{"id":2900,"date":"2023-07-20T04:37:06","date_gmt":"2023-07-20T04:37:06","guid":{"rendered":"https:\/\/statorials.org\/id\/aku-tidak-menghitungnya-na\/"},"modified":"2023-07-20T04:37:06","modified_gmt":"2023-07-20T04:37:06","slug":"aku-tidak-menghitungnya-na","status":"publish","type":"post","link":"https:\/\/statorials.org\/id\/aku-tidak-menghitungnya-na\/","title":{"rendered":"Cara menghitung nilai non-na di r (3 contoh)"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Anda dapat menggunakan metode berikut untuk menghitung nilai non-NA di R:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Metode 1: Hitung nilai non-NA di seluruh bingkai data<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>sum( <span style=\"color: #800080;\">!<\/span> is. <span style=\"color: #3366ff;\">na<\/span> (df))\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>Metode 2: Hitung nilai non-NA di setiap kolom bingkai data<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>colSums( <span style=\"color: #800080;\">!<\/span> is. <span style=\"color: #3366ff;\">na<\/span> (df))<\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>Metode 3: Hitung nilai non-NA per grup dalam bingkai data<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">library<\/span> (dplyr)\n\ndf %&gt;%\n  group_by(var1) %&gt;%\n  summarise(total_non_na = sum( <span style=\"color: #800080;\">!<\/span> is. <span style=\"color: #3366ff;\">na<\/span> (var2)))<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Contoh berikut menunjukkan cara menggunakan masing-masing metode ini dalam praktik dengan kerangka data berikut:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #008080;\">#create data frame\n<\/span>df &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (team=c('A', 'A', 'A', 'A', 'B', 'B', 'B', 'B'),\n                 points=c(12, NA, 30, 32, 20, 22, 17, NA),\n                 rebounds=c(10, 8, 9, 13, NA, 20, 8, 7))\n\n<span style=\"color: #008080;\">#view data frame\n<\/span>df\n\n  team points rebounds\n1 to 12 10\n2 A NA 8\n3 to 30 9\n4 A 32 13\n5 B 20 NA\n6 B 22 20\n7 B 17 8\n8 B NA 7\n<\/strong><\/span><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Metode 1: Hitung nilai non-NA di seluruh bingkai data<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Kode berikut menunjukkan cara menghitung total nilai non-NA di seluruh bingkai data:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008080;\">#count non-NA values in entire data frame<\/span>\nsum( <span style=\"color: #800080;\">!<\/span> is. <span style=\"color: #3366ff;\">na<\/span> (df))\n\n[1] 21<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Dari hasilnya terlihat terdapat <strong>21<\/strong> nilai non-NA pada seluruh frame data.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Metode 2: Hitung nilai non-NA di setiap kolom bingkai data<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Kode berikut menunjukkan cara menghitung total nilai non-NA di setiap kolom bingkai data:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008080;\">#count non-NA values in each column\n<\/span>colSums( <span style=\"color: #800080;\">!<\/span> is. <span style=\"color: #3366ff;\">na<\/span> (df))\n\n    team points rebounds \n       8 6 7\n<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Dari hasilnya kita dapat melihat:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">Terdapat <strong>8<\/strong> nilai non-NA pada kolom tim.<\/span><\/li>\n<li> <span style=\"color: #000000;\">Terdapat <strong>6<\/strong> nilai non-NA pada kolom poin.<\/span><\/li>\n<li> <span style=\"color: #000000;\">Terdapat <strong>7<\/strong> nilai non-NA pada kolom pentalan.<\/span><\/li>\n<\/ul>\n<h3> <span style=\"color: #000000;\"><strong>Metode 3: Hitung nilai non-NA berdasarkan kelompok<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Kode berikut menunjukkan cara menghitung total nilai non-NA pada kolom <strong>poin<\/strong> yang dikelompokkan berdasarkan kolom <strong>tim<\/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)\ndf %&gt;%\n  group_by(team) %&gt;%\n  summarise(total_non_na = sum( <span style=\"color: #800080;\">!<\/span> is. <span style=\"color: #3366ff;\">na<\/span> (points)))\n\n# A tibble: 2 x 2\n  team total_non_na\n          \n1 to 3\n2 B 3\n<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Dari hasilnya kita dapat melihat:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">Terdapat <strong>3<\/strong> nilai non-NA pada kolom poin untuk Tim A.<\/span><\/li>\n<li> <span style=\"color: #000000;\">Terdapat <strong>3<\/strong> nilai non-NA pada kolom poin untuk Tim B.<\/span><\/li>\n<\/ul>\n<h3> <span style=\"color: #000000;\"><strong>Sumber daya tambahan<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Tutorial berikut menjelaskan cara melakukan operasi umum lainnya dengan nilai yang hilang di R:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/id\/r-menemukan-nilai-yang-hilang\/\" target=\"_blank\" rel=\"noopener\">Cara mencari dan menghitung nilai yang hilang di R<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/memperhitungkan-nilai-yang-hilang-di-r\/\" target=\"_blank\" rel=\"noopener\">Bagaimana cara memasukkan semua nilai yang hilang di R<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Anda dapat menggunakan metode berikut untuk menghitung nilai non-NA di R: Metode 1: Hitung nilai non-NA di seluruh bingkai data sum( ! is. na (df)) Metode 2: Hitung nilai non-NA di setiap kolom bingkai data colSums( ! is. na (df)) Metode 3: Hitung nilai non-NA per grup dalam bingkai data library (dplyr) df %&gt;% group_by(var1) [&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 menghitung nilai non-NA di R (3 contoh) - Statorials<\/title>\n<meta name=\"description\" content=\"Tutorial ini menjelaskan cara menghitung nilai non-NA di R, dengan beberapa contoh.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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