{"id":2068,"date":"2023-07-23T20:48:45","date_gmt":"2023-07-23T20:48:45","guid":{"rendered":"https:\/\/statorials.org\/id\/col-artinya-di-r\/"},"modified":"2023-07-23T20:48:45","modified_gmt":"2023-07-23T20:48:45","slug":"col-artinya-di-r","status":"publish","type":"post","link":"https:\/\/statorials.org\/id\/col-artinya-di-r\/","title":{"rendered":"Cara menggunakan fungsi colmeans() di r"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Fungsi <strong>colMeans()<\/strong> di R dapat digunakan untuk menghitung rata-rata beberapa kolom matriks atau bingkai data di R.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Fungsi ini menggunakan sintaks dasar berikut:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#calculate column means of every column<\/span>\ncolMeans(df)\n\n<span style=\"color: #008080;\">#calculate column means and exclude NA values<\/span>\ncolMeans(df, na. <span style=\"color: #3366ff;\">rm<\/span> = <span style=\"color: #008000;\">T<\/span> )\n\n<span style=\"color: #008080;\">#calculate column means of specific columns<\/span>\ncolMeans(df[c(' <span style=\"color: #ff0000;\">col1<\/span> ', ' <span style=\"color: #ff0000;\">col3<\/span> ', ' <span style=\"color: #ff0000;\">col4<\/span> ')])<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Contoh berikut menunjukkan cara menggunakan sintaksis ini dalam praktiknya.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Contoh 1: Hitung rata-rata setiap kolom<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Kode berikut menunjukkan cara menghitung rata-rata setiap kolom dalam bingkai data:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create data frame\n<\/span>df &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (points=c(99, 91, 86, 88, 95),\n                 assists=c(33, 28, 31, 39, 34),\n                 rebounds=c(30, 28, 24, 24, 28),\n                 blocks=c(1, 4, 11, 0, 2))\n\n<span style=\"color: #008080;\">#calculate column means\n<\/span>colMeans(df)\n\n  points assists rebounds blocks \n    91.8 33.0 26.8 3.6<\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Contoh 2<\/strong><\/span> <span style=\"color: #000000;\"><strong>: Hitung rata-rata setiap kolom dan kecualikan NA<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Kode berikut menunjukkan cara menghitung rata-rata setiap kolom dan mengecualikan nilai NA:<\/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>df &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (points=c(99, 91, 86, 88, 95),\n                 assists=c(33, NA, 31, 39, 34),\n                 rebounds=c(30, 28, NA, NA, 28),\n                 blocks=c(1, 4, 11, 0, 2))\n\n<span style=\"color: #008080;\">#calculate column means\n<\/span>colMeans(df, na. <span style=\"color: #3366ff;\">rm<\/span> = <span style=\"color: #008000;\">T<\/span> )\n\n  points assists rebounds blocks \n91.80000 34.25000 28.66667 3.60000<\/strong><\/pre>\n<h3> <strong>Contoh 3: Hitung rata-rata kolom tertentu<\/strong><\/h3>\n<p> <span style=\"color: #000000;\">Kode berikut menunjukkan cara menghitung nilai rata-rata kolom tertentu dalam bingkai data:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create data frame\n<\/span>df &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (points=c(99, 91, 86, 88, 95),\n                 assists=c(33, 28, 31, 39, 34),\n                 rebounds=c(30, 28, 24, 24, 28),\n                 blocks=c(1, 4, 11, 0, 2))\n\n<span style=\"color: #008080;\">#calculate column means for 'points' and 'blocks' columns\n<\/span>colMeans(df[c(' <span style=\"color: #ff0000;\">points<\/span> ', ' <span style=\"color: #ff0000;\">blocks<\/span> ')])\n\npoint blocks \n  91.8 3.6<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Perhatikan bahwa kita juga dapat menggunakan nilai indeks untuk membuat rata-rata kolom tertentu:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create data frame\n<\/span>df &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (points=c(99, 91, 86, 88, 95),\n                 assists=c(33, 28, 31, 39, 34),\n                 rebounds=c(30, 28, 24, 24, 28),\n                 blocks=c(1, 4, 11, 0, 2))\n\n<span style=\"color: #008080;\">#calculate column means for columns in position 1 and 4\n<\/span>colMeans(df[c(1, 4)])\n\npoint blocks \n  91.8 3.6<\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Sumber daya tambahan<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Tutorial berikut menjelaskan cara menjalankan fungsi umum lainnya di R:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/id\/simpangan-baku-kolom-di-r\/\" target=\"_blank\" rel=\"noopener\">Cara menghitung simpangan baku kolom di R<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/r-rata-rata-per-kelompok\/\" target=\"_blank\" rel=\"noopener\">Cara menghitung mean per grup di R<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/jumlah-berdasarkan-kelompok-di-r\/\" target=\"_blank\" rel=\"noopener\">Cara menghitung jumlah berdasarkan kelompok di R<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Fungsi colMeans() di R dapat digunakan untuk menghitung rata-rata beberapa kolom matriks atau bingkai data di R. Fungsi ini menggunakan sintaks dasar berikut: #calculate column means of every column colMeans(df) #calculate column means and exclude NA values colMeans(df, na. rm = T ) #calculate column means of specific columns colMeans(df[c(&#8216; col1 &#8216;, &#8216; col3 &#8216;, [&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 colMeans() di R \u2013 Statorials<\/title>\n<meta name=\"description\" content=\"Tutorial ini menjelaskan cara menggunakan fungsi colMeans() 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\/col-artinya-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 colMeans() di R \u2013 Statorials\" \/>\n<meta property=\"og:description\" content=\"Tutorial ini menjelaskan cara menggunakan fungsi colMeans() di R, dengan beberapa contoh.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/id\/col-artinya-di-r\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-23T20:48:45+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=\"1 menit\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/id\/col-artinya-di-r\/\",\"url\":\"https:\/\/statorials.org\/id\/col-artinya-di-r\/\",\"name\":\"Cara menggunakan fungsi colMeans() di R \u2013 Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/id\/#website\"},\"datePublished\":\"2023-07-23T20:48:45+00:00\",\"dateModified\":\"2023-07-23T20:48:45+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81\"},\"description\":\"Tutorial ini menjelaskan cara menggunakan fungsi colMeans() di R, dengan beberapa contoh.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/id\/col-artinya-di-r\/#breadcrumb\"},\"inLanguage\":\"id\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/id\/col-artinya-di-r\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/id\/col-artinya-di-r\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/statorials.org\/id\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Cara menggunakan fungsi colmeans() 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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