{"id":1961,"date":"2023-07-24T07:21:08","date_gmt":"2023-07-24T07:21:08","guid":{"rendered":"https:\/\/statorials.org\/id\/fungsi-kuantil-di-r\/"},"modified":"2023-07-24T07:21:08","modified_gmt":"2023-07-24T07:21:08","slug":"fungsi-kuantil-di-r","status":"publish","type":"post","link":"https:\/\/statorials.org\/id\/fungsi-kuantil-di-r\/","title":{"rendered":"Cara menggunakan fungsi quantile() di r"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Dalam statistik, <strong>kuantil<\/strong> adalah nilai yang membagi kumpulan data rahasia menjadi kelompok yang sama.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Fungsi <strong>quantile()<\/strong> di R dapat digunakan untuk menghitung kuantil sampel suatu kumpulan data.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Fungsi ini menggunakan sintaks dasar berikut:<\/span><\/p>\n<p> <strong><span style=\"color: #000000;\">kuantil(x, probs = seq(0, 1, 0.25), na.rm = FALSE)<\/span><\/strong><\/p>\n<p> <span style=\"color: #000000;\">Emas:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>x<\/strong> : Nama vektor<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>probs<\/strong> : Vektor probabilitas numerik<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>na.rm<\/strong> : apakah akan menghapus nilai NA<\/span><\/li>\n<\/ul>\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: menghitung kuantil suatu vektor<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Kode berikut menunjukkan cara menghitung kuantil suatu vektor di R:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#define vector of data<\/span> \ndata = c(1, 3, 3, 4, 5, 7, 8, 9, 12, 13, 13, 15, 18, 20, 22, 23, 24, 28)\n\n<span style=\"color: #008080;\">#calculate quartiles<\/span>\nquantile(data, probs = seq(0, 1, 1\/4))\n\n 0% 25% 50% 75% 100% \n1.0 5.5 12.5 19.5 28.0 \n\n<span style=\"color: #008080;\">#calculate quintiles<\/span>\nquantile(data, probs = seq(0, 1, 1\/5))\n\n 0% 20% 40% 60% 80% 100% \n1.0 4.4 8.8 13.4 21.2 28.0 \n\n<span style=\"color: #008080;\">#calculate deciles<\/span>\nquantile(data, probs = seq(0, 1, 1\/10))\n\n 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% \n1.0 3.0 4.4 7.1 8.8 12.5 13.4 17.7 21.2 23.3 28.0 \n\n<span style=\"color: #008080;\">#calculate random quantiles of interest<\/span>\nquantile(data, probs = c(.2, .5, .9))\n\n20% 50% 90% \n4.4 12.5 23.3\n<\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Contoh 2: Hitung jumlah kolom dalam bingkai data<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Kode berikut menunjukkan cara menghitung kuantil untuk kolom tertentu dalam bingkai data:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #000000;\"><span style=\"color: #008080;\">#create data frame\n<\/span>df &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (var1=c(1, 3, 3, 4, 5, 7, 7, 8, 12, 14, 18),\n                 var2=c(7, 7, 8, 3, 2, 6, 8, 9, 11, 11, 16),\n                 var3=c(3, 3, 6, 6, 8, 4, 4, 7, 10, 10, 11))\n\n<span style=\"color: #008080;\">#calculate quartiles of column 'var2'\n<\/span>quantile(df$var2, probs = seq(0, 1, 1\/4))\n\n  0% 25% 50% 75% 100% \n 2.0 6.5 8.0 10.0 16.0<\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Kita juga bisa menggunakan fungsi <strong>sapply()<\/strong> untuk menghitung kuantil untuk beberapa kolom sekaligus:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #000000;\"><span style=\"color: #008080;\">#calculate quartiles of every column\n<\/span>sapply(df, <span style=\"color: #008000;\">function<\/span> (x) quantile(x, probs = seq(0, 1, 1\/4)))\n\n     var1 var2 var3\n0% 1.0 2.0 3\n25% 3.5 6.5 4\n50% 7.0 8.0 6\n75% 10.0 10.0 9\n100% 18.0 16.0 11\n<\/span><\/strong><\/pre>\n<h3> <strong>Contoh 3: menghitung kuantil berdasarkan kelompok<\/strong><\/h3>\n<p> <span style=\"color: #000000;\">Kode berikut menunjukkan cara menggunakan fungsi dalam paket <a