{"id":3434,"date":"2023-07-17T12:26:45","date_gmt":"2023-07-17T12:26:45","guid":{"rendered":"https:\/\/statorials.org\/id\/hanya-skala-kolom-numerik\/"},"modified":"2023-07-17T12:26:45","modified_gmt":"2023-07-17T12:26:45","slug":"hanya-skala-kolom-numerik","status":"publish","type":"post","link":"https:\/\/statorials.org\/id\/hanya-skala-kolom-numerik\/","title":{"rendered":"Cara menskalakan hanya kolom numerik di r (dengan contoh)"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Anda dapat menggunakan sintaks berikut dari paket <a href=\"https:\/\/dplyr.tidyverse.org\/\" target=\"_blank\" rel=\"noopener\">dplyr<\/a> untuk menskalakan kolom numerik bingkai data di R saja:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">library<\/span> (dplyr)\n\ndf %&gt;% mutate(across(where(is. <span style=\"color: #3366ff;\">numeric<\/span> ), scale))\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Contoh berikut menunjukkan cara menggunakan fungsi ini dalam praktiknya.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Contoh: Skalakan kolom numerik saja menggunakan dplyr<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Misalkan kita memiliki kerangka data berikut di R yang berisi informasi tentang berbagai pemain bola basket:<\/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> (team=c('A', 'B', 'C', 'D', 'E'),\n                 dots=c(22, 34, 30, 12, 18),\n                 assists=c(7, 9, 9, 12, 14),\n                 rebounds=c(5, 10, 10, 8, 8))\n\n<span style=\"color: #008080;\">#view data frame\n<\/span>df\n\n  team points assists rebounds\n1 to 22 7 5\n2 B 34 9 10\n3 C 30 9 10\n4 D 12 12 8\n5 E 18 14 8\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Misalkan kita ingin menggunakan fungsi <a href=\"https:\/\/statorials.org\/id\/fungsi-skala-di-r\/\" target=\"_blank\" rel=\"noopener\">skala<\/a> di R untuk menskalakan kolom numerik saja dari bingkai data.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Kita dapat menggunakan sintaks berikut untuk melakukan ini:<\/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)\n\n<span style=\"color: #008080;\">#scale only the numeric columns in the data frame\n<\/span>df %&gt;% mutate(across(where(is. <span style=\"color: #3366ff;\">numeric<\/span> ), scale))\n\n  team points assists rebounds\n1 A -0.1348400 -1.153200 -1.56144012\n2 B 1.2135598 -0.432450 0.87831007\n3 C 0.7640932 -0.432450 0.87831007\n4 D -1.2585064 0.648675 -0.09759001\n5 E -0.5843065 1.369425 -0.09759001\n<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Perhatikan bahwa nilai dalam tiga kolom numerik ( <strong>poin<\/strong> , <strong>assist<\/strong> , dan <strong>rebound<\/strong> ) diskalakan sementara kolom <strong>tim<\/strong> tetap tidak berubah.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong><span style=\"color: #000000;\">Catatan teknis<\/span><\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Fungsi <strong>scale()<\/strong> di R menggunakan sintaks dasar berikut:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>scale(x, center = <span style=\"color: #008000;\">TRUE<\/span> , scale = <span style=\"color: #008000;\">TRUE<\/span> )\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Emas:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>x<\/strong> : Nama objek yang akan diskalakan<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>center<\/strong> : apakah akan mengurangi mean saat melakukan penskalaan. Standarnya adalah BENAR.<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>skala<\/strong> : Apakah akan membagi dengan deviasi standar saat melakukan penskalaan. Standarnya adalah BENAR.<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Fungsi ini menggunakan rumus berikut untuk menghitung nilai berskala:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong><sub>berskala<\/sub> x = ( <sub>asli<\/sub> x \u2013 x\u0304) \/ s<\/strong><\/span><\/p>\n<p> <span style=\"color: #000000;\">Emas:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>x <sub>asli<\/sub><\/strong> : Nilai x asli<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>x\u0304<\/strong> : Rata-rata sampel<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>s<\/strong> : simpangan baku sampel<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Ini juga dikenal sebagai <em>normalisasi<\/em> data, yang hanya mengubah setiap nilai asli menjadi <a href=\"https:\/\/statorials.org\/id\/menafsirkan-skor-z\/\" target=\"_blank\" rel=\"noopener\">skor-z<\/a> .<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Sumber daya tambahan<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Tutorial berikut menjelaskan cara melakukan tugas umum lainnya menggunakan dplyr:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/id\/dplyr-pilih-kolom-berdasarkan-nama\/\" target=\"_blank\" rel=\"noopener\">Cara memilih kolom berdasarkan nama menggunakan dplyr<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/dplyr-pilih-kolom-berdasarkan-indeks\/\" target=\"_blank\" rel=\"noopener\">Cara memilih kolom berdasarkan indeks menggunakan dplyr<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/dplyr-pilih-jika-beberapa-kondisi\/\" target=\"_blank\" rel=\"noopener\">Cara menggunakan select_if dengan beberapa kondisi di dplyr<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Anda dapat menggunakan sintaks berikut dari paket dplyr untuk menskalakan kolom numerik bingkai data di R saja: library (dplyr) df %&gt;% mutate(across(where(is. numeric ), scale)) Contoh berikut menunjukkan cara menggunakan fungsi ini dalam praktiknya. Contoh: Skalakan kolom numerik saja menggunakan dplyr Misalkan kita memiliki kerangka data berikut di R yang berisi informasi tentang berbagai pemain [&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 menskalakan hanya kolom numerik di R (dengan contoh) - Statorial<\/title>\n<meta name=\"description\" content=\"Tutorial ini menjelaskan cara menskalakan hanya kolom numerik dari bingkai data di R menggunakan fungsi dalam paket dplyr.\" \/>\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\/hanya-skala-kolom-numerik\/\" \/>\n<meta property=\"og:locale\" content=\"id_ID\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cara menskalakan hanya kolom numerik di R (dengan contoh) - Statorial\" \/>\n<meta property=\"og:description\" content=\"Tutorial ini menjelaskan cara menskalakan hanya kolom numerik dari bingkai data di R menggunakan fungsi dalam paket dplyr.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/id\/hanya-skala-kolom-numerik\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-17T12:26:45+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\/hanya-skala-kolom-numerik\/\",\"url\":\"https:\/\/statorials.org\/id\/hanya-skala-kolom-numerik\/\",\"name\":\"Cara menskalakan hanya kolom numerik di R (dengan contoh) - Statorial\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/id\/#website\"},\"datePublished\":\"2023-07-17T12:26:45+00:00\",\"dateModified\":\"2023-07-17T12:26:45+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81\"},\"description\":\"Tutorial ini menjelaskan cara menskalakan hanya kolom numerik dari bingkai data di R menggunakan fungsi dalam paket dplyr.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/id\/hanya-skala-kolom-numerik\/#breadcrumb\"},\"inLanguage\":\"id\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/id\/hanya-skala-kolom-numerik\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/id\/hanya-skala-kolom-numerik\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/statorials.org\/id\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Cara menskalakan hanya kolom numerik 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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