{"id":2999,"date":"2023-07-19T17:14:42","date_gmt":"2023-07-19T17:14:42","guid":{"rendered":"https:\/\/statorials.org\/id\/cdf-biasa-dengan-python\/"},"modified":"2023-07-19T17:14:42","modified_gmt":"2023-07-19T17:14:42","slug":"cdf-biasa-dengan-python","status":"publish","type":"post","link":"https:\/\/statorials.org\/id\/cdf-biasa-dengan-python\/","title":{"rendered":"Cara menghitung &amp; merencanakan cdf normal dengan python"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Fungsi distribusi kumulatif ( <strong>CDF<\/strong> ) memberi tahu kita probabilitas bahwa suatu variabel acak mempunyai nilai yang kurang dari atau sama dengan nilai tertentu.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Tutorial ini menjelaskan cara menghitung dan memplot nilai CDF normal dengan Python.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Contoh 1: Hitung Probabilitas CDF Normal dengan Python<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Cara termudah untuk menghitung probabilitas CDF normal dengan Python adalah dengan menggunakan fungsi <strong>norm.cdf()<\/strong> dari perpustakaan <a href=\"https:\/\/docs.scipy.org\/doc\/scipy\/reference\/stats.html\" target=\"_blank\" rel=\"noopener\">SciPy<\/a> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Kode berikut menunjukkan cara menghitung probabilitas suatu variabel acak bernilai kurang dari 1,96 dalam distribusi normal standar:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008000;\">from<\/span> scipy. <span style=\"color: #3366ff;\">stats<\/span> <span style=\"color: #008000;\">import<\/span> norm\n<\/span>\n#calculate probability that random value is less than 1.96 in normal CDF<\/span>\n<span style=\"color: #000000;\">norm. <span style=\"color: #3366ff;\">cdf<\/span> ( <span style=\"color: #008000;\">1.96<\/span> )\n\n<\/span>0.9750021048517795\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Probabilitas suatu variabel acak mempunyai nilai kurang dari 1,96 dalam distribusi normal standar adalah sekitar <strong>0,975<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Kita juga dapat mencari probabilitas suatu variabel acak bernilai lebih besar dari 1,96 hanya dengan mengurangkan nilai ini dari 1:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008000;\">from<\/span> scipy. <span style=\"color: #3366ff;\">stats<\/span> <span style=\"color: #008000;\">import<\/span> norm\n<\/span>\n#calculate probability that random value is greater than 1.96 in normal CDF<\/span>\n<span style=\"color: #000000;\">1 - norm. <span style=\"color: #3366ff;\">cdf<\/span> ( <span style=\"color: #008000;\">1.96<\/span> )\n\n<\/span>0.024997895148220484\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Probabilitas suatu variabel acak mempunyai nilai lebih besar dari 1,96 dalam distribusi normal standar adalah sekitar <strong>0,025<\/strong> .<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Contoh 2: Merencanakan CDF Normal<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Kode berikut menunjukkan cara memplot CDF normal dengan Python:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">import<\/span> matplotlib. <span style=\"color: #3366ff;\">pyplot<\/span> <span style=\"color: #008000;\">as<\/span> plt\n<span style=\"color: #008000;\">import<\/span> numpy <span style=\"color: #008000;\">as<\/span> np\n<span style=\"color: #008000;\">import<\/span> scipy. <span style=\"color: #3366ff;\">stats<\/span> <span style=\"color: #008000;\">as<\/span> ss\n\n<span style=\"color: #008080;\">#define x and y values to use for CDF\n<\/span>x = np. <span style=\"color: #3366ff;\">linspace<\/span> (-4, 4, 1000)\ny = ss. <span style=\"color: #3366ff;\">norm<\/span> . <span style=\"color: #3366ff;\">cdf<\/span> (x)\n\n<span style=\"color: #008080;\">#normal plot CDF\n<\/span>plt. <span style=\"color: #3366ff;\">plot<\/span> (x, y)<\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-25881\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/normcdf12.jpg\" alt=\"CDF normal dengan python\" width=\"550\" height=\"372\" srcset=\"\" sizes=\"\"><\/p>\n<p> <span style=\"color: #000000;\">Sumbu x menunjukkan nilai variabel acak yang mengikuti distribusi normal standar, dan sumbu y menunjukkan kemungkinan suatu variabel acak mengambil nilai lebih kecil dari nilai yang ditunjukkan pada sumbu x.