href=\"https:\/\/dplyr.tidyverse.org\/\" target=\"_blank\" rel=\"noopener\">dplyr<\/a> untuk menghitung kuantil berdasarkan variabel pengelompokan:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #993300;\">library<\/span> (dplyr)\n\n<span style=\"color: #008080;\">#define data frame\n<\/span>df &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (team=c('A', 'A', 'A', 'A', 'B', 'B', 'B', 'B', 'C', 'C', 'C') ,\n                 points=c(1, 3, 3, 4, 5, 7, 7, 8, 12, 14, 18))\n\n<span style=\"color: #008080;\">#define quantiles of interest<\/span>\nq = c(.25, .5, .75)\n\n<span style=\"color: #008080;\">#calculate quantiles by grouping variable<\/span>\ndf %&gt;%\n  group_by(team) %&gt;%\n  summarize(quant25 = quantile(points, probs = q[1]), \n            quant50 = quantile(points, probs = q[2]),\n            quant75 = quantile(points, probs = q[3]))\n\n# A tibble: 3 x 4\n  team quant25 quant50 quant75\n           \n1 to 2.5 3 3.25\n2 B 6.5 7 7.25\n3 C 13 14 16   \n<\/strong><\/span><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Sumber daya tambahan<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Tutorial berikut menunjukkan cara menggunakan fungsi <strong>quantile()<\/strong> untuk menghitung nilai kuantil umum lainnya:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/id\/persentil-di-r\/\" target=\"_blank\" rel=\"noopener\">Cara menghitung persentil di R<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/desil-di-r\/\" target=\"_blank\" rel=\"noopener\">Cara menghitung desil di R<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/kuartil-di-r\/\" target=\"_blank\" rel=\"noopener\">Cara menghitung kuartil di R<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Dalam statistik, kuantil adalah nilai yang membagi kumpulan data rahasia menjadi kelompok yang sama. Fungsi quantile() di R dapat digunakan untuk menghitung kuantil sampel suatu kumpulan data. Fungsi ini menggunakan sintaks dasar berikut: kuantil(x, probs = seq(0, 1, 0.25), na.rm = FALSE) Emas: x : Nama vektor probs : Vektor probabilitas numerik na.rm : apakah [&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 quantile() di R - Statorials<\/title>\n<meta name=\"description\" content=\"Tutorial ini menjelaskan cara menggunakan fungsi quantile() di R untuk menghitung kuantil suatu dataset, 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-kuantil-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 quantile() di R - Statorials\" \/>\n<meta property=\"og:description\" content=\"Tutorial ini menjelaskan cara menggunakan fungsi quantile() di R untuk menghitung kuantil suatu dataset, dengan beberapa contoh.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/id\/fungsi-kuantil-di-r\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-24T07:21:08+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-kuantil-di-r\/\",\"url\":\"https:\/\/statorials.org\/id\/fungsi-kuantil-di-r\/\",\"name\":\"Cara menggunakan fungsi quantile() di R - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/id\/#website\"},\"datePublished\":\"2023-07-24T07:21:08+00:00\",\"dateModified\":\"2023-07-24T07:21:08+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81\"},\"description\":\"Tutorial ini menjelaskan cara menggunakan fungsi quantile() di R untuk menghitung kuantil suatu dataset, dengan beberapa contoh.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/id\/fungsi-kuantil-di-r\/#breadcrumb\"},\"inLanguage\":\"id\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/id\/fungsi-kuantil-di-r\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/id\/fungsi-kuantil-di-r\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/statorials.org\/id\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Cara menggunakan fungsi quantile() 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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