{"id":2083,"date":"2023-07-23T19:04:22","date_gmt":"2023-07-23T19:04:22","guid":{"rendered":"https:\/\/statorials.org\/id\/simpangan-baku-kelompok-di-r\/"},"modified":"2023-07-23T19:04:22","modified_gmt":"2023-07-23T19:04:22","slug":"simpangan-baku-kelompok-di-r","status":"publish","type":"post","link":"https:\/\/statorials.org\/id\/simpangan-baku-kelompok-di-r\/","title":{"rendered":"Cara menghitung deviasi standar berkerumun di r"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\"><strong>Deviasi standar gabungan<\/strong> hanyalah rata-rata tertimbang dari deviasi standar dua atau lebih kelompok independen.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Dalam statistik, hal ini paling sering muncul dalam <a href=\"https:\/\/statorials.org\/id\/uji-dua-sampel-anda\/\" target=\"_blank\" rel=\"noopener noreferrer\">uji-t dua sampel<\/a> , yang digunakan untuk menguji apakah rata-rata dua populasi sama atau tidak.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Rumus untuk menghitung simpangan baku berkerumun untuk dua kelompok adalah:<\/span><\/p>\n<p> <strong><span style=\"color: #000000;\">Simpangan baku gabungan = \u221a <span style=\"border-top: 1px solid black;\">(n <sub>1<\/sub> -1)s <sub>1<\/sub> <sup>2<\/sup> + (n <sub>2<\/sub> -1)s <sub>2<\/sub> <sup>2<\/sup> \/ (n <sub>1<\/sub> +n <sub>2<\/sub> -2)<\/span><\/span><\/strong><\/p>\n<p> <span style=\"color: #000000;\">Emas:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong><sub>n1<\/sub> , <sub>n2<\/sub> :<\/strong> Ukuran sampel masing-masing untuk kelompok 1 dan kelompok 2.<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>s <sub>1<\/sub> , s <sub>2<\/sub> :<\/strong> Simpangan baku masing-masing untuk grup 1 dan grup 2.<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Contoh berikut menunjukkan dua metode untuk menghitung deviasi standar berkerumun antara dua kelompok di R.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Metode 1: Hitung deviasi standar berkerumun secara manual<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Misalkan kita memiliki nilai data berikut untuk dua sampel:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>Contoh 1<\/strong> : 6, 6, 7, 8, 8, 10, 11, 13, 15, 15, 16, 17, 19, 19, 21<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>Contoh 2<\/strong> : 10, 11, 13, 13, 15, 17, 17, 19, 20, 22, 24, 25, 27, 29, 29<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Kode berikut menunjukkan cara menghitung simpangan baku gabungan antara dua sampel ini:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#define two samples\n<\/span>data1 &lt;- c(6, 6, 7, 8, 8, 10, 11, 13, 15, 15, 16, 17, 19, 19, 21)\ndata2 &lt;- c(10, 11, 13, 13, 15, 17, 17, 19, 20, 22, 24, 25, 27, 29, 29)\n\n<span style=\"color: #008080;\">#find sample standard deviation of each sample\n<\/span>s1 &lt;- <span style=\"color: #3366ff;\">sd<\/span> (data1)\ns2 &lt; <span style=\"color: #3366ff;\">-sd<\/span> (data2)\n\n<span style=\"color: #008080;\">#find sample size of each sample\n<\/span>n1 &lt;- <span style=\"color: #3366ff;\">length<\/span> (data1)\nn2 &lt;- <span style=\"color: #3366ff;\">length<\/span> (data2)\n\n<span style=\"color: #008080;\">#calculate pooled standard deviation\n<\/span>pooled &lt;- <span style=\"color: #3366ff;\">sqrt<\/span> (((n1-1)*s1^2 + (n2-1)*s2^2) \/ (n1+n1-2))\n\n<span style=\"color: #008080;\">#view pooled standard deviation\n<\/span>pooled\n\n[1] 5.789564\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Deviasi standar yang dikumpulkan ternyata menjadi <strong>5.789564<\/strong> .<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Metode 2: Hitung Deviasi Standar Tergugus Menggunakan Paket<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Cara lain untuk menghitung simpangan baku gabungan antara dua sampel di R adalah dengan menggunakan fungsi <strong>sd_pooled()<\/strong> dari paket <strong>effectize<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Kode berikut menunjukkan cara menggunakan fungsi ini dalam praktiknya:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #ff0000;\">library<\/span> (effectsize)<\/span>\n\n#define two samples\n<\/span>data1 &lt;- c(6, 6, 7, 8, 8, 10, 11, 13, 15, 15, 16, 17, 19, 19, 21)\ndata2 &lt;- c(10, 11, 13, 13, 15, 17, 17, 19, 20, 22, 24, 25, 27, 29, 29)\n\n<span style=\"color: #008080;\">#calculate pooled standard deviation between two samples\n<\/span>sd_pooled(data1, data2)\n\n[1] 5.789564\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Deviasi standar yang dikumpulkan ternyata menjadi <strong>5.789564<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Perhatikan bahwa ini cocok dengan nilai yang kita hitung secara manual pada contoh sebelumnya.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Sumber daya tambahan<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Tutorial berikut memberikan informasi lebih lanjut tentang menghitung deviasi standar berkerumun:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/id\/simpangan-baku-kelompok\/\" target=\"_blank\" rel=\"noopener\">Pengantar Deviasi Standar Terkelompok<\/a><br \/> Kalkulator Deviasi Standar Berkelompok<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Deviasi standar gabungan hanyalah rata-rata tertimbang dari deviasi standar dua atau lebih kelompok independen. Dalam statistik, hal ini paling sering muncul dalam uji-t dua sampel , yang digunakan untuk menguji apakah rata-rata dua populasi sama atau tidak. Rumus untuk menghitung simpangan baku berkerumun untuk dua kelompok adalah: Simpangan baku gabungan = \u221a (n 1 -1)s [&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 Deviasi Standar Berkelompok di R - Statologi<\/title>\n<meta name=\"description\" content=\"Tutorial ini menjelaskan cara menghitung deviasi standar berkerumun di R, dengan sebuah 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\/simpangan-baku-kelompok-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 Deviasi Standar Berkelompok di R - Statologi\" \/>\n<meta property=\"og:description\" content=\"Tutorial ini menjelaskan cara menghitung deviasi standar berkerumun di R, dengan sebuah contoh.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/id\/simpangan-baku-kelompok-di-r\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-23T19:04:22+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\/simpangan-baku-kelompok-di-r\/\",\"url\":\"https:\/\/statorials.org\/id\/simpangan-baku-kelompok-di-r\/\",\"name\":\"Cara Menghitung Deviasi Standar Berkelompok di R - Statologi\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/id\/#website\"},\"datePublished\":\"2023-07-23T19:04:22+00:00\",\"dateModified\":\"2023-07-23T19:04:22+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81\"},\"description\":\"Tutorial ini menjelaskan cara menghitung deviasi standar berkerumun di R, dengan sebuah contoh.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/id\/simpangan-baku-kelompok-di-r\/#breadcrumb\"},\"inLanguage\":\"id\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/id\/simpangan-baku-kelompok-di-r\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/id\/simpangan-baku-kelompok-di-r\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/statorials.org\/id\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Cara menghitung deviasi standar berkerumun 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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