{"id":1373,"date":"2023-07-26T15:59:42","date_gmt":"2023-07-26T15:59:42","guid":{"rendered":"https:\/\/statorials.org\/id\/tes-chow-di-r\/"},"modified":"2023-07-26T15:59:42","modified_gmt":"2023-07-26T15:59:42","slug":"tes-chow-di-r","status":"publish","type":"post","link":"https:\/\/statorials.org\/id\/tes-chow-di-r\/","title":{"rendered":"Cara melakukan tes chow di r"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\"><a href=\"https:\/\/statorials.org\/id\/tes-makanan\/\" target=\"_blank\" rel=\"noopener\">Uji Chow<\/a> digunakan untuk menguji apakah koefisien dari dua model regresi yang berbeda pada kumpulan data yang berbeda adalah sama.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Tes ini biasanya digunakan dalam bidang ekonometrika dengan data deret waktu untuk menentukan apakah terdapat kerusakan struktural pada data pada suatu titik waktu tertentu.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Tutorial ini memberikan contoh langkah demi langkah tentang cara melakukan tes Chow di R.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Langkah 1: Buat datanya<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Pertama, kami akan membuat data palsu:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create data<\/span>\ndata &lt;- data.frame(x = c(1, 1, 2, 3, 4, 4, 5, 5, 6, 7, 7, 8, 8, 9, 10, 10,\n                         11, 12, 12, 13, 14, 15, 15, 16, 17, 18, 18, 19, 20, 20),\n                   y = c(3, 5, 6, 10, 13, 15, 17, 14, 20, 23, 25, 27, 30, 30, 31,\n                         33, 32, 32, 30, 32, 34, 34, 37, 35, 34, 36, 34, 37, 38, 36))\n\n<span style=\"color: #008080;\">#view first six rows of data<\/span>\nhead(data)\n\n  xy\n1 1 3\n2 1 5\n3 2 6\n4 3 10\n5 4 13\n6 4 15\n<\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Langkah 2: Visualisasikan datanya<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Selanjutnya, kita akan membuat diagram sebar sederhana untuk memvisualisasikan data:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#load ggplot2 visualization package\n<\/span><span style=\"color: #993300;\">library<\/span> (ggplot2)\n\n<span style=\"color: #008080;\">#create scatterplot\n<\/span>ggplot(data, <span style=\"color: #3366ff;\">aes<\/span> (x = x, y = y)) +\n    geom_point(col=' <span style=\"color: #008000;\">steelblue<\/span> ', size= <span style=\"color: #008000;\">3<\/span> )\n<\/strong><\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-13615 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/bouffer1.png\" alt=\"Pengujian makanan di R\" width=\"419\" height=\"418\" srcset=\"\" sizes=\"\"><\/p>\n<p> <span style=\"color: #000000;\">Dari scatterplot terlihat bahwa pola pada data tampak berubah pada x = 10. Dengan demikian, kita dapat melakukan uji Chow untuk mengetahui apakah terdapat break point struktural pada data pada x = 10.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Langkah 3: Lakukan Tes Chow<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Kita dapat menggunakan<\/span> fungsi <a href=\"https:\/\/www.rdocumentation.org\/packages\/strucchange\/versions\/1.5-2\/topics\/sctest\" target=\"_blank\" rel=\"noopener\">sctest<\/a> <span style=\"color: #000000;\">dari paket <strong>strucchange<\/strong> untuk melakukan tes Chow:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#load strucchange package\n<\/span><span style=\"color: #993300;\">library<\/span> (strucchange)\n\n<span style=\"color: #008080;\">#perform Chow test<\/span>\nsctest(data$y ~ data$x, type = \" <span style=\"color: #008000;\">Chow<\/span> \", point = <span style=\"color: #008000;\">10<\/span> )\n\n\tChow test\n\ndata: data$y ~ data$x\nF = 110.14, p-value = 2.023e-13\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Dari hasil pengujian kita dapat melihat:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>Statistik<\/strong> <strong>uji F<\/strong> : 110,14<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>nilai p:<\/strong> &lt;.0000<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Karena nilai p kurang dari 0,05, kita dapat menolak hipotesis nol dari pengujian tersebut. Ini berarti bahwa kita mempunyai cukup bukti untuk mengatakan bahwa terdapat titik henti struktural dalam data.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Dengan kata lain, dua garis regresi dapat memasukkan model ke dalam data dengan lebih efektif dibandingkan satu garis regresi.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Uji Chow digunakan untuk menguji apakah koefisien dari dua model regresi yang berbeda pada kumpulan data yang berbeda adalah sama. Tes ini biasanya digunakan dalam bidang ekonometrika dengan data deret waktu untuk menentukan apakah terdapat kerusakan struktural pada data pada suatu titik waktu tertentu. Tutorial ini memberikan contoh langkah demi langkah tentang cara melakukan tes [&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 Melakukan Tes Chow di R - Statologi<\/title>\n<meta name=\"description\" content=\"Tutorial ini menjelaskan cara melakukan tes Chow di R, termasuk contoh langkah demi langkah.