{"id":1637,"date":"2023-07-25T13:53:58","date_gmt":"2023-07-25T13:53:58","guid":{"rendered":"https:\/\/statorials.org\/id\/tes-breusch-godfrey-di-sungai\/"},"modified":"2023-07-25T13:53:58","modified_gmt":"2023-07-25T13:53:58","slug":"tes-breusch-godfrey-di-sungai","status":"publish","type":"post","link":"https:\/\/statorials.org\/id\/tes-breusch-godfrey-di-sungai\/","title":{"rendered":"Cara melakukan tes breusch-godfrey di r"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Salah satu <a href=\"https:\/\/statorials.org\/id\/asumsi-regresi-linier\/\" target=\"_blank\" rel=\"noopener\">asumsi utama regresi linier<\/a> adalah tidak ada korelasi antar residu, yaitu residu bersifat independen.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Untuk menguji autokorelasi orde pertama, kita dapat melakukan <a href=\"https:\/\/statorials.org\/id\/tes-durbin-watson-r\/\" target=\"_blank\" rel=\"noopener\">uji Durbin-Watson<\/a> . Namun, jika kita ingin menguji autokorelasi pada orde yang lebih tinggi, kita perlu melakukan <strong>uji Breusch-Godfrey<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Pengujian ini menggunakan <a href=\"https:\/\/statorials.org\/id\/pengujian-hipotesis-1\/\" target=\"_blank\" rel=\"noopener\">asumsi<\/a> sebagai berikut :<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>H <sub>0<\/sub> (hipotesis nol):<\/strong> Tidak ada autokorelasi dengan orde yang kurang dari atau sama dengan <em>p<\/em> .<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>H <sub>A<\/sub> (hipotesis alternatif):<\/strong> Terdapat autokorelasi dengan orde tertentu yang kurang dari atau sama dengan <em>p<\/em> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Statistik uji mengikuti distribusi Chi-kuadrat dengan derajat kebebasan <em>p<\/em> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Jika <a href=\"https:\/\/statorials.org\/id\/p-menghargai-signifikansi-statistik\/\" target=\"_blank\" rel=\"noopener\">nilai p<\/a> yang sesuai dengan statistik pengujian ini berada di bawah tingkat signifikansi tertentu (misalnya 0,05), maka kita dapat menolak hipotesis nol dan menyimpulkan bahwa terdapat autokorelasi antara residu pada tingkat tertentu yang lebih rendah atau sama dengan <em>p<\/em> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Untuk melakukan pengujian Breusch-Godfrey di R, kita dapat menggunakan fungsi <strong>bgtest(y ~ x, order = p)<\/strong> dari pustaka <strong>lmtest<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Tutorial ini memberikan contoh penggunaan sintaks ini di R.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Contoh: Tes Breusch-Godfrey di R<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Pertama, buat kumpulan data palsu yang berisi dua variabel prediktor (x1 dan x2) dan variabel respons (y).<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create dataset\n<\/span>df &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (x1=c(3, 4, 4, 5, 8, 9, 11, 13, 14, 16, 17, 20),\n                 x2=c(7, 7, 8, 8, 12, 4, 5, 15, 9, 17, 19, 19),\n                  y=c(24, 25, 25, 27, 29, 31, 34, 34, 39, 30, 40, 49))\n\n<span style=\"color: #008080;\">#view first six rows of dataset\n<\/span>head(df)\n\n  x1 x2 y\n1 3 7 24\n2 4 7 25\n3 4 8 25\n4 5 8 27\n5 8 12 29\n6 9 4 31<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Selanjutnya, kita dapat melakukan pengujian Breusch-Godfrey menggunakan fungsi <strong>bgtest()<\/strong> dari paket <strong>lmtest<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Untuk contoh ini, kita akan menguji autokorelasi antara residu pada orde p = 3:<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#load lmtest package\n<\/span><span style=\"color: #993300;\">library<\/span> (lmtest)\n\n<span style=\"color: #008080;\">#perform Breusch-Godfrey test\n<\/span>bgtest(y ~ x1 + x2, order= <span style=\"color: #008000;\">3<\/span> , data=df)\n\n\tBreusch-Godfrey test for serial correlation of order up to 3\n\ndata: y ~ x1 + x2\nLM test = 8.7031, df = 3, p-value = 0.03351\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Dari hasil tersebut terlihat bahwa statistik ujinya adalah <sup>X2<\/sup> = <strong>8,7031<\/strong> dengan 3 derajat kebebasan. Nilai p yang sesuai adalah <strong>0,03351<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Karena nilai p ini kurang dari 0,05, kita dapat menolak hipotesis nol dan menyimpulkan bahwa terdapat autokorelasi antara residu berorde kurang dari atau sama dengan 3.