;ye nas\u0131l aktar\u0131l\u0131r?<\/a><br \/> <a href=\"https:\/\/statorials.org\/tr\/nayi-r'deki-dizeyle-degistirin\/\" target=\"_blank\" rel=\"noopener\">NA&#8217;lar R&#8217;deki dizelerle nas\u0131l de\u011fi\u015ftirilir?<\/a><br \/> <a href=\"https:\/\/statorials.org\/tr\/dplyr-nayi-sifirla-degistirin\/\" target=\"_blank\" rel=\"noopener\">Dplyr&#8217;de NA&#8217;y\u0131 S\u0131f\u0131r ile nas\u0131l de\u011fi\u015ftirebilirim?<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>R&#8217;deki bir veri \u00e7er\u00e7evesindeki t\u00fcm eksik de\u011ferleri i\u00e7eren s\u00fctunlar\u0131 bulmak i\u00e7in a\u015fa\u011f\u0131daki y\u00f6ntemleri kullanabilirsiniz: Y\u00f6ntem 1: Base R&#8217;yi kullan\u0131n #check if each column has all missing values all_miss &lt;- apply(df, 2, function (x) all(is. na (x))) #display columns with all missing values names(all_miss[all_miss&gt;0]) Y\u00f6ntem 2: Purrr paketini kullan\u0131n library (purrr) #display columns with all missing [&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-3867","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>C: T\u00fcm eksik de\u011ferleri i\u00e7eren s\u00fctunlar nas\u0131l bulunur? - Statorials<\/title>\n<meta name=\"description\" content=\"Bu e\u011fitimde, \u00f6rnekler de dahil olmak \u00fczere R&#039;deki t\u00fcm NA de\u011ferlerine sahip s\u00fctunlar\u0131n nas\u0131l bulunaca\u011f\u0131 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\" 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