{"id":2508,"date":"2023-07-21T23:33:27","date_gmt":"2023-07-21T23:33:27","guid":{"rendered":"https:\/\/statorials.org\/id\/fungsi-skala-di-r\/"},"modified":"2023-07-21T23:33:27","modified_gmt":"2023-07-21T23:33:27","slug":"fungsi-skala-di-r","status":"publish","type":"post","link":"https:\/\/statorials.org\/id\/fungsi-skala-di-r\/","title":{"rendered":"Cara menggunakan fungsi scale() di r (dengan contoh)"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Fungsi <strong>scale()<\/strong> di R dapat digunakan untuk menskalakan nilai dalam vektor, matriks, atau bingkai data.<\/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>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<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: Nilai Skala dalam Vektor<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Misalkan kita memiliki vektor nilai berikut di R:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#define vector of values<\/span>\nx &lt;- c(1, 2, 3, 4, 5, 6, 7, 8, 9)\n\n<span style=\"color: #008080;\">#view mean and standard deviation of values<\/span>\nmean(x)\n\n[1] 5\n\nsd(x)\n\n[1] 2.738613\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Kode berikut menunjukkan cara menskalakan nilai vektor menggunakan fungsi <strong>scale()<\/strong> :<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#scale the values of x\n<\/span>x_scaled &lt;- scale(x)\n\n<span style=\"color: #008080;\">#view scaled values\n<\/span>x_scaled\n\n            [,1]\n [1,] -1.4605935\n [2,] -1.0954451\n [3,] -0.7302967\n [4,] -0.3651484\n [5,] 0.0000000\n [6,] 0.3651484\n [7,] 0.7302967\n [8,] 1.0954451\n [9,] 1.4605935\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Berikut adalah cara setiap nilai skala dihitung:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">Nilai 1 : (1 \u2013 5) \/ 2,738613 = <strong>-1,46<\/strong><\/span><\/li>\n<li> <span style=\"color: #000000;\">Nilai 2 : (2 \u2013 5) \/ 2,738613 = <strong>-1,09<\/strong><\/span><\/li>\n<li> <span style=\"color: #000000;\">Nilai 3 : (3 \u2013 5) \/ 2,738613 = <strong>-0,73<\/strong><\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Dan seterusnya.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Perhatikan bahwa jika kita menentukan <strong>scale=FALSE<\/strong> maka fungsi tersebut tidak akan dibagi dengan deviasi standar saat melakukan penskalaan:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#scale the values of x but don't divide by standard deviation\n<\/span>x_scaled &lt;- scale(x, scale = <span style=\"color: #008000;\">FALSE<\/span> )\n\n<span style=\"color: #008080;\">#view scaled values\n<\/span>x_scaled\n\n      [,1]\n [1,] -4\n [2,] -3\n [3,] -2\n [4,] -1\n [5,] 0\n [6,] 1\n [7,] 2\n [8,] 3\n [9,] 4\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Berikut adalah cara setiap nilai skala dihitung:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">Nilai 1: 1 \u2013 5 = <strong>-4<\/strong><\/span><\/li>\n<li> <span style=\"color: #000000;\">Nilai 2: 2 \u2013 5 = <strong>-3<\/strong><\/span><\/li>\n<li> <span style=\"color: #000000;\">Nilai 3: 3 \u2013 5 = <strong>-2<\/strong><\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Dan seterusnya.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Contoh 2: Menskalakan nilai kolom dalam bingkai data<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Paling sering, kita menggunakan fungsi scale() ketika kita ingin menskalakan nilai beberapa kolom dalam bingkai data sehingga setiap kolom memiliki rata-rata 0 dan deviasi standar 1.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Misalnya, kita memiliki bingkai data berikut di R:<\/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> (x=c(1, 2, 3, 4, 5, 6, 7, 8, 9),\n                 y=c(10, 20, 30, 40, 50, 60, 70, 80, 90))\n\n<span style=\"color: #008080;\">#view data frame\n<\/span>df\n\n  xy\n1 1 10\n2 2 20\n3 3 30\n4 4 40\n5 5 50\n6 6 60\n7 7 70\n8 8 80\n9 9 90\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Perhatikan bahwa rentang nilai variabel y jauh lebih besar daripada rentang nilai variabel x.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Kita dapat menggunakan fungsi <strong>scale()<\/strong> untuk menskalakan nilai dalam dua kolom sedemikian rupa sehingga nilai skala x dan y keduanya memiliki mean 0 dan standar deviasi 1:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#scale values in each column of data frame\n<\/span>df_scaled &lt;- scale(df)\n\n<span style=\"color: #008080;\">#view scaled data frame\n<\/span>df_scaled\n\n               xy\n [1,] -1.4605935 -1.4605935\n [2,] -1.0954451 -1.0954451\n [3,] -0.7302967 -0.7302967\n [4,] -0.3651484 -0.3651484\n [5,] 0.0000000 0.0000000\n [6,] 0.3651484 0.3651484\n [7,] 0.7302967 0.7302967\n [8,] 1.0954451 1.0954451\n [9,] 1.4605935 1.4605935\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Kolom x dan y sekarang memiliki rata-rata 0 dan simpangan baku 1.