{"id":4287,"date":"2023-07-12T06:34:43","date_gmt":"2023-07-12T06:34:43","guid":{"rendered":"https:\/\/statorials.org\/id\/korelasi-nilai-p-r\/"},"modified":"2023-07-12T06:34:43","modified_gmt":"2023-07-12T06:34:43","slug":"korelasi-nilai-p-r","status":"publish","type":"post","link":"https:\/\/statorials.org\/id\/korelasi-nilai-p-r\/","title":{"rendered":"Cara mencari nilai p koefisien korelasi pada r"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\"><a href=\"https:\/\/statorials.org\/id\/koefisien-korelasi-pearson-1\/\" target=\"_blank\" rel=\"noopener\">Koefisien korelasi Pearson<\/a> dapat digunakan untuk mengukur hubungan linier antara dua variabel.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Koefisien korelasi ini selalu bernilai antara <strong>-1<\/strong> dan <strong>1<\/strong> dimana:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>-1<\/strong> : Korelasi linier negatif sempurna antara dua variabel.<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>0<\/strong> : Tidak ada korelasi linier antara dua variabel.<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>1:<\/strong> Korelasi linier positif sempurna antara dua variabel.<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Untuk menentukan apakah koefisien korelasi signifikan secara statistik, Anda dapat menghitung skor-t dan nilai-p yang sesuai.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Rumus untuk menghitung t-score suatu koefisien korelasi (r) adalah:<\/span><\/p>\n<p> <span style=\"color: #000000;\">t = r\u221a <span style=\"border-top: 1px solid black;\">n-2<\/span> \/ \u221a <span style=\"border-top: 1px solid black;\">1-r <sup>2<\/sup><\/span><\/span><\/p>\n<p> <span style=\"color: #000000;\">Nilai p dihitung sebagai nilai p dua sisi yang sesuai untuk distribusi t dengan n-2 derajat kebebasan.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Untuk menghitung nilai p dari koefisien korelasi Pearson di R, Anda dapat menggunakan fungsi <strong>cor.test()<\/strong> .<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>horn. <span style=\"color: #3366ff;\">test<\/span> (x,y)\n<\/strong><\/pre>\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: Hitung nilai P untuk koefisien korelasi di R<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Kode berikut menunjukkan cara menggunakan fungsi <strong>cor.test()<\/strong> untuk menghitung nilai p dari koefisien korelasi antara dua variabel di R:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #008080;\">#create two variables\n<\/span>x &lt;- c(70, 78, 90, 87, 84, 86, 91, 74, 83, 85)\ny &lt;- c(90, 94, 79, 86, 84, 83, 88, 92, 76, 75)\n\n<span style=\"color: #008080;\">#calculate correlation coefficient and corresponding p-value\n<\/span>horn. <span style=\"color: #3366ff;\">test<\/span> (x,y)\n\n\tPearson's product-moment correlation\n\ndata: x and y\nt = -1.7885, df = 8, p-value = 0.1115\nalternative hypothesis: true correlation is not equal to 0\n95 percent confidence interval:\n -0.8709830 0.1434593\nsample estimates:\n       horn \n-0.5344408\n<\/strong><\/span><\/pre>\n<p> <span style=\"color: #000000;\">Dari hasilnya kita dapat melihat:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">Koefisien korelasi Pearson sebesar <strong>-0,5344408<\/strong> .<\/span><\/li>\n<li> <span style=\"color: #000000;\">Nilai p yang sesuai adalah <strong>0,1115<\/strong> .<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Karena koefisien korelasinya bernilai negatif, hal ini menunjukkan adanya hubungan linier negatif antara kedua variabel.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Namun, karena nilai p dari koefisien korelasi tidak kurang dari 0,05, maka korelasi tersebut tidak signifikan secara statistik.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Perhatikan bahwa kita juga dapat mengetik <strong>cor.test(x, y)$p.value<\/strong> untuk mengekstrak hanya nilai p untuk koefisien korelasi:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #008080;\">#create two variables\n<\/span>x &lt;- c(70, 78, 90, 87, 84, 86, 91, 74, 83, 85)\ny &lt;- c(90, 94, 79, 86, 84, 83, 88, 92, 76, 75)\n\n<span style=\"color: #008080;\">#calculate p-value for correlation between x and y\n<\/span>horn. <span style=\"color: #3366ff;\">test<\/span> (x, y)$p.value\n\n[1] 0.1114995\n<\/strong><\/span><\/pre>\n<p> <span style=\"color: #000000;\">Nilai p untuk koefisien korelasi adalah <strong>0,1114995<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Ini cocok dengan nilai p dari keluaran sebelumnya.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Sumber daya tambahan<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Tutorial berikut menjelaskan cara melakukan tugas umum lainnya di R:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/id\/korelasi-parsial-r\/\" target=\"_blank\" rel=\"noopener\">Cara menghitung korelasi parsial di R<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/korelasi-spearman-di-sungai\/\" target=\"_blank\" rel=\"noopener\">Cara menghitung korelasi Spearman di R<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/korelasi-bergulir-di-sungai\/\" target=\"_blank\" rel=\"noopener\">Cara menghitung korelasi geser di R<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Koefisien korelasi Pearson dapat digunakan untuk mengukur hubungan linier antara dua variabel. Koefisien korelasi ini selalu bernilai antara -1 dan 1 dimana: -1 : Korelasi linier negatif sempurna antara dua variabel. 0 : Tidak ada korelasi linier antara dua variabel. 1: Korelasi linier positif sempurna antara dua variabel. Untuk menentukan apakah koefisien korelasi signifikan secara [&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 mencari nilai P koefisien korelasi di R - Statorials<\/title>\n<meta name=\"description\" content=\"Tutorial ini menjelaskan cara menghitung nilai p dari koefisien korelasi di R, beserta contohnya.\" \/>\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\/korelasi-nilai-p-r\/\" \/>\n<meta property=\"og:locale\" content=\"id_ID\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cara mencari nilai P koefisien korelasi di R - Statorials\" \/>\n<meta property=\"og:description\" content=\"Tutorial ini menjelaskan cara menghitung nilai p dari koefisien korelasi di R, beserta contohnya.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/id\/korelasi-nilai-p-r\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-12T06:34:43+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\/korelasi-nilai-p-r\/\",\"url\":\"https:\/\/statorials.org\/id\/korelasi-nilai-p-r\/\",\"name\":\"Cara mencari nilai P koefisien korelasi di R - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/id\/#website\"},\"datePublished\":\"2023-07-12T06:34:43+00:00\",\"dateModified\":\"2023-07-12T06:34:43+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81\"},\"description\":\"Tutorial ini menjelaskan cara menghitung nilai p dari koefisien korelasi di R, beserta contohnya.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/id\/korelasi-nilai-p-r\/#breadcrumb\"},\"inLanguage\":\"id\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/id\/korelasi-nilai-p-r\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/id\/korelasi-nilai-p-r\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/statorials.org\/id\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Cara mencari nilai p koefisien korelasi pada 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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