{"id":1291,"date":"2023-07-27T00:06:39","date_gmt":"2023-07-27T00:06:39","guid":{"rendered":"https:\/\/statorials.org\/id\/koefisien-phi-di-r\/"},"modified":"2023-07-27T00:06:39","modified_gmt":"2023-07-27T00:06:39","slug":"koefisien-phi-di-r","status":"publish","type":"post","link":"https:\/\/statorials.org\/id\/koefisien-phi-di-r\/","title":{"rendered":"Cara menghitung koefisien phi di r"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\"><strong>Koefisien Phi<\/strong> (terkadang disebut <em>koefisien kontingensi kuadrat rata-rata<\/em> ) adalah ukuran hubungan antara dua variabel biner.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Untuk tabel 2\u00d72 yang diberikan untuk dua variabel acak <em>x<\/em> dan <em>y<\/em> :<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-10491 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/phicoef1.png\" alt=\"\" width=\"160\" height=\"155\" srcset=\"\" sizes=\"\"><\/p>\n<p> <span style=\"color: #000000;\">Koefisien Phi dapat dihitung sebagai berikut:<\/span><\/p>\n<p> <strong><span style=\"color: #000000;\">\u03a6 = (AD-BC) \/ \u221a <span style=\"text-decoration: overline;\">(A+B)(C+D)(A+C)(B+D)<\/span><\/span><\/strong><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Contoh: Perhitungan koefisien Phi dalam R<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Misalkan kita ingin mengetahui apakah gender dikaitkan dengan preferensi terhadap suatu partai politik atau tidak. Jadi kami mengambil <a href=\"https:\/\/statorials.org\/id\/metode-pengambilan-sampel\/\" target=\"_blank\" rel=\"noopener\">sampel acak sederhana<\/a> dari 25 pemilih dan menanyakan preferensi mereka terhadap sebuah partai politik.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Berikut tabel hasil surveinya:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-10492 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/phicoef2.png\" alt=\"Contoh penghitungan koefisien Phi\" width=\"175\" height=\"178\" srcset=\"\" sizes=\"\"><\/p>\n<p> <span style=\"color: #000000;\">Kita dapat menggunakan kode berikut untuk memasukkan data ini ke dalam matriks 2&#215;2 di R:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create 2x2 table\n<\/span>data = matrix(c(4, 8, 9, 4), nrow = <span style=\"color: #008000;\">2<\/span> )\n\n<span style=\"color: #008080;\">#view dataset\n<\/span>data\n\n     [,1] [,2]\n[1,] 4 9\n[2,] 8 4<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Kita kemudian dapat menggunakan fungsi <a href=\"https:\/\/www.rdocumentation.org\/packages\/psych\/versions\/1.0-17\/topics\/phi\" target=\"_blank\" rel=\"noopener\">phi()<\/a> dari paket <strong>psych<\/strong> untuk menghitung koefisien Phi antara dua variabel:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#load psych package\n<span style=\"color: #000000;\"><span style=\"color: #993300;\">library<\/span> (psych)\n<\/span>\n#calculate Phi Coefficient\n<\/span><span style=\"color: #000000;\">phi(data)\n\n[1] -0.36<\/span>\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Koefisien Phi ternyata <strong>-0,36<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Perhatikan bahwa fungsi phi dibulatkan menjadi 2 digit secara default, namun Anda dapat menentukan fungsi untuk dibulatkan ke digit sebanyak yang Anda inginkan:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#calculate Phi Coefficient and round to 6 digits\n<\/span><span style=\"color: #000000;\">phi(data, digits = <span style=\"color: #008000;\">6<\/span> )\n\n[1] -0.358974\n<\/span><\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Bagaimana menafsirkan koefisien Phi<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Mirip dengan koefisien korelasi Pearson, koefisien Phi mengambil nilai antara -1 dan 1 dimana:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>-1<\/strong> menunjukkan hubungan negatif sempurna antara kedua variabel.<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>0<\/strong> menunjukkan tidak ada hubungan antara kedua variabel.<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>Angka 1<\/strong> menunjukkan hubungan positif sempurna antara kedua variabel.<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Secara umum, semakin jauh koefisien Phi dari nol, semakin kuat hubungan antara kedua variabel tersebut.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Dengan kata lain, semakin jauh koefisien Phi dari nol, semakin banyak bukti adanya pola sistematis antara kedua variabel.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Sumber daya tambahan<\/strong><\/span><\/h3>\n<p> <a href=\"https:\/\/statorials.org\/id\/koefisien-phi\/\" target=\"_blank\" rel=\"noopener\">Pengantar koefisien Phi<\/a><br \/> Kalkulator koefisien Phi<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Koefisien Phi (terkadang disebut koefisien kontingensi kuadrat rata-rata ) adalah ukuran hubungan antara dua variabel biner. Untuk tabel 2\u00d72 yang diberikan untuk dua variabel acak x dan y : Koefisien Phi dapat dihitung sebagai berikut: \u03a6 = (AD-BC) \/ \u221a (A+B)(C+D)(A+C)(B+D) Contoh: Perhitungan koefisien Phi dalam R Misalkan kita ingin mengetahui apakah gender dikaitkan 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 koefisien Phi di R - Statorials<\/title>\n<meta name=\"description\" content=\"Tutorial ini memberikan penjelasan singkat tentang cara menghitung koefisien Phi di R, beserta sebuah 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\/koefisien-phi-di-r\/\" \/>\n<meta property=\"og:locale\" content=\"id_ID\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cara menghitung koefisien Phi di R - Statorials\" \/>\n<meta property=\"og:description\" content=\"Tutorial ini memberikan penjelasan singkat tentang cara menghitung koefisien Phi di R, beserta sebuah contoh.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/id\/koefisien-phi-di-r\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-27T00:06:39+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/phicoef1.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\/koefisien-phi-di-r\/\",\"url\":\"https:\/\/statorials.org\/id\/koefisien-phi-di-r\/\",\"name\":\"Cara menghitung koefisien Phi di R - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/id\/#website\"},\"datePublished\":\"2023-07-27T00:06:39+00:00\",\"dateModified\":\"2023-07-27T00:06:39+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81\"},\"description\":\"Tutorial ini memberikan penjelasan singkat tentang cara menghitung koefisien Phi di R, beserta sebuah contoh.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/id\/koefisien-phi-di-r\/#breadcrumb\"},\"inLanguage\":\"id\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/id\/koefisien-phi-di-r\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/id\/koefisien-phi-di-r\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/statorials.org\/id\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Cara menghitung koefisien phi 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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