{"id":495,"date":"2023-07-29T17:32:33","date_gmt":"2023-07-29T17:32:33","guid":{"rendered":"https:\/\/statorials.org\/id\/plot-distribusi-chi-kuadrat-di-r\/"},"modified":"2023-07-29T17:32:33","modified_gmt":"2023-07-29T17:32:33","slug":"plot-distribusi-chi-kuadrat-di-r","status":"publish","type":"post","link":"https:\/\/statorials.org\/id\/plot-distribusi-chi-kuadrat-di-r\/","title":{"rendered":"Cara mudah membuat plot distribusi chi-kuadrat di r"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Untuk membuat plot kepadatan distribusi Chi-kuadrat di R, kita dapat menggunakan fungsi berikut:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>dchisq()<\/strong> untuk membuat fungsi kepadatan probabilitas<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>Curve()<\/strong> untuk memplot fungsi kepadatan probabilitas<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Yang perlu kita lakukan untuk membuat plot adalah menentukan <em>derajat kebebasan<\/em> untuk <strong>dchisq()<\/strong> serta titik <em>keluar<\/em> dan <em>belakang<\/em> untuk <strong>curve()<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Misalnya, kode berikut mengilustrasikan cara membuat plot kepadatan untuk distribusi Chi-kuadrat dengan 10 derajat kebebasan dengan sumbu x plot tersebut antara 0 dan 40:<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong>curve(dchisq(x, df = 10), from = 0, to = 40)\n<\/strong><\/pre>\n<h2> <span style=\"color: #000000;\"><strong>Mengedit plot kepadatan<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Kita juga dapat mengedit plot kepadatan dengan menambahkan judul, mengubah label sumbu Y, menambah lebar garis, dan mengubah warna garis:<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong>curve(dchisq(x, df = 10), from = 0, to = 40,\n      main = 'Chi-Square Distribution (df = 10)', <span style=\"color: #008080;\">#add title<\/span>\n      ylab = 'Density', <span style=\"color: #008080;\">#change y-axis label<\/span>\n      lwd = 2, <span style=\"color: #008080;\">#increase line width to 2<\/span>\n      col = 'steelblue') <span style=\"color: #008080;\">#change line color to steelblue<\/span><\/strong><\/pre>\n<h2> <span style=\"color: #000000;\"><strong>Isi plot kepadatan<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Selain membuat plot kepadatan, kita dapat mengisi bagian plot menggunakan fungsi <strong>polygon()<\/strong> berdasarkan nilai awal dan akhir.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Kode berikut menunjukkan cara mengisi bagian kepadatan plot untuk nilai x antara 10 dan 40:<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create density curve\n<span style=\"color: #000000;\">curve(dchisq(x, df = 10), from = 0, to = 40,<\/span>\n<span style=\"color: #000000;\">main = 'Chi-Square Distribution (df = 10)',<\/span>\n<span style=\"color: #000000;\">ylab = 'Density',<\/span>\n<span style=\"color: #000000;\">lwd = 2)<\/span>\n\n#create vector of x values<\/span>\nx_vector &lt;- seq(10, 40)\n\n<span style=\"color: #008080;\">#create vector of chi-square density values\n<\/span>p_vector &lt;- dchisq(x_vector, df = 10)\n\n<span style=\"color: #008080;\">#fill in portion of the density plot from 0 to 40\n<\/span>polygon(c(x_vector, rev(x_vector)), c(p_vector, rep(0, length(p_vector))),\n        col = adjustcolor('red', alpha=0.3), border = NA)<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Kode berikut menunjukkan cara mengisi bagian kepadatan plot untuk nilai x antara 0 dan 10:<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create density curve\n<span style=\"color: #000000;\">curve(dchisq(x, df = 10), from = 0, to = 40,<\/span>\n<span style=\"color: #000000;\">main = 'Chi-Square Distribution (df = 10)',<\/span>\n<span style=\"color: #000000;\">ylab = 'Density',<\/span>\n<span style=\"color: #000000;\">lwd = 2)<\/span>\n\n#create vector of x values\n<\/span>x_vector &lt;- seq( <span style=\"color: #800080;\">0, 10<\/span> )\n\n<span style=\"color: #008080;\">#create vector of chi-square density values\n<\/span>p_vector &lt;- dchisq(x_vector, df = 10)\n\n<span style=\"color: #008080;\">#fill in portion of the density plot from 0 to 10\n<\/span>polygon(c(x_vector, rev(x_vector)), c(p_vector, rep(0, length(p_vector))),\n        col = adjustcolor('red', alpha=0.3), border = NA)<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Kode berikut mengilustrasikan cara mengisi bagian plot kepadatan untuk nilai x <em>di luar<\/em> 95% pusat distribusi:<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create density curve\n<\/span>curve(dchisq(x, df = 10), from = 0, to = 40,\nmain = 'Chi-Square