\" \/>\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\/tes-chow-di-r\/\" \/>\n<meta property=\"og:locale\" content=\"id_ID\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cara Melakukan Tes Chow di R - Statologi\" \/>\n<meta property=\"og:description\" content=\"Tutorial ini menjelaskan cara melakukan tes Chow di R, termasuk contoh langkah demi langkah.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/id\/tes-chow-di-r\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-26T15:59:42+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/bouffer1.png\" \/>\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\/tes-chow-di-r\/\",\"url\":\"https:\/\/statorials.org\/id\/tes-chow-di-r\/\",\"name\":\"Cara Melakukan Tes Chow di R - Statologi\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/id\/#website\"},\"datePublished\":\"2023-07-26T15:59:42+00:00\",\"dateModified\":\"2023-07-26T15:59:42+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81\"},\"description\":\"Tutorial ini menjelaskan cara melakukan tes Chow di R, termasuk contoh langkah demi langkah.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/id\/tes-chow-di-r\/#breadcrumb\"},\"inLanguage\":\"id\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/id\/tes-chow-di-r\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/id\/tes-chow-di-r\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/statorials.org\/id\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Cara melakukan tes chow 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. Dengan pengalaman dan keahlian yang luas di bidang statistika, saya ingin berbagi ilmu untuk memberdayakan mahasiswa melalui Statorials. Baca selengkapnya\",\"sameAs\":[\"http:\/\/statorials.org\/id\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Cara Melakukan Tes Chow di R - Statologi","description":"Tutorial ini menjelaskan cara melakukan tes Chow di R, termasuk contoh langkah demi langkah.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/statorials.org\/id\/tes-chow-di-r\/","og_locale":"id_ID","og_type":"article","og_title":"Cara Melakukan Tes Chow di R - Statologi","og_description":"Tutorial ini menjelaskan cara melakukan tes Chow di R, termasuk contoh langkah demi langkah.","og_url":"https:\/\/statorials.org\/id\/tes-chow-di-r\/","og_site_name":"Statorials","article_published_time":"2023-07-26T15:59:42+00:00","og_image":[{"url":"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/bouffer1.png"}],"author":"Benjamin anderson","twitter_card":"summary_large_image","twitter_misc":{"Ditulis oleh":"Benjamin anderson","Estimasi waktu membaca":"1 menit"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/statorials.org\/id\/tes-chow-di-r\/","url":"https:\/\/statorials.org\/id\/tes-chow-di-r\/","name":"Cara Melakukan Tes Chow di R - Statologi","isPartOf":{"@id":"https:\/\/statorials.org\/id\/#website"},"datePublished":"2023-07-26T15:59:42+00:00","dateModified":"2023-07-26T15:59:42+00:00","author":{"@id":"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81"},"description":"Tutorial ini menjelaskan cara melakukan tes Chow di R, termasuk contoh langkah demi langkah.","breadcrumb":{"@id":"https:\/\/statorials.org\/id\/tes-chow-di-r\/#breadcrumb"},"inLanguage":"id","potentialAction":[{"@type":"ReadAction","target":["https:\/\/statorials.org\/id\/tes-chow-di-r\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/statorials.org\/id\/tes-chow-di-r\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/statorials.org\/id\/"},{"@type":"ListItem","position":2,"name":"Cara melakukan tes chow 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. Dengan pengalaman dan keahlian yang luas di bidang statistika, saya ingin berbagi ilmu untuk memberdayakan mahasiswa melalui Statorials. Baca selengkapnya","sameAs":["http:\/\/statorials.org\/id"]}]}},"yoast_meta":{"yoast_wpseo_title":"","yoast_wpseo_metadesc":"","yoast_wpseo_canonical":""},"_links":{"self":[{"href":"https:\/\/statorials.org\/id\/wp-json\/wp\/v2\/posts\/1373"}],"collection":[{"href":"https:\/\/statorials.org\/id\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/statorials.org\/id\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/statorials.org\/id\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/statorials.org\/id\/wp-json\/wp\/v2\/comments?post=1373"}],"version-history":[{"count":0,"href":"https:\/\/statorials.org\/id\/wp-json\/wp\/v2\/posts\/1373\/revisions"}],"wp:attachment":[{"href":"https:\/\/statorials.org\/id\/wp-json\/wp\/v2\/media?parent=1373"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/statorials.org\/id\/wp-json\/wp\/v2\/categories?post=1373"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/statorials.org\/id\/wp-json\/wp\/v2\/tags?post=1373"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}