{"id":3412,"date":"2023-07-17T15:12:04","date_gmt":"2023-07-17T15:12:04","guid":{"rendered":"https:\/\/statorials.org\/id\/r-ganti-na-dengan-median\/"},"modified":"2023-07-17T15:12:04","modified_gmt":"2023-07-17T15:12:04","slug":"r-ganti-na-dengan-median","status":"publish","type":"post","link":"https:\/\/statorials.org\/id\/r-ganti-na-dengan-median\/","title":{"rendered":"Bagaimana cara mengganti na dengan median di r"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Anda dapat menggunakan metode berikut untuk mengganti nilai NA dengan median menggunakan fungsi dari paket <strong>dplyr<\/strong> dan <strong>Tidyr<\/strong> di R:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Metode 1: Ganti nilai NA dengan median dalam kolom<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>df %&gt;% mutate(across(col1, ~replace_na(., median(., na. <span style=\"color: #3366ff;\">rm<\/span> = <span style=\"color: #008000;\">TRUE<\/span> ))))\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>Metode 2: Ganti nilai NA dengan median di beberapa kolom<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>df %&gt;% mutate(across(c(col1, col2), ~replace_na(., median(., na. <span style=\"color: #3366ff;\">rm<\/span> = <span style=\"color: #008000;\">TRUE<\/span> ))))<\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>Metode 3: Ganti nilai NA dengan median di semua kolom numerik<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>df %&gt;% mutate(across(where(is. <span style=\"color: #3366ff;\">numeric<\/span> ), ~replace_na(., median(., na. <span style=\"color: #3366ff;\">rm<\/span> = <span style=\"color: #008000;\">TRUE<\/span> ))))<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Contoh berikut menunjukkan cara menggunakan setiap metode dalam praktik dengan kerangka data berikut:<\/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> (player=c('A', 'B', 'C', 'D', 'E'),\n                 points=c(17, 13, NA, 9, 25),\n                 rebounds=c(3, 4, NA, NA, 8),\n                 blocks=c(1, 1, 2, 4, NA))\n\n<span style=\"color: #008080;\">#view data frame<\/span>\ndf\n\n  player points rebounds blocks\n1 to 17 3 1\n2 B 13 4 1\n3 C NA NA 2\n4 D 9 NA 4\n5 E 25 8 NA\n<\/strong><\/pre>\n<h2> <span style=\"color: #000000;\"><strong>Contoh 1: Ganti nilai NA dengan median pada kolom<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Kode berikut menunjukkan cara mengganti nilai NA pada kolom <strong>poin<\/strong> dengan nilai median kolom <strong>poin<\/strong> :<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008000;\">library<\/span> (dplyr)\n<span style=\"color: #008000;\">library<\/span> (tidyr)\n\n<\/span><\/span><span style=\"color: #008080;\">#replace NA values in points column with median of points column\n<span style=\"color: #000000;\">df &lt;- df %&gt;% mutate(across(points, ~replace_na(., median(., na. <span style=\"color: #3366ff;\">rm<\/span> = <span style=\"color: #008000;\">TRUE<\/span> ))))\n<\/span>\n<span style=\"color: #000000;\"><span style=\"color: #008080;\">#view updated data frame\n<\/span>df\n\n  player points rebounds blocks\n1 to 17 3 1\n2 B 13 4 1\n3 C 15 NA 2\n4 D 9 NA 4\n5 E 25 8 NA<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Nilai median pada kolom <strong>poin<\/strong> adalah 15, sehingga nilai NA pada kolom <strong>poin<\/strong> diganti dengan 15.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Semua kolom lainnya tetap tidak berubah.