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Sumber daya tambahan<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Tutorial berikut menjelaskan cara melakukan operasi umum lainnya di R:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/id\/cara-menormalkan-data-di-r\/\" target=\"_blank\" rel=\"noopener\">Cara menormalkan data di R<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/menormalkan-data-di-r\/\" target=\"_blank\" rel=\"noopener\">Bagaimana standarisasi data di R<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/rata-rata-melintasi-kolom-di-r\/\" target=\"_blank\" rel=\"noopener\">Cara menghitung rata-rata kolom di R<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Fungsi scale() di R dapat digunakan untuk menskalakan nilai dalam vektor, matriks, atau bingkai data. Fungsi ini menggunakan sintaks dasar berikut: scale(x, center = TRUE , scale = TRUE ) Emas: x : Nama objek yang akan diskalakan center : apakah akan mengurangi mean saat melakukan penskalaan. Standarnya adalah BENAR. skala : Apakah akan membagi [&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 scale() di R (dengan contoh) - Statologi<\/title>\n<meta name=\"description\" content=\"Tutorial ini menjelaskan cara menggunakan fungsi scale() 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-skala-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 scale() di R (dengan contoh) - Statologi\" \/>\n<meta property=\"og:description\" content=\"Tutorial ini menjelaskan cara menggunakan fungsi scale() di R, dengan beberapa contoh.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/id\/fungsi-skala-di-r\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-21T23:33:27+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-skala-di-r\/\",\"url\":\"https:\/\/statorials.org\/id\/fungsi-skala-di-r\/\",\"name\":\"Cara menggunakan fungsi scale() di R (dengan contoh) - Statologi\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/id\/#website\"},\"datePublished\":\"2023-07-21T23:33:27+00:00\",\"dateModified\":\"2023-07-21T23:33:27+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81\"},\"description\":\"Tutorial ini menjelaskan cara menggunakan fungsi scale() di R, dengan beberapa contoh.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/id\/fungsi-skala-di-r\/#breadcrumb\"},\"inLanguage\":\"id\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/id\/fungsi-skala-di-r\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/id\/fungsi-skala-di-r\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/statorials.org\/id\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Cara menggunakan fungsi scale() 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. Dengan pengalaman dan keahlian yang luas di bidang statistika, saya ingin berbagi ilmu untuk memberdayakan mahasiswa melalui Statorials. Baca selengkapnya\",\"sameAs\":[\"http:\/\/statorials.org\/id\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Cara menggunakan fungsi scale() di R (dengan contoh) - Statologi","description":"Tutorial ini menjelaskan cara menggunakan fungsi scale() di R, dengan beberapa contoh.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/statorials.org\/id\/fungsi-skala-di-r\/","og_locale":"id_ID","og_type":"article","og_title":"Cara menggunakan fungsi scale() di R (dengan contoh) - Statologi","og_description":"Tutorial ini menjelaskan cara menggunakan fungsi scale() di R, dengan beberapa contoh.","og_url":"https:\/\/statorials.org\/id\/fungsi-skala-di-r\/","og_site_name":"Statorials","article_published_time":"2023-07-21T23:33:27+00:00","author":"Benjamin anderson","twitter_card":"summary_large_image","twitter_misc":{"Ditulis oleh":"Benjamin anderson","Estimasi waktu membaca":"2 menit"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/statorials.org\/id\/fungsi-skala-di-r\/","url":"https:\/\/statorials.org\/id\/fungsi-skala-di-r\/","name":"Cara menggunakan fungsi scale() di R (dengan contoh) - Statologi","isPartOf":{"@id":"https:\/\/statorials.org\/id\/#website"},"datePublished":"2023-07-21T23:33:27+00:00","dateModified":"2023-07-21T23:33:27+00:00","author":{"@id":"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81"},"description":"Tutorial ini menjelaskan cara menggunakan fungsi scale() di R, dengan beberapa contoh.","breadcrumb":{"@id":"https:\/\/statorials.org\/id\/fungsi-skala-di-r\/#breadcrumb"},"inLanguage":"id","potentialAction":[{"@type":"ReadAction","target":["https:\/\/statorials.org\/id\/fungsi-skala-di-r\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/statorials.org\/id\/fungsi-skala-di-r\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/statorials.org\/id\/"},{"@type":"ListItem","position":2,"name":"Cara menggunakan fungsi scale() 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. Dengan pengalaman dan keahlian yang luas di bidang statistika, saya ingin berbagi ilmu untuk memberdayakan mahasiswa melalui Statorials. Baca selengkapnya","sameAs":["http:\/\/statorials.org\/id"]}]}},"yoast_meta":{"yoast_wpseo_title":"","yoast_wpseo_metadesc":"","yoast_wpseo_canonical":""},"_links":{"self":[{"href":"https:\/\/statorials.org\/id\/wp-json\/wp\/v2\/posts\/2508"}],"collection":[{"href":"https:\/\/statorials.org\/id\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/statorials.org\/id\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/statorials.org\/id\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/statorials.org\/id\/wp-json\/wp\/v2\/comments?post=2508"}],"version-history":[{"count":0,"href":"https:\/\/statorials.org\/id\/wp-json\/wp\/v2\/posts\/2508\/revisions"}],"wp:attachment":[{"href":"https:\/\/statorials.org\/id\/wp-json\/wp\/v2\/media?parent=2508"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/statorials.org\/id\/wp-json\/wp\/v2\/categories?post=2508"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/statorials.org\/id\/wp-json\/wp\/v2\/tags?post=2508"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}