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Cara mengatasi autokorelasi<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Jika Anda menolak hipotesis nol dan menyimpulkan bahwa terdapat autokorelasi dalam residu, maka Anda memiliki beberapa opsi untuk memperbaiki masalah ini jika Anda menganggapnya cukup serius:<\/span><\/p>\n<ul data-slot-rendered-dynamic=\"true\">\n<li> <span style=\"color: #000000;\">Untuk korelasi serial positif, pertimbangkan untuk menambahkan lag variabel dependen dan\/atau independen ke dalam model.<\/span><\/li>\n<li> <span style=\"color: #000000;\">Untuk korelasi serial negatif, pastikan tidak ada variabel yang <em>mengalami over-delayed<\/em> .<\/span><\/li>\n<li> <span style=\"color: #000000;\">Untuk korelasi musiman, pertimbangkan untuk menambahkan boneka musiman ke model.<\/span><\/li>\n<\/ul>\n<h3> <span style=\"color: #000000;\"><strong>Sumber daya tambahan<\/strong><\/span><\/h3>\n<p> <a href=\"https:\/\/statorials.org\/id\/regresi-linier-sederhana-di-r\/\" target=\"_blank\" rel=\"noopener\">Cara melakukan regresi linier sederhana di R<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/regresi-linier-berganda-r\/\" target=\"_blank\" rel=\"noopener\">Cara melakukan regresi linier berganda di R<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/tes-durbin-watson-r\/\" target=\"_blank\" rel=\"noopener\">Cara melakukan tes Durbin-Watson di R<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Salah satu asumsi utama regresi linier adalah tidak ada korelasi antar residu, yaitu residu bersifat independen. Untuk menguji autokorelasi orde pertama, kita dapat melakukan uji Durbin-Watson . Namun, jika kita ingin menguji autokorelasi pada orde yang lebih tinggi, kita perlu melakukan uji Breusch-Godfrey . Pengujian ini menggunakan asumsi sebagai berikut : H 0 (hipotesis nol): [&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 Breusch-Godfrey di R - Statorials<\/title>\n<meta name=\"description\" content=\"Tutorial ini menjelaskan cara melakukan tes Breusch-Godfrey 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-breusch-godfrey-di-sungai\/\" \/>\n<meta property=\"og:locale\" content=\"id_ID\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cara melakukan tes Breusch-Godfrey di R - Statorials\" \/>\n<meta property=\"og:description\" content=\"Tutorial ini menjelaskan cara melakukan tes Breusch-Godfrey di R, termasuk contoh langkah demi langkah.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/id\/tes-breusch-godfrey-di-sungai\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-25T13:53:58+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=\"2 menit\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/id\/tes-breusch-godfrey-di-sungai\/\",\"url\":\"https:\/\/statorials.org\/id\/tes-breusch-godfrey-di-sungai\/\",\"name\":\"Cara melakukan tes Breusch-Godfrey di R - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/id\/#website\"},\"datePublished\":\"2023-07-25T13:53:58+00:00\",\"dateModified\":\"2023-07-25T13:53:58+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81\"},\"description\":\"Tutorial ini menjelaskan cara melakukan tes Breusch-Godfrey di R, termasuk contoh langkah demi langkah.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/id\/tes-breusch-godfrey-di-sungai\/#breadcrumb\"},\"inLanguage\":\"id\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/id\/tes-breusch-godfrey-di-sungai\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/id\/tes-breusch-godfrey-di-sungai\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/statorials.org\/id\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Cara melakukan tes breusch-godfrey 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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