{"id":1088,"date":"2023-07-27T17:17:59","date_gmt":"2023-07-27T17:17:59","guid":{"rendered":"https:\/\/statorials.org\/id\/hitung-rata-rata-beberapa-kolom-di-r\/"},"modified":"2023-07-27T17:17:59","modified_gmt":"2023-07-27T17:17:59","slug":"hitung-rata-rata-beberapa-kolom-di-r","status":"publish","type":"post","link":"https:\/\/statorials.org\/id\/hitung-rata-rata-beberapa-kolom-di-r\/","title":{"rendered":"Cara menghitung rata-rata beberapa kolom di r"},"content":{"rendered":"

<\/p>\n

\n

Seringkali Anda mungkin ingin menghitung rata-rata beberapa kolom di R. Untungnya, Anda dapat dengan mudah melakukannya menggunakan fungsi colMeans()<\/strong> .<\/span><\/p>\n

 colMeans(df)<\/strong><\/pre>\n
 Contoh berikut menunjukkan cara menggunakan fungsi ini dalam praktiknya.<\/span><\/p>\n
 Menggunakan colMeans() untuk menemukan rata-rata beberapa kolom<\/strong><\/span><\/h3>\n
 Kode berikut menunjukkan cara menggunakan fungsi colMeans()<\/strong> untuk mencari rata-rata setiap kolom dalam bingkai data:<\/span><\/p>\n
 #create data frame<\/span>\ndf <- data.frame(var1=c(1, 3, 3, 4, 5),\n                 var2=c(7, 7, 8, 3, 2),\n                 var3=c(3, 3, 6, 6, 8),\n                 var4=c(1, 1, 2, 8, 9))\n\n#find mean of each column<\/span>\ncolMeans(df)\n\nvar1 var2 var3 var4 \n 3.2 5.4 5.2 4.2 \n<\/strong><\/pre>\n
 Kami juga dapat menentukan kolom mana<\/em> yang akan dicari rata-ratanya:<\/span><\/p>\n
 #find the mean of columns 2 and 3<\/span>\ncolMeans(df[, c(2, 3)])\n\nvar2 var3 \n 5.4 5.2 \n\n#find the mean of the first three columns<\/span>\ncolMeans(df[, 1:3])\n\nvar1 var2 var3 \n 3.2 5.4 5.2<\/strong><\/pre>\n
 Jika ada kolom yang bukan numerik, Anda dapat menggunakan sapply()<\/a> untuk menentukan bahwa Anda hanya ingin mencari rata-rata kolom numerik:<\/span><\/p>\n
 #create data frame<\/span>\ndf <- data.frame(var1=c(1, 3, 3, 4, 5),\n                 var2=c(7, 7, 8, 3, 2),\n                 var3=c(3, 3, 6, 6, 8),\n                 var4=c(1, 1, 2, 8, 9),\n                 var5=c('a', 'a', 'b', 'b', 'c'))\n\n#find mean of only<\/em> numeric columns<\/span>\ncolMeans(df[ sapply<\/span> (df, is.numeric)])\n\nvar1 var2 var3 var4 \n 3.2 5.4 5.2 4.2<\/strong><\/pre>\n
 Dan jika ada nilai yang hilang di kolom mana pun, Anda dapat menggunakan argumen na.rm=TRUE<\/strong> untuk mengabaikan nilai yang hilang saat menghitung rata-rata:<\/span><\/p>\n
 #create data frame with some missing values<\/span>\ndf <- data.frame(var1=c(1, 3, NA, NA, 5),\n                 var2=c(7, 7, 8, 3, 2),\n                 var3=c(3, 3, 6, 6, 8),\n                 var4=c(1, 1, 2, 8, NA))\n\n#find mean of each column and ignore missing values<\/span>\ncolMeans(df, na.rm= TRUE<\/span> )\n\nvar1 var2 var3 var4 \n 3.0 5.4 5.2 3.0<\/strong><\/pre>\n
 Sumber daya tambahan<\/strong><\/span><\/h3>\n
 Cara mengulangi nama kolom di R<\/a>
 Cara menjumlahkan kolom tertentu di R<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
Seringkali Anda mungkin ingin menghitung rata-rata beberapa kolom di R. Untungnya, Anda dapat dengan mudah melakukannya menggunakan fungsi colMeans() . colMeans(df) Contoh berikut menunjukkan cara menggunakan fungsi ini dalam praktiknya. Menggunakan colMeans() untuk menemukan rata-rata beberapa kolom Kode berikut menunjukkan cara menggunakan fungsi colMeans() untuk mencari rata-rata setiap kolom dalam bingkai data: #create data frame […]<\/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":"\nCara menghitung rata-rata beberapa kolom di R - Statorials<\/title>\n<meta name=\"description\" content=\"Tutorial ini menunjukkan beberapa metode berbeda yang dapat Anda gunakan untuk menghitung rata-rata beberapa kolom dalam bingkai data di R.\" \/>\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\/hitung-rata-rata-beberapa-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 beberapa kolom di R - Statorials\" \/>\n<meta property=\"og:description\" content=\"Tutorial ini menunjukkan beberapa metode berbeda yang dapat Anda gunakan untuk menghitung rata-rata beberapa kolom dalam bingkai data di R.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/id\/hitung-rata-rata-beberapa-kolom-di-r\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-27T17:17:59+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\/hitung-rata-rata-beberapa-kolom-di-r\/\",\"url\":\"https:\/\/statorials.org\/id\/hitung-rata-rata-beberapa-kolom-di-r\/\",\"name\":\"Cara menghitung rata-rata beberapa kolom di R - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/id\/#website\"},\"datePublished\":\"2023-07-27T17:17:59+00:00\",\"dateModified\":\"2023-07-27T17:17:59+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81\"},\"description\":\"Tutorial ini menunjukkan beberapa metode berbeda yang dapat Anda gunakan untuk menghitung rata-rata beberapa kolom dalam bingkai data di R.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/id\/hitung-rata-rata-beberapa-kolom-di-r\/#breadcrumb\"},\"inLanguage\":\"id\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/id\/hitung-rata-rata-beberapa-kolom-di-r\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/id\/hitung-rata-rata-beberapa-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 beberapa kolom 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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