{"id":2966,"date":"2023-07-19T21:02:07","date_gmt":"2023-07-19T21:02:07","guid":{"rendered":"https:\/\/statorials.org\/id\/distribusi-chi-kuadrat-di-r-dchisq-pchisq-qchisq-rchisq\/"},"modified":"2023-07-19T21:02:07","modified_gmt":"2023-07-19T21:02:07","slug":"distribusi-chi-kuadrat-di-r-dchisq-pchisq-qchisq-rchisq","status":"publish","type":"post","link":"https:\/\/statorials.org\/id\/distribusi-chi-kuadrat-di-r-dchisq-pchisq-qchisq-rchisq\/","title":{"rendered":"Distribusi chi-kuadrat di r: dchisq, pchisq, qchisq, rchisq"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Tutorial ini menjelaskan cara menggunakan distribusi Chi-kuadrat di R menggunakan fungsi berikut:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>dchisq<\/strong> : Mengembalikan nilai fungsi kepadatan probabilitas Chi-kuadrat.<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>pchisq<\/strong> : Mengembalikan nilai fungsi kepadatan kumulatif Chi-Square.<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>qchisq<\/strong> : mengembalikan nilai fungsi kuantil Chi-Kuadrat.<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>rchisq<\/strong> : menghasilkan vektor variabel acak terdistribusi Chi-Square.<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Contoh berikut menunjukkan cara menggunakan masing-masing fungsi ini dalam praktiknya.<\/span><\/p>\n<h2> <strong><span style=\"color: #000000;\">dchisq<\/span><\/strong><\/h2>\n<p> <span style=\"color: #000000;\"><span style=\"color: #000000;\">Kita sering menggunakan fungsi <strong>dchisq()<\/strong> dengan fungsi <strong>Curve()<\/strong> untuk memplot distribusi Chi-kuadrat dengan sejumlah derajat kebebasan tertentu.<\/span><\/span><\/p>\n<p> <span style=\"color: #000000;\">Misalnya, kita dapat menggunakan kode berikut untuk memplot distribusi Chi-kuadrat dengan 5 derajat kebebasan:<\/span> <\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#plot Chi_Square distribution with 5 degrees of freedom<\/span>\ncurve(dchisq(x, df= <span style=\"color: #008000;\">5<\/span> ), from= <span style=\"color: #008000;\">0<\/span> , to= <span style=\"color: #008000;\">20<\/span> )\n<\/strong><\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-25700 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/chisq1.jpg\" alt=\"\" width=\"441\" height=\"406\" srcset=\"\" sizes=\"\"><\/p>\n<p> <span style=\"color: #000000;\"><span style=\"color: #000000;\">Sumbu x menunjukkan nilai statistik uji Chi-kuadrat dan sumbu y menunjukkan nilai fungsi kepadatan probabilitas yang sesuai.<\/span><\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Terkait:<\/strong> <a href=\"https:\/\/statorials.org\/id\/plot-distribusi-chi-kuadrat-di-r\/\" target=\"_blank\" rel=\"noopener\">Cara Mudah Merencanakan Distribusi Chi-Kuadrat di R<\/a><\/span><\/p>\n<h2> <strong><span style=\"color: #000000;\">pchisq<\/span><\/strong><\/h2>\n<p> <span style=\"color: #000000;\">Kami sering menggunakan <strong>pchisq()<\/strong> <b>&nbsp;<\/b> berfungsi untuk mencari <a href=\"https:\/\/statorials.org\/id\/p-menghargai-signifikansi-statistik\/\" target=\"_blank\" rel=\"noopener\">nilai p<\/a> yang sesuai dengan statistik uji Chi-kuadrat yang diberikan.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Misalnya kita melakukan <a href=\"https:\/\/statorials.org\/id\/uji-kemandirian-chi-kuadrat-di-r\/\" target=\"_blank\" rel=\"noopener\">uji independensi chi-kuadrat<\/a> dan memperoleh statistik uji <sup>X2<\/sup> = 0,86404 dengan 2 derajat kebebasan.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Kita dapat menggunakan fungsi <strong>pchisq()<\/strong> untuk mencari nilai p yang sesuai dengan statistik pengujian ini:<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#calculate p-value for given test statistic with 2 degrees of freedom<\/span>\n1-pchisq(0.86404, df= <span style=\"color: #008000;\">2<\/span> )\n\n[1] 0.6491964\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Nilai pnya ternyata <strong>0,6491964<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Kami juga dapat mengonfirmasi kebenarannya dengan menggunakan <a href=\"https:\/\/statorials.org\/id\/kalkulator-nilai-p-chi-kuadrat\/\" target=\"_blank\" rel=\"noopener\">kalkulator skor chi-kuadrat ke nilai-P.<\/a><\/span><\/p>\n<h2> <strong><span style=\"color: #000000;\">sesuatu<\/span><\/strong><\/h2>\n<p> <span style=\"color: #000000;\">Kami sering menggunakan <strong>qchisq()<\/strong> <b>&nbsp;<\/b> berfungsi untuk mencari nilai chi-kuadrat kritis yang sesuai dengan tingkat signifikansi dan derajat kebebasan tertentu.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Misalnya, kita dapat menggunakan kode berikut untuk mencari nilai kritis Chi-kuadrat yang sesuai dengan tingkat signifikansi 0,05 dengan 13 derajat kebebasan:<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\">qchisq(p= <span style=\"color: #008000;\">.95<\/span> , df= <span style=\"color: #008000;\">13<\/span> )\n\n[1] 22.36203\n<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Nilai kritisnya ternyata <strong>22.36203<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Kami juga dapat memastikan kebenarannya dengan menggunakan <a href=\"https:\/\/statorials.org\/id\/kalkulator-nilai-kritis-chi-kuadrat\/\" target=\"_blank\" rel=\"noopener\">kalkulator nilai kritis chi-kuadrat<\/a> .