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Misalnya, jika kita melihat x = 1,96, kita akan melihat bahwa probabilitas kumulatif x kurang dari 1,96 adalah sekitar <strong>0,975<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Jangan ragu untuk juga mengubah warna dan label sumbu plot CDF normal:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">import<\/span> matplotlib. <span style=\"color: #3366ff;\">pyplot<\/span> <span style=\"color: #008000;\">as<\/span> plt\n<span style=\"color: #008000;\">import<\/span> numpy <span style=\"color: #008000;\">as<\/span> np\n<span style=\"color: #008000;\">import<\/span> scipy. <span style=\"color: #3366ff;\">stats<\/span> <span style=\"color: #008000;\">as<\/span> ss\n\n<span style=\"color: #008080;\">#define x and y values to use for CDF\n<\/span>x = np. <span style=\"color: #3366ff;\">linspace<\/span> (-4, 4, 1000)\ny = ss. <span style=\"color: #3366ff;\">norm<\/span> . <span style=\"color: #3366ff;\">cdf<\/span> (x)\n\n<span style=\"color: #008080;\">#normal plot CDF\n<\/span>plt. <span style=\"color: #3366ff;\">plot<\/span> (x,y,color=' <span style=\"color: #ff0000;\">red<\/span> ')\nplt. <span style=\"color: #3366ff;\">title<\/span> (' <span style=\"color: #ff0000;\">Normal CDF<\/span> ')\nplt. <span style=\"color: #3366ff;\">xlabel<\/span> (' <span style=\"color: #ff0000;\">x<\/span> ')\nplt. <span style=\"color: #3366ff;\">ylabel<\/span> (' <span style=\"color: #ff0000;\">CDF<\/span> ')\n<\/strong><\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-25882 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/normcdf13.jpg\" alt=\"\" width=\"551\" height=\"383\" srcset=\"\" sizes=\"\"><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Sumber daya tambahan<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Tutorial berikut menjelaskan cara melakukan operasi umum lainnya dengan Python:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/id\/menghasilkan-python-distribusi-normal\/\" target=\"_blank\" rel=\"noopener\">Cara Menghasilkan Distribusi Normal dengan Python<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/plot-python-distribusi-normal\/\" target=\"_blank\" rel=\"noopener\">Cara Merencanakan Distribusi Normal dengan Python<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Fungsi distribusi kumulatif ( CDF ) memberi tahu kita probabilitas bahwa suatu variabel acak mempunyai nilai yang kurang dari atau sama dengan nilai tertentu. Tutorial ini menjelaskan cara menghitung dan memplot nilai CDF normal dengan Python. Contoh 1: Hitung Probabilitas CDF Normal dengan Python Cara termudah untuk menghitung probabilitas CDF normal dengan Python adalah dengan [&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 dan Merencanakan CDF Normal dengan Python - Statologi<\/title>\n<meta name=\"description\" content=\"Tutorial ini menjelaskan cara menghitung dan memplot CDF normal dengan Python, 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\/cdf-biasa-dengan-python\/\" \/>\n<meta property=\"og:locale\" content=\"id_ID\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cara Menghitung dan Merencanakan CDF Normal dengan Python - Statologi\" \/>\n<meta property=\"og:description\" content=\"Tutorial ini menjelaskan cara menghitung dan memplot CDF normal dengan Python, dengan beberapa contoh.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/id\/cdf-biasa-dengan-python\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-19T17:14:42+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/normcdf12.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\/cdf-biasa-dengan-python\/\",\"url\":\"https:\/\/statorials.org\/id\/cdf-biasa-dengan-python\/\",\"name\":\"Cara Menghitung dan Merencanakan CDF Normal dengan Python - Statologi\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/id\/#website\"},\"datePublished\":\"2023-07-19T17:14:42+00:00\",\"dateModified\":\"2023-07-19T17:14:42+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81\"},\"description\":\"Tutorial ini menjelaskan cara menghitung dan memplot CDF normal dengan Python, dengan beberapa contoh.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/id\/cdf-biasa-dengan-python\/#breadcrumb\"},\"inLanguage\":\"id\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/id\/cdf-biasa-dengan-python\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/id\/cdf-biasa-dengan-python\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/statorials.org\/id\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Cara menghitung &amp; merencanakan cdf normal dengan python\"}]},{\"@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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