{"id":2995,"date":"2023-07-19T17:36:42","date_gmt":"2023-07-19T17:36:42","guid":{"rendered":"https:\/\/statorials.org\/id\/ubah-skor-persentil-z-menjadi-r\/"},"modified":"2023-07-19T17:36:42","modified_gmt":"2023-07-19T17:36:42","slug":"ubah-skor-persentil-z-menjadi-r","status":"publish","type":"post","link":"https:\/\/statorials.org\/id\/ubah-skor-persentil-z-menjadi-r\/","title":{"rendered":"Bagaimana mengkonversi antara skor z dan persentil di r"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\"><strong>Skor-z<\/strong> memberi tahu kita berapa banyak standar deviasi suatu nilai tertentu dari rata-rata kumpulan data.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Persentil<\/strong> memberi tahu kita berapa persentase <a href=\"https:\/\/statorials.org\/id\/pengamatan-dalam-statistik\/\" target=\"_blank\" rel=\"noopener\">observasi<\/a> yang berada di bawah nilai tertentu dalam kumpulan data.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Seringkali Anda mungkin ingin mengonversi antara skor-z dan persentil.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Anda dapat menggunakan metode berikut untuk melakukan ini di R:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Metode 1: Ubah Skor Z menjadi Persentil<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>percentile &lt;- pnorm(z)\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>Metode 2: Ubah Persentil menjadi Skor Z<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>z &lt;- qnorm(percentile)<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Contoh berikut menunjukkan cara menggunakan masing-masing metode dalam praktik.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Contoh 1: Ubah skor Z menjadi persentil di R<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Kita dapat menggunakan fungsi <strong>pnorm<\/strong> bawaan di R untuk mengonversi skor az menjadi persentil.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Misalnya, berikut cara mengubah skor-z 1,78 menjadi persentil:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#convert z-score of 1.78 to percentile<\/span>\npercentile &lt;- pnorm( <span style=\"color: #008000;\">1.78<\/span> )\n\n<span style=\"color: #008080;\">#display percentile<\/span>\npercentile\n\n[1] 0.962462\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Ternyata skor-z 1,78 sama dengan persentil <strong>96,2<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Kami menafsirkan ini berarti bahwa skor-z 1,78 lebih tinggi dari sekitar <strong>96,2%<\/strong> dari semua nilai lain dalam kumpulan data.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Contoh 2: Ubah persentil menjadi skor Z di R<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Kita dapat menggunakan fungsi <strong>qnorm<\/strong> bawaan di R untuk mengonversi persentil menjadi skor az.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Misalnya, berikut cara mengubah persentil 0,85 menjadi skor-z:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#convert percentile of 0.85 to z-score<\/span>\nz &lt;- qnorm( <span style=\"color: #008000;\">0.85<\/span> )\n\n<span style=\"color: #008080;\">#display z-score<\/span>\nz\n\n[1] 1.036433\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Ternyata persentil 0,85 setara dengan skor-z <strong>1,036<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Kami menafsirkan ini berarti bahwa nilai data pada persentil ke-85 dalam kumpulan data memiliki skor-z <strong>1,036<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\">Perhatikan juga bahwa kita dapat menggunakan fungsi <strong>qnorm<\/strong> untuk mengonversi vektor bilangan bulat persentil menjadi skor-z:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#define vector of percentiles\n<span style=\"color: #000000;\">p_vector &lt;- c(0.1, 0.35, 0.5, 0.55, 0.7, 0.9, 0.92)<\/span>\n\n#convert all percentiles in vector to z-scores<\/span>\nqnorm(p_vector)\n\n[1] -1.2815516 -0.3853205 0.0000000 0.1256613 0.5244005 1.2815516 1.4050716\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Berikut cara menafsirkan hasilnya:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">Persentil 0,1 setara dengan skor-z <strong>-1,28<\/strong> .<\/span><\/li>\n<li> <span style=\"color: #000000;\">Persentil 0,35 setara dengan skor-z <strong>-0,38<\/strong> .<\/span><\/li>\n<li> <span style=\"color: #000000;\">Persentil 0,5 sama dengan skor-z <strong>0<\/strong> .<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">Dan seterusnya.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Sumber daya tambahan<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Tutorial berikut menjelaskan cara melakukan tugas umum lainnya:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/id\/persentil-di-r\/\" target=\"_blank\" rel=\"noopener\">Cara menghitung persentil di R<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/peringkat-persentil-di-r\/\" target=\"_blank\" rel=\"noopener\">Cara menghitung peringkat persentil di R<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/menafsirkan-skor-z\/\" target=\"_blank\" rel=\"noopener\">Bagaimana menafsirkan skor Z<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Skor-z memberi tahu kita berapa banyak standar deviasi suatu nilai tertentu dari rata-rata kumpulan data. Persentil memberi tahu kita berapa persentase observasi yang berada di bawah nilai tertentu dalam kumpulan data. Seringkali Anda mungkin ingin mengonversi antara skor-z dan persentil. Anda dapat menggunakan metode berikut untuk melakukan ini di R: Metode 1: Ubah Skor Z [&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>Bagaimana mengkonversi antara skor Z dan persentil di R - Statorials<\/title>\n<meta name=\"description\" content=\"Tutorial ini menjelaskan cara mengonversi antara skor-z dan persentil di R, dengan beberapa 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\/ubah-skor-persentil-z-menjadi-r\/\" \/>\n<meta property=\"og:locale\" content=\"id_ID\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Bagaimana mengkonversi antara skor Z dan persentil di R - Statorials\" \/>\n<meta property=\"og:description\" content=\"Tutorial ini menjelaskan cara mengonversi antara skor-z dan persentil di R, dengan beberapa contoh.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/id\/ubah-skor-persentil-z-menjadi-r\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-19T17:36:42+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=\"1 menit\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/id\/ubah-skor-persentil-z-menjadi-r\/\",\"url\":\"https:\/\/statorials.org\/id\/ubah-skor-persentil-z-menjadi-r\/\",\"name\":\"Bagaimana mengkonversi antara skor Z dan persentil di R - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/id\/#website\"},\"datePublished\":\"2023-07-19T17:36:42+00:00\",\"dateModified\":\"2023-07-19T17:36:42+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81\"},\"description\":\"Tutorial ini menjelaskan cara mengonversi antara skor-z dan persentil di R, dengan beberapa contoh.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/id\/ubah-skor-persentil-z-menjadi-r\/#breadcrumb\"},\"inLanguage\":\"id\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/id\/ubah-skor-persentil-z-menjadi-r\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/id\/ubah-skor-persentil-z-menjadi-r\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/statorials.org\/id\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Bagaimana mengkonversi antara skor z dan persentil 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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