{"id":1079,"date":"2023-07-27T18:03:43","date_gmt":"2023-07-27T18:03:43","guid":{"rendered":"https:\/\/statorials.org\/id\/rata-rata-melintasi-kolom-di-r\/"},"modified":"2023-07-27T18:03:43","modified_gmt":"2023-07-27T18:03:43","slug":"rata-rata-melintasi-kolom-di-r","status":"publish","type":"post","link":"https:\/\/statorials.org\/id\/rata-rata-melintasi-kolom-di-r\/","title":{"rendered":"Cara menghitung rata-rata kolom di r (dengan contoh)"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Seringkali Anda mungkin ingin menghitung rata-rata nilai di beberapa kolom di R. Untungnya, ini mudah dilakukan menggunakan fungsi <strong>rowMeans()<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Tutorial ini menunjukkan beberapa contoh penggunaan praktis fungsi ini.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Contoh 1: Temukan rata-rata di semua kolom<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Kode berikut menunjukkan cara menghitung nilai rata-rata setiap baris di <em>semua<\/em> kolom dalam bingkai data:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create data frame<\/span>\ndata &lt;- data.frame(var1 = c(0, NA, 2, 2, 5),\n                   var2 = c(5, 5, 7, 8, 9),\n                   var3 = c(2, 7, 9, 9, 7))\n\n<span style=\"color: #008080;\">#view data frame\n<\/span>data\n\n  var1 var2 var3\n1 0 5 2\n2 NA 5 7\n3 2 7 9\n4 2 8 9\n5 5 9 7\n\n<span style=\"color: #008080;\">#find average value in each row\n<\/span>rowMeans(data, na.rm= <span style=\"color: #008000;\">TRUE<\/span> )\n\n[1] 2.333333 6.000000 6.000000 6.333333 7.000000\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Cara menafsirkan hasilnya adalah sebagai berikut:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">Nilai rata-rata pada baris pertama adalah <strong>2,333<\/strong> .<\/span><\/li>\n<li> <span style=\"color: #000000;\">Nilai rata-rata pada baris kedua adalah <strong>6<\/strong> .<\/span><\/li>\n<li> <span style=\"color: #000000;\">Nilai rata-rata pada baris ketiga adalah <strong>6<\/strong> .<\/span><\/li>\n<li> <span style=\"color: #000000;\">Nilai rata-rata pada baris keempat adalah <strong>6.333<\/strong> .<\/span><\/li>\n<li> <span style=\"color: #000000;\">Nilai rata-rata pada baris kelima adalah <strong>7<\/strong> .<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Anda juga dapat menetapkan rata-rata baris berikut ke variabel baru dalam bingkai data:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#assign row averages to new variable named <em>row_mean<\/em><\/span>\ndata$row_mean &lt;- rowMeans(data, na.rm= <span style=\"color: #008000;\">TRUE<\/span> )\n\n<span style=\"color: #008080;\">#view data frame\n<\/span>data\n\n  var1 var2 var3 row_mean\n1 0 5 2 2.333333\n2 NA 5 7 6.000000\n3 2 7 9 6.000000\n4 2 8 9 6.333333\n5 5 9 7 7.000000\n<\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Contoh 2: Temukan rata-rata pada kolom tertentu<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Dimungkinkan juga untuk menemukan rata-rata hanya pada kolom tertentu dari bingkai data. Misalnya, kode berikut menunjukkan cara menghitung rata-rata baris hanya untuk dua kolom pertama:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#find row averages across first two columns<\/span>\n<span style=\"color: #008080;\"><span style=\"color: #000000;\">data$new &lt;- rowMeans(data[, c(1,2)], na.rm= <span style=\"color: #008000;\">TRUE<\/span> )<\/span>\n\n#view data frame\n<\/span>data\n\n  var1 var2 var3 new\n1 0 5 2 2.5\n2 NA 5 7 5.0\n3 2 7 9 4.5\n4 2 8 9 5.0\n5 5 9 7 7.0<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Kita bisa melihat ini:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">Nilai rata-rata baris pertama dari dua kolom pertama adalah <strong>2.5<\/strong> .<\/span><\/li>\n<li> <span style=\"color: #000000;\">Nilai rata-rata baris kedua dari dua kolom pertama adalah <strong>5<\/strong> .<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Dan seterusnya.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Anda dapat menggunakan sintaks serupa untuk menemukan rata-rata baris untuk kumpulan kolom mana pun. Misalnya, kode berikut menunjukkan cara menghitung rata-rata baris hanya untuk kolom pertama dan ketiga:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#find row averages across first and third columns<\/span>\n<span style=\"color: #008080;\"><span style=\"color: #000000;\">data$new &lt;- rowMeans(data[, c(1,3)], na.rm= <span style=\"color: #008000;\">TRUE<\/span> )<\/span>\n\n#view data frame\n<\/span>data\n\n  var1 var2 var3 new\n1 0 5 2 1.0\n2 NA 5 7 7.0\n3 2 7 9 5.5\n4 2 8 9 5.5\n5 5 9 7 6.0<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Kita bisa melihat ini:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">Nilai rata-rata baris pertama kolom pertama dan ketiga adalah <strong>1<\/strong> .<\/span><\/li>\n<li> <span style=\"color: #000000;\">Nilai rata-rata pada baris kedua kolom pertama dan ketiga adalah <strong>7<\/strong> .<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Dan seterusnya.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><em>Anda dapat menemukan lebih banyak tutorial R di sini .<\/em><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Seringkali Anda mungkin ingin menghitung rata-rata nilai di beberapa kolom di R. Untungnya, ini mudah dilakukan menggunakan fungsi rowMeans() . Tutorial ini menunjukkan beberapa contoh penggunaan praktis fungsi ini. Contoh 1: Temukan rata-rata di semua kolom Kode berikut menunjukkan cara menghitung nilai rata-rata setiap baris di semua kolom dalam bingkai data: #create data frame data [&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 Rata-Rata Kolom di R (Dengan Contoh)<\/title>\n<meta name=\"description\" content=\"Penjelasan sederhana tentang cara menghitung rata-rata kolom di R, termasuk 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\/rata-rata-melintasi-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 Menghitung Rata-Rata Kolom di R (Dengan Contoh)\" \/>\n<meta property=\"og:description\" content=\"Penjelasan sederhana tentang cara menghitung rata-rata kolom di R, termasuk beberapa contoh.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/id\/rata-rata-melintasi-kolom-di-r\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-27T18:03:43+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\/rata-rata-melintasi-kolom-di-r\/\",\"url\":\"https:\/\/statorials.org\/id\/rata-rata-melintasi-kolom-di-r\/\",\"name\":\"Cara Menghitung Rata-Rata Kolom di R (Dengan Contoh)\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/id\/#website\"},\"datePublished\":\"2023-07-27T18:03:43+00:00\",\"dateModified\":\"2023-07-27T18:03:43+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81\"},\"description\":\"Penjelasan sederhana tentang cara menghitung rata-rata kolom di R, termasuk beberapa contoh.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/id\/rata-rata-melintasi-kolom-di-r\/#breadcrumb\"},\"inLanguage\":\"id\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/id\/rata-rata-melintasi-kolom-di-r\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/id\/rata-rata-melintasi-kolom-di-r\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/statorials.org\/id\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Cara menghitung rata-rata kolom di r (dengan contoh)\"}]},{\"@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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