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Contoh 2: Ganti nilai NA dengan median di beberapa kolom<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Kode berikut menunjukkan cara mengganti nilai NA pada kolom <strong>titik<\/strong> dan <strong>blok<\/strong> dengan median kolomnya masing-masing:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008000;\">library<\/span> (dplyr)\n<span style=\"color: #008000;\">library<\/span> (tidyr)\n\n<\/span><\/span><span style=\"color: #008080;\"><span style=\"font-size: 15px; color: #008080;\">#replace NA values in points and blocks columns with their<\/span> <span style=\"font-size: 15px;\">respective<\/span> <span style=\"font-size: 15px; color: #008080;\">medians\n<\/span><span style=\"color: #000000;\">df &lt;- df %&gt;% mutate(across(c(points, blocks), ~replace_na(., median(., na. <span style=\"color: #3366ff;\">rm<\/span> = <span style=\"color: #008000;\">TRUE<\/span> ))))\n<\/span><span style=\"color: #000000;\"><span style=\"color: #008080;\">\n#view updated data frame\n<\/span>df\n\n  player points rebounds blocks\n1 to 17 3 1.0\n2 B 13 4 1.0\n3 C 15 NA 2.0\n4 D 9 NA 4.0\n5 E 25 8 1.5<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Perhatikan bahwa nilai NA pada kolom <strong>titik<\/strong> dan <strong>blok<\/strong> sama-sama telah diganti dengan median kolomnya masing-masing.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Contoh 3: Ganti nilai NA dengan median di semua kolom numerik<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Kode berikut menunjukkan cara mengganti nilai NA pada setiap kolom numerik dengan nilai mediannya masing-masing:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008000;\">library<\/span> (dplyr)\n<span style=\"color: #008000;\">library<\/span> (tidyr)\n\n<\/span><\/span><span style=\"color: #008080;\"><span style=\"font-size: 15px; color: #008080;\">#replace NA values in all numeric columns with their<\/span> <span style=\"font-size: 15px;\">respective<\/span> <span style=\"font-size: 15px; color: #008080;\">medians\n<\/span><span style=\"color: #000000;\">df &lt;- df %&gt;% mutate(across(where(is. <span style=\"color: #3366ff;\">numeric<\/span> ), ~replace_na(., median(., na. <span style=\"color: #3366ff;\">rm<\/span> = <span style=\"color: #008000;\">TRUE<\/span> ))))\n<\/span><span style=\"color: #000000;\"><span style=\"color: #008080;\">\n#view updated data frame\n<\/span>df\n\n  player points rebounds blocks\n1 to 17 3 1.0\n2 B 13 4 1.0\n3 C 15 4 2.0\n4 D 9 4 4.0\n5 E 25 8 1.5<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Perhatikan bahwa nilai NA di semua kolom numerik telah digantikan oleh median kolomnya masing-masing.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Satu-satunya kolom yang bukan numerik <strong>(pemain)<\/strong> tetap tidak berubah.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Sumber daya tambahan<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Tutorial berikut menjelaskan cara melakukan tugas umum lainnya di dplyr:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/id\/garis-filter-yang-berisi-string-dplyr\/\" target=\"_blank\" rel=\"noopener\">Cara memfilter baris yang berisi string tertentu menggunakan dplyr<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/dplyr-menghapus-baris\/\" target=\"_blank\" rel=\"noopener\">Cara menghapus baris menggunakan dplyr<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/dplyr-melalui\/\" target=\"_blank\" rel=\"noopener\">Cara menggunakan fungsicross() di dplyr<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Anda dapat menggunakan metode berikut untuk mengganti nilai NA dengan median menggunakan fungsi dari paket dplyr dan Tidyr di R: Metode 1: Ganti nilai NA dengan median dalam kolom df %&gt;% mutate(across(col1, ~replace_na(., median(., na. rm = TRUE )))) Metode 2: Ganti nilai NA dengan median di beberapa kolom df %&gt;% mutate(across(c(col1, col2), ~replace_na(., median(., [&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":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Cara mengganti NA dengan median di R - Statorials<\/title>\n<meta name=\"description\" content=\"Tutorial ini menjelaskan cara mengganti nilai NA dengan median di R, dengan beberapa contoh.\" \/>\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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