{"id":3904,"date":"2023-07-14T20:50:46","date_gmt":"2023-07-14T20:50:46","guid":{"rendered":"https:\/\/statorials.org\/id\/hipotesis-linier-r\/"},"modified":"2023-07-14T20:50:46","modified_gmt":"2023-07-14T20:50:46","slug":"hipotesis-linier-r","status":"publish","type":"post","link":"https:\/\/statorials.org\/id\/hipotesis-linier-r\/","title":{"rendered":"Cara menggunakan fungsi linearhypothesis() di r"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Anda dapat menggunakan fungsi <strong>LinearHypothesis()<\/strong> dari paket <strong>car<\/strong> di R untuk menguji hipotesis linier dalam model regresi tertentu.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Fungsi ini menggunakan sintaks dasar berikut:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>linearHypothesis(fit, c(\" <span style=\"color: #ff0000;\">var1=0<\/span> \", \" <span style=\"color: #ff0000;\">var2=0<\/span> \"))<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Contoh khusus ini menguji apakah koefisien regresi <strong>var1<\/strong> dan <strong>var2<\/strong> dalam model yang disebut <strong>fit<\/strong> sama dengan nol.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Contoh berikut menunjukkan cara menggunakan fungsi ini dalam praktiknya.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Contoh: Cara menggunakan fungsi LinearHypothesis() di R<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Misalkan kita memiliki kerangka data berikut di R yang menunjukkan jumlah jam yang dihabiskan untuk belajar, jumlah ujian praktik yang diambil, dan nilai ujian akhir 10 siswa dalam satu kelas:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create data frame\n<\/span>df &lt;- data.frame(score=c(77, 79, 84, 85, 88, 99, 95, 90, 92, 94),\n                 hours=c(1, 1, 2, 3, 2, 4, 4, 2, 3, 3),\n                 prac_exams=c(2, 4, 4, 2, 4, 5, 4, 3, 2, 1))\n\n<span style=\"color: #008080;\">#view data frame\n<\/span>df\n\n   score hours prac_exams\n1 77 1 2\n2 79 1 4\n3 84 2 4\n4 85 3 2\n5 88 2 4\n6 99 4 5\n7 95 4 4\n8 90 2 3\n9 92 3 2\n10 94 3 1\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Sekarang anggaplah kita ingin memasukkan model regresi linier berganda berikut ke dalam R:<\/span><\/p>\n<p> <span style=\"color: #000000;\">Nilai ujian = \u03b2 <sub>0<\/sub> + \u03b2 <sub>1<\/sub> (jam) + \u03b2 <sub>2<\/sub> (ujian praktik)<\/span><\/p>\n<p> <span style=\"color: #000000;\">Kita dapat menggunakan fungsi <a href=\"https:\/\/statorials.org\/id\/fungsi-lm-di-r\/\" target=\"_blank\" rel=\"noopener\">lm()<\/a> untuk mengadaptasi model ini:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#fit multiple linear regression model\n<\/span>fit &lt;- lm(score ~ hours + prac_exams, data=df)\n\n<span style=\"color: #008080;\">#view summary of model\n<\/span>summary(fit)\n\nCall:\nlm(formula = score ~ hours + prac_exams, data = df)\n\nResiduals:\n    Min 1Q Median 3Q Max \n-5.8366 -2.0875 0.1381 2.0652 4.6381 \n\nCoefficients:\n            Estimate Std. Error t value Pr(&gt;|t|)    \n(Intercept) 72.7393 3.9455 18.436 3.42e-07 ***\nhours 5.8093 1.1161 5.205 0.00125 ** \nprac_exams 0.3346 0.9369 0.357 0.73150    \n---\nSignificant. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1\n\nResidual standard error: 3.59 on 7 degrees of freedom\nMultiple R-squared: 0.8004, Adjusted R-squared: 0.7434 \nF-statistic: 14.03 on 2 and 7 DF, p-value: 0.003553\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Sekarang misalkan kita ingin menguji apakah koefisien <strong>jam<\/strong> dan <strong>ujian_latihan<\/strong> keduanya nol.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Kita dapat menggunakan fungsi <strong>LinearHypothesis()<\/strong> untuk melakukan ini:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">library<\/span> (car)\n\n<span style=\"color: #008080;\">#perform hypothesis test for hours=0 and prac_exams=0\n<\/span>linearHypothesis(fit, c(\" <span style=\"color: #ff0000;\">hours=0<\/span> \", \" <span style=\"color: #ff0000;\">prac_exams=0<\/span> \"))\n\nLinear hypothesis testing\n\nHypothesis:\nhours = 0\nprac_exams = 0\n\nModel 1: restricted model\nModel 2: score ~ hours + prac_exams\n\n  Res.Df RSS Df Sum of Sq F Pr(&gt;F)   \n1 9 452.10                                \n2 7 90.24 2 361.86 14.035 0.003553 **\n---\nSignificant. