{"id":1877,"date":"2023-07-24T15:19:51","date_gmt":"2023-07-24T15:19:51","guid":{"rendered":"https:\/\/statorials.org\/id\/fungsi-kolom-di-r\/"},"modified":"2023-07-24T15:19:51","modified_gmt":"2023-07-24T15:19:51","slug":"fungsi-kolom-di-r","status":"publish","type":"post","link":"https:\/\/statorials.org\/id\/fungsi-kolom-di-r\/","title":{"rendered":"Cara menggunakan fungsi colsums() di r"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Fungsi <strong>colSums()<\/strong> di R dapat digunakan untuk menghitung jumlah nilai setiap kolom matriks atau bingkai data di R.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Fungsi ini menggunakan sintaks dasar berikut:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>colSums(x, na.rm=FALSE)<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">Emas:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>x<\/strong> : Nama matriks atau blok data.<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>na.rm<\/strong> : apakah akan mengabaikan nilai NA. Nilai defaultnya adalah salah.<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Contoh berikut menunjukkan cara menggunakan fungsi ini dalam praktiknya.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Contoh 1: Menggunakan colSums() dengan Data Frame<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Kode berikut menunjukkan cara menggunakan <strong>colSums()<\/strong> untuk menemukan jumlah nilai di setiap kolom bingkai data:<\/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> (var1=c(1, 3, 3, 4, 5),\n                 var2=c(7, 2, 5, 3, 2),\n                 var3=c(3, 3, 6, 6, 8),\n                 var4=c(1, 1, 2, 14, 9))<\/span>\n\n#view data frame\n<span style=\"color: #000000;\">df\n\n  var1 var2 var3 var4\n1 1 7 3 1\n2 3 2 3 1\n3 3 5 6 2\n4 4 3 6 14\n5 5 2 8 9\n\n<span style=\"color: #008080;\">#find sum of each column\n<\/span>colSums(df)\n\nvar1 var2 var3 var4 \n  16 19 26 27 \n<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Berikut cara menafsirkan hasilnya:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">Jumlah nilai di kolom &#8216;var1&#8217; adalah <strong>16<\/strong> .<\/span><\/li>\n<li> <span style=\"color: #000000;\">Jumlah nilai di kolom &#8216;var2&#8217; adalah <strong>19<\/strong> .<\/span><\/li>\n<li> <span style=\"color: #000000;\">Jumlah nilai di kolom &#8216;var3&#8217; adalah <strong>26<\/strong> .<\/span><\/li>\n<li> <span style=\"color: #000000;\">Jumlah nilai di kolom &#8216;var4&#8217; adalah <strong>27<\/strong> .<\/span><\/li>\n<\/ul>\n<h3> <span style=\"color: #000000;\"><strong>Contoh 2: Gunakan colSums() dengan nilai NA dalam bingkai data<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Kode berikut menunjukkan cara menggunakan <strong>colSums()<\/strong> untuk menemukan jumlah nilai di setiap kolom bingkai data ketika ada nilai NA di beberapa kolom:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create data frame with some NA values\n<span style=\"color: #000000;\">df &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (var1=c(1, 3, 3, 4, 5),\n                 var2=c(7, NA, NA, 3, 2),\n                 var3=c(3, 3, 6, 6, 8),\n                 var4=c(1, 1, 2, NA, 9))<\/span>\n\n#view data frame\n<span style=\"color: #000000;\">df\n\n  var1 var2 var3 var4\n1 1 7 3 1\n2 3 NA 3 1\n3 3 NA 6 2\n4 4 3 6 NA\n5 5 2 8 9\n\n#find sum of each column\ncolSums(df, na. <span style=\"color: #3366ff;\">rm<\/span> = <span style=\"color: #008000;\">TRUE<\/span> )\n\nvar1 var2 var3 var4 \n  16 12 26 13<\/span><\/span><\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Contoh 3: Gunakan colSums() dengan kolom tertentu<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Kode berikut menunjukkan cara menggunakan <strong>colSums()<\/strong> untuk menemukan jumlah nilai dalam kolom tertentu dari bingkai data:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create data frame with some NA values\n<span style=\"color: #000000;\">df &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (var1=c(1, 3, 3, 4, 5),\n                 var2=c(7, NA, NA, 3, 2),\n                 var3=c(3, 3, 6, 6, 8),\n                 var4=c(1, 1, 2, NA, 9))<\/span>\n\n#view data frame\n<span style=\"color: #000000;\">df\n\n  var1 var2 var3 var4\n1 1 7 3 1\n2 3 NA 3 1\n3 3 NA 6 2\n4 4 3 6 NA\n5 5 2 8 9\n\n<span style=\"color: #008080;\">#find sum of columns 1, 3, and 4\n<\/span>colSums(df[, c(1, 3, 4)], na. <span style=\"color: #3366ff;\">rm<\/span> = <span style=\"color: #008000;\">TRUE<\/span> )\n\nvar1 var3 var4 \n  16 26 13<\/span><\/span><\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Sumber daya tambahan<\/strong><\/span><\/h3>\n<p> <a href=\"https:\/\/statorials.org\/id\/tambahkan-kolom-tertentu-di-r\/\" target=\"_blank\" rel=\"noopener\">Cara Menambahkan Kolom Tertentu di R (Dengan Contoh)<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/jumlah-baris-tertentu-di-r\/\" target=\"_blank\" rel=\"noopener\">Cara Menambahkan Baris Tertentu di R (Dengan Contoh)<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Fungsi colSums() di R dapat digunakan untuk menghitung jumlah nilai setiap kolom matriks atau bingkai data di R. Fungsi ini menggunakan sintaks dasar berikut: colSums(x, na.rm=FALSE) Emas: x : Nama matriks atau blok data. na.rm : apakah akan mengabaikan nilai NA. Nilai defaultnya adalah salah. Contoh berikut menunjukkan cara menggunakan fungsi ini dalam praktiknya. Contoh [&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 menggunakan fungsi colSums() di R \u2013 Statorials<\/title>\n<meta name=\"description\" content=\"Tutorial ini menjelaskan cara menggunakan fungsi colSums() 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\" href=\"https:\/\/statorials.org\/id\/fungsi-kolom-di-r\/\" \/>\n<meta property=\"og:locale\" content=\"id_ID\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cara menggunakan fungsi colSums() di R \u2013 Statorials\" \/>\n<meta property=\"og:description\" content=\"Tutorial ini menjelaskan cara menggunakan fungsi colSums() di R, dengan beberapa contoh.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/id\/fungsi-kolom-di-r\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-24T15:19:51+00:00\" \/>\n<meta name=\"author\" content=\"Benjamin anderson\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Ditulis oleh\" \/>\n\t<meta name=\"twitter:data1\" content=\"Benjamin anderson\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimasi waktu membaca\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 menit\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/id\/fungsi-kolom-di-r\/\",\"url\":\"https:\/\/statorials.org\/id\/fungsi-kolom-di-r\/\",\"name\":\"Cara menggunakan fungsi colSums() di R \u2013 Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/id\/#website\"},\"datePublished\":\"2023-07-24T15:19:51+00:00\",\"dateModified\":\"2023-07-24T15:19:51+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81\"},\"description\":\"Tutorial ini menjelaskan cara menggunakan fungsi colSums() di R, dengan beberapa contoh.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/id\/fungsi-kolom-di-r\/#breadcrumb\"},\"inLanguage\":\"id\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/id\/fungsi-kolom-di-r\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/id\/fungsi-kolom-di-r\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/statorials.org\/id\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Cara menggunakan fungsi colsums() di r\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/statorials.org\/id\/#website\",\"url\":\"https:\/\/statorials.org\/id\/\",\"name\":\"Statorials\",\"description\":\"Panduan anda untuk kompetensi statistik!\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/statorials.org\/id\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"id\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81\",\"name\":\"Benjamin anderson\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"id\",\"@id\":\"https:\/\/statorials.org\/id\/#\/schema\/person\/image\/\",\"url\":\"http:\/\/statorials.org\/id\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"contentUrl\":\"http:\/\/statorials.org\/id\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"caption\":\"Benjamin anderson\"},\"description\":\"Halo, saya Benjamin, pensiunan profesor statistika yang menjadi guru Statorial yang berdedikasi. 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