Distribution (df = 10)',\nylab = 'Density',\nlwd = 2)\n\n<span style=\"color: #008080;\">#find upper and lower values for middle 95% of distribution\n<\/span>lower95 &lt;- qchisq(.025, 10)\nupper95 &lt;- qchisq(.975, 10)\n\n<span style=\"color: #008080;\">#create vector of x values\n<\/span>x_lower95 &lt;- seq(0, lower95)\n\n<span style=\"color: #008080;\">#create vector of chi-square density values\n<\/span>p_lower95 &lt;- dchisq(x_lower95, df = 10)\n\n<span style=\"color: #008080;\">#fill in portion of the density plot from 0 to lower 95% value\n<\/span>polygon(c(x_lower95, rev(x_lower95)), c(p_lower95, rep(0, length(p_lower95))),\n        col = adjustcolor('red', alpha=0.3), border = NA)\n\n<span style=\"color: #008080;\">#create vector of x values\n<\/span>x_upper95 &lt;- seq(upper95, 40)\n\n<span style=\"color: #008080;\">#create vector of chi-square density values\n<\/span>p_upper95 &lt;- dchisq(x_upper95, df = 10)\n\n<span style=\"color: #008080;\">#fill in portion of the density plot for upper 95% value to end of plot\n<\/span>polygon(c(x_upper95, rev(x_upper95)), c(p_upper95, rep(0, length(p_upper95))),\n        col = adjustcolor('red', alpha=0.3), border = NA)<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Terakhir, kode berikut mengilustrasikan cara mengisi bagian plot kepadatan untuk nilai x yang berada <i>di dalam<\/i> 95% pusat distribusi:<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create density curve\n<\/span>curve(dchisq(x, df = 10), from = 0, to = 40,\nmain = 'Chi-Square Distribution (df = 10)',\nylab = 'Density',\nlwd = 2)\n\n<span style=\"color: #008080;\">#find upper and lower values for middle 95% of distribution\n<\/span>lower95 &lt;- qchisq(.025, 10)\nupper95 &lt;- qchisq(.975, 10)\n\n<span style=\"color: #008080;\">#create vector of x values\n<\/span>x_vector &lt;- seq(lower95, upper95)\n\n<span style=\"color: #008080;\">#create vector of chi-square density values\n<\/span>p_vector &lt;- dchisq(x_vector, df = 10)\n\n<span style=\"color: #008080;\">#fill in density plot\n<\/span>polygon(c(x_vector, rev(x_vector)), c(p_vector, rep(0, length(p_vector))),\n        col = adjustcolor('red', alpha=0.3), border = NA)<\/strong><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Untuk membuat plot kepadatan distribusi Chi-kuadrat di R, kita dapat menggunakan fungsi berikut: dchisq() untuk membuat fungsi kepadatan probabilitas Curve() untuk memplot fungsi kepadatan probabilitas Yang perlu kita lakukan untuk membuat plot adalah menentukan derajat kebebasan untuk dchisq() serta titik keluar dan belakang untuk curve() . Misalnya, kode berikut mengilustrasikan cara membuat plot kepadatan untuk [&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 Mudah Merencanakan Distribusi Chi-Kuadrat di R - Statologi<\/title>\n<meta name=\"description\" content=\"Penjelasan sederhana tentang cara memplot distribusi Chi-kuadrat di R.\" \/>\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\/plot-distribusi-chi-kuadrat-di-r\/\" \/>\n<meta property=\"og:locale\" content=\"id_ID\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cara Mudah Merencanakan Distribusi Chi-Kuadrat di R - Statologi\" \/>\n<meta property=\"og:description\" content=\"Penjelasan sederhana tentang cara memplot distribusi Chi-kuadrat di R.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/id\/plot-distribusi-chi-kuadrat-di-r\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-29T17:32:33+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=\"3 menit\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/id\/plot-distribusi-chi-kuadrat-di-r\/\",\"url\":\"https:\/\/statorials.org\/id\/plot-distribusi-chi-kuadrat-di-r\/\",\"name\":\"Cara Mudah Merencanakan Distribusi Chi-Kuadrat di R - Statologi\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/id\/#website\"},\"datePublished\":\"2023-07-29T17:32:33+00:00\",\"dateModified\":\"2023-07-29T17:32:33+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81\"},\"description\":\"Penjelasan sederhana tentang cara memplot distribusi Chi-kuadrat di R.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/id\/plot-distribusi-chi-kuadrat-di-r\/#breadcrumb\"},\"inLanguage\":\"id\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/id\/plot-distribusi-chi-kuadrat-di-r\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/id\/plot-distribusi-chi-kuadrat-di-r\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/statorials.org\/id\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Cara mudah membuat plot distribusi chi-kuadrat 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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