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Uji hipotesis menghasilkan nilai berikut:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>Statistik uji F<\/strong> : 14,035<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>nilai p<\/strong> : 0,003553<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Uji hipotesis khusus ini menggunakan hipotesis nol dan hipotesis alternatif berikut:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>H <sub>0<\/sub><\/strong> : Kedua koefisien regresi sama dengan nol.<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>H <sub>A<\/sub><\/strong> : Setidaknya satu koefisien regresi tidak sama dengan nol.<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Karena nilai p tes (0,003553) kurang dari 0,05, kami menolak hipotesis nol.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Dengan kata lain, kita tidak mempunyai cukup bukti untuk mengatakan bahwa koefisien regresi untuk <strong>jam kerja<\/strong> dan <strong>ujian praktik<\/strong> keduanya sama dengan nol.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Sumber daya tambahan<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Tutorial berikut memberikan informasi tambahan tentang regresi linier di R:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/id\/menafsirkan-keluaran-regresi-di-r\/\" target=\"_blank\" rel=\"noopener\">Bagaimana menafsirkan keluaran regresi di R<\/a><br \/> <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 \/> Bagaimana melakukan regresi logistik di R<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Anda dapat menggunakan fungsi LinearHypothesis() dari paket car di R untuk menguji hipotesis linier dalam model regresi tertentu. Fungsi ini menggunakan sintaks dasar berikut: linearHypothesis(fit, c(&#8221; var1=0 &#8220;, &#8221; var2=0 &#8220;)) Contoh khusus ini menguji apakah koefisien regresi var1 dan var2 dalam model yang disebut fit sama dengan nol. Contoh berikut menunjukkan cara menggunakan fungsi [&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 menggunakan fungsi LinearHypothesis() di R - Statorials<\/title>\n<meta name=\"description\" content=\"Tutorial ini menjelaskan cara menggunakan fungsi LinearHypothesis() di R untuk menguji hipotesis linier pada model regresi.\" \/>\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\/hipotesis-linier-r\/\" \/>\n<meta property=\"og:locale\" content=\"id_ID\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cara menggunakan fungsi LinearHypothesis() di R - Statorials\" \/>\n<meta property=\"og:description\" content=\"Tutorial ini menjelaskan cara menggunakan fungsi LinearHypothesis() di R untuk menguji hipotesis linier pada model regresi.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/id\/hipotesis-linier-r\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-14T20:50:46+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\/hipotesis-linier-r\/\",\"url\":\"https:\/\/statorials.org\/id\/hipotesis-linier-r\/\",\"name\":\"Cara menggunakan fungsi LinearHypothesis() di R - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/id\/#website\"},\"datePublished\":\"2023-07-14T20:50:46+00:00\",\"dateModified\":\"2023-07-14T20:50:46+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81\"},\"description\":\"Tutorial ini menjelaskan cara menggunakan fungsi LinearHypothesis() di R untuk menguji hipotesis linier pada model regresi.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/id\/hipotesis-linier-r\/#breadcrumb\"},\"inLanguage\":\"id\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/id\/hipotesis-linier-r\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/id\/hipotesis-linier-r\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/statorials.org\/id\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Cara menggunakan fungsi linearhypothesis() 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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