<\/span><\/p>\n<h2> <strong><span style=\"color: #000000;\">rchisq<\/span><\/strong><\/h2>\n<p> <span style=\"color: #000000;\">Kami sering menggunakan <strong>rchisq()<\/strong> <b>&nbsp;<\/b> berfungsi untuk menghasilkan daftar <em>n<\/em> nilai acak yang mengikuti distribusi Chi-kuadrat dengan derajat kebebasan tertentu.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Misalnya, kita dapat menggunakan kode berikut untuk menghasilkan daftar 1.000 nilai acak yang mengikuti distribusi Chi-kuadrat dengan 5 derajat kebebasan:<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008080;\">#make this example reproducible<\/span>\nset. <span style=\"color: #3366ff;\">seed<\/span> ( <span style=\"color: #008000;\">0<\/span> ) \n\n<span style=\"color: #008080;\">#generate 1000 random values that follow Chi-Square dist with df=5\n<\/span>values &lt;- rchisq(n= <span style=\"color: #008000;\">1000<\/span> , df= <span style=\"color: #008000;\">5<\/span> )\n\n<span style=\"color: #008080;\">#view first five values<\/span>\nhead(values)\n\n[1] 8.369701 3.130487 1.985623 5.258747 10.578594 6.360859\n<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><span style=\"color: #000000;\">Kita juga bisa menggunakan fungsi <strong>hist(<\/strong> ) untuk menghasilkan histogram guna memvisualisasikan distribusi nilai ini:<\/span><\/span> <\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008080;\">#create histogram to visualize distribution of values\n<\/span>hist(values)\n<\/span><\/span><\/strong><\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-25701 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/chisq2.jpg\" alt=\"\" width=\"429\" height=\"429\" srcset=\"\" sizes=\"\"><\/p>\n<p> <span style=\"color: #000000;\">Sumbu x menunjukkan nilai data dan sumbu y menunjukkan frekuensi nilai tersebut.<\/span><\/p>\n<h3> <strong><span style=\"color: #000000;\">Sumber daya tambahan<\/span><\/strong><\/h3>\n<p> <span style=\"color: #000000;\">Tutorial berikut menjelaskan cara bekerja dengan distribusi lain di R:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/id\/dnorm-pnorm-rnorm-qnorm-di-r\/\" target=\"_blank\" rel=\"noopener\">Distribusi normal di R: dnorm, pnorm, qnorm dan rnorm<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/dbinom-pbinom-qbinom-rbinom-di-r\/\" target=\"_blank\" rel=\"noopener\">Distribusi binomial di R: dbinom, pbinom, qbinom dan rbinom<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/ppois-ppois-qpois-rpois-r\/\" target=\"_blank\" rel=\"noopener\">Sebaran ikan di R: dpois, ppois, qpois dan rpois<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tutorial ini menjelaskan cara menggunakan distribusi Chi-kuadrat di R menggunakan fungsi berikut: dchisq : Mengembalikan nilai fungsi kepadatan probabilitas Chi-kuadrat. pchisq : Mengembalikan nilai fungsi kepadatan kumulatif Chi-Square. qchisq : mengembalikan nilai fungsi kuantil Chi-Kuadrat. rchisq : menghasilkan vektor variabel acak terdistribusi Chi-Square. Contoh berikut menunjukkan cara menggunakan masing-masing fungsi ini dalam praktiknya. dchisq Kita [&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>Distribusi Chi kuadrat di R: dchisq, pchisq, qchisq, rchisq - Statorials<\/title>\n<meta name=\"description\" content=\"Tutorial ini menjelaskan cara menggunakan distribusi Chi-kuadrat di R menggunakan fungsi dchisq, pchisq, qchisq, dan rchisq.\" \/>\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\/distribusi-chi-kuadrat-di-r-dchisq-pchisq-qchisq-rchisq\/\" \/>\n<meta property=\"og:locale\" content=\"id_ID\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Distribusi Chi kuadrat di R: dchisq, pchisq, qchisq, rchisq - Statorials\" \/>\n<meta property=\"og:description\" content=\"Tutorial ini menjelaskan cara menggunakan distribusi Chi-kuadrat di R menggunakan fungsi dchisq, pchisq, qchisq, dan rchisq.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/id\/distribusi-chi-kuadrat-di-r-dchisq-pchisq-qchisq-rchisq\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-19T21:02:07+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/chisq1.jpg\" \/>\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\/distribusi-chi-kuadrat-di-r-dchisq-pchisq-qchisq-rchisq\/\",\"url\":\"https:\/\/statorials.org\/id\/distribusi-chi-kuadrat-di-r-dchisq-pchisq-qchisq-rchisq\/\",\"name\":\"Distribusi Chi kuadrat di R: dchisq, pchisq, qchisq, rchisq - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/id\/#website\"},\"datePublished\":\"2023-07-19T21:02:07+00:00\",\"dateModified\":\"2023-07-19T21:02:07+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81\"},\"description\":\"Tutorial ini menjelaskan cara menggunakan distribusi Chi-kuadrat di R menggunakan fungsi dchisq, pchisq, qchisq, dan rchisq.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/id\/distribusi-chi-kuadrat-di-r-dchisq-pchisq-qchisq-rchisq\/#breadcrumb\"},\"inLanguage\":\"id\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/id\/distribusi-chi-kuadrat-di-r-dchisq-pchisq-qchisq-rchisq\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/id\/distribusi-chi-kuadrat-di-r-dchisq-pchisq-qchisq-rchisq\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/statorials.org\/id\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Distribusi chi-kuadrat di r: dchisq, pchisq, qchisq, rchisq\"}]},{\"@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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