{"id":2857,"date":"2023-07-20T09:27:24","date_gmt":"2023-07-20T09:27:24","guid":{"rendered":"https:\/\/statorials.org\/id\/rata-rata-kumulatif-di-r\/"},"modified":"2023-07-20T09:27:24","modified_gmt":"2023-07-20T09:27:24","slug":"rata-rata-kumulatif-di-r","status":"publish","type":"post","link":"https:\/\/statorials.org\/id\/rata-rata-kumulatif-di-r\/","title":{"rendered":"Cara menghitung rata-rata kumulatif dalam r"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\"><strong>Rata-rata kumulatif<\/strong> memberi tahu kita rata-rata serangkaian nilai hingga titik tertentu.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Anda dapat menggunakan metode berikut untuk menghitung rata-rata kumulatif nilai di R:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Metode 1: Gunakan Basis R<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>cum_avg &lt;- cumsum(x) \/ seq_along(x)<\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>Metode 2: gunakan dplyr<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">library<\/span> (dplyr)\n\ncum_avg &lt;- cummean(x)<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Kedua metode memberikan hasil yang sama persis, namun metode <strong>dplyr<\/strong> cenderung bekerja lebih cepat pada frame data besar.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Contoh berikut menunjukkan cara menggunakan setiap metode dalam praktik dengan kerangka 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> (day=seq(1:16),\n                 sales=c(3, 6, 0, 2, 4, 1, 0, 1, 4, 7, 3, 3, 8, 3, 5, 5))\n\n<span style=\"color: #008080;\">#view head of data frame\n<\/span>head(df)\n\n  day sales\n1 1 3\n2 2 6\n3 3 0\n4 4 2\n5 5 4\n6 6 1\n<\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Contoh 1: Hitung rata-rata kumulatif menggunakan basis R<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Kita dapat menggunakan kode berikut untuk menambahkan kolom baru ke bingkai data yang menampilkan rata-rata penjualan kumulatif:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #008080;\">#add new column that contains cumulative avg. of sales\n<\/span>df$cum_avg_sales &lt;- cumsum(df$sales) \/ seq_along(df$sales) \n\n<span style=\"color: #008080;\">#view updated data frame\n<\/span>df\n\n   day sales cum_avg_sales\n1 1 3 3.000000\n2 2 6 4.500000\n3 3 0 3.000000\n4 4 2 2.750000\n5 5 4 3.000000\n6 6 1 2.666667\n7 7 0 2.285714\n8 8 1 2.125000\n9 9 4 2.333333\n10 10 7 2.800000\n11 11 3 2.818182\n12 12 3 2.833333\n13 13 8 3.230769\n14 14 3 3.214286\n15 15 5 3.333333\n16 16 5 3.437500\n<\/strong><\/span><\/pre>\n<p> <span style=\"color: #000000;\">Kami akan menafsirkan nilai rata-rata kumulatif sebagai:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">Rata-rata kumulatif nilai penjualan pertama adalah <strong>3<\/strong> .<\/span><\/li>\n<li> <span style=\"color: #000000;\">Rata-rata kumulatif dari dua nilai penjualan pertama adalah <strong>4,5<\/strong> .<\/span><\/li>\n<li> <span style=\"color: #000000;\">Rata-rata kumulatif dari tiga nilai penjualan pertama adalah <strong>3<\/strong> .<\/span><\/li>\n<li> <span style=\"color: #000000;\">Rata-rata kumulatif dari empat nilai penjualan pertama adalah <strong>2,75<\/strong> .<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Dan seterusnya.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Contoh 2: Hitung rata-rata kumulatif menggunakan dplyr<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Kita juga dapat menggunakan fungsi <strong>cummean<\/strong> dari paket <a href=\"https:\/\/dplyr.tidyverse.org\/\" target=\"_blank\" rel=\"noopener\">dplyr<\/a> di R untuk menghitung rata-rata kumulatif.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Kode berikut menunjukkan cara menggunakan fungsi ini untuk menambahkan kolom baru ke bingkai data kami yang menampilkan rata-rata penjualan kumulatif:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008000;\">library<\/span> (dplyr)<\/span>\n\n#add new column that contains cumulative avg. of sales\n<\/span>df$cum_avg_sales &lt;- cummean(df$sales) \n\n<span style=\"color: #008080;\">#view updated data frame\n<\/span>df\n\n   day sales cum_avg_sales\n1 1 3 3.000000\n2 2 6 4.500000\n3 3 0 3.000000\n4 4 2 2.750000\n5 5 4 3.000000\n6 6 1 2.666667\n7 7 0 2.285714\n8 8 1 2.125000\n9 9 4 2.333333\n10 10 7 2.800000\n11 11 3 2.818182\n12 12 3 2.833333\n13 13 8 3.230769\n14 14 3 3.214286\n15 15 5 3.333333\n16 16 5 3.437500\n<\/strong><\/span><\/pre>\n<p> <span style=\"color: #000000;\"><span style=\"color: #000000;\">Perhatikan bahwa metode ini mengembalikan hasil yang sama persis dengan metode sebelumnya.<\/span><\/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 menghitung metrik umum lainnya di R:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/id\/terpotong-r-maksudnya\/\" target=\"_blank\" rel=\"noopener\">Cara menghitung mean terpangkas di R<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/rata-rata-geometri-di-r\/\" target=\"_blank\" rel=\"noopener\">Cara menghitung mean geometrik di R<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/rata-rata-tertimbang-di-r\/\" target=\"_blank\" rel=\"noopener\">Cara menghitung rata-rata tertimbang dalam R<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Rata-rata kumulatif memberi tahu kita rata-rata serangkaian nilai hingga titik tertentu. Anda dapat menggunakan metode berikut untuk menghitung rata-rata kumulatif nilai di R: Metode 1: Gunakan Basis R cum_avg &lt;- cumsum(x) \/ seq_along(x) Metode 2: gunakan dplyr library (dplyr) cum_avg &lt;- cummean(x) Kedua metode memberikan hasil yang sama persis, namun metode dplyr cenderung bekerja lebih [&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 Kumulatif di R - Statologi<\/title>\n<meta name=\"description\" content=\"Tutorial ini menjelaskan cara menghitung rata-rata kumulatif 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\/rata-rata-kumulatif-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 Kumulatif di R - Statologi\" \/>\n<meta property=\"og:description\" content=\"Tutorial ini menjelaskan cara menghitung rata-rata kumulatif di R, dengan beberapa contoh.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/id\/rata-rata-kumulatif-di-r\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-20T09:27:24+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-kumulatif-di-r\/\",\"url\":\"https:\/\/statorials.org\/id\/rata-rata-kumulatif-di-r\/\",\"name\":\"Cara Menghitung Rata-Rata Kumulatif di R - Statologi\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/id\/#website\"},\"datePublished\":\"2023-07-20T09:27:24+00:00\",\"dateModified\":\"2023-07-20T09:27:24+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81\"},\"description\":\"Tutorial ini menjelaskan cara menghitung rata-rata kumulatif di R, dengan beberapa contoh.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/id\/rata-rata-kumulatif-di-r\/#breadcrumb\"},\"inLanguage\":\"id\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/id\/rata-rata-kumulatif-di-r\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/id\/rata-rata-kumulatif-di-r\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/statorials.org\/id\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Cara menghitung rata-rata kumulatif dalam 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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