{"id":4488,"date":"2023-07-10T17:08:19","date_gmt":"2023-07-10T17:08:19","guid":{"rendered":"https:\/\/statorials.org\/id\/jatuhkan-fungsi-di-r\/"},"modified":"2023-07-10T17:08:19","modified_gmt":"2023-07-10T17:08:19","slug":"jatuhkan-fungsi-di-r","status":"publish","type":"post","link":"https:\/\/statorials.org\/id\/jatuhkan-fungsi-di-r\/","title":{"rendered":"Cara menggunakan fungsi drop di r (dengan contoh)"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Fungsi <strong>drop()<\/strong> pada basis R dapat digunakan untuk menghapus dimensi dari array atau matriks yang hanya memiliki satu level.<\/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 1: Gunakan drop() untuk menghapus dimensi dengan level di tabel<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Misalkan kita memiliki array tiga dimensi berikut di R:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create 3-dimensional array\n<\/span>my_array &lt;- c(1:10)\ndim(my_array) &lt;- c(1,2,5)\n\n<span style=\"color: #008080;\">#view array\n<\/span>my_array\n\n, , 1\n\n     [,1] [,2]\n[1,] 1 2\n\n, , 2\n\n     [,1] [,2]\n[1,] 3 4\n\n, , 3\n\n     [,1] [,2]\n[1,] 5 6\n\n, , 4\n\n     [,1] [,2]\n[1,] 7 8\n\n, , 5\n\n     [,1] [,2]\n[1,] 9 10\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Kita dapat menggunakan fungsi <strong>drop()<\/strong> untuk menghapus dimensi yang hanya memiliki satu level dalam tabel:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#drop dimensions with only one level\n<\/span>new_array &lt;- drop(my_array)\n\n<span style=\"color: #008080;\">#view new array\n<\/span>new_array\n\n     [,1] [,2] [,3] [,4] [,5]\n[1,] 1 3 5 7 9\n[2,] 2 4 6 8 10\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Perhatikan bahwa dimensi dengan hanya satu level telah dihapus.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Kita dapat menggunakan fungsi <strong>dim()<\/strong> untuk menampilkan dimensi baru:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#view dimensions of new array\n<\/span>dim(new_array)\n\n[1] 2 5\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Kita dapat melihat bahwa array baru hanya memiliki dua dimensi.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>Contoh 2: Gunakan drop() untuk menghapus dimensi dengan level dalam matriks<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">Misalkan kita mempunyai matriks berikut dengan tujuh kolom dan satu baris di R:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create matrix\n<\/span>my_matrix &lt;- matrix(1:7, ncol=7)\n\n<span style=\"color: #008080;\">#view matrix\n<\/span>my_matrix\n\n     [,1] [,2] [,3] [,4] [,5] [,6] [,7]\n[1,] 1 2 3 4 5 6 7\n\n<span style=\"color: #008080;\">#view dimensions of matrix\n<\/span>dim(my_matrix)\n\n[1] 1 7\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Kita dapat menggunakan fungsi <strong>drop()<\/strong> untuk menghapus dimensi yang hanya memiliki satu level dalam matriks:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#drop dimensions with only one level\n<\/span>new_matrix &lt;- drop(my_matrix)\n\n<span style=\"color: #008080;\">#view new matrix\n<\/span>new_matrix\n\n[1] 1 2 3 4 5 6 7\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Perhatikan bahwa dimensi dengan hanya satu level telah dihapus.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Matriksnya memang telah diubah menjadi vektor.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Jika kita menggunakan fungsi <strong>dim()<\/strong> untuk memvisualisasikan dimensi, maka akan menghasilkan <strong>NULL<\/strong> karena objek baru tidak lagi berupa matriks dua dimensi:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#view dimensions of new matrix\n<\/span>dim(new_matrix)\n\nNULL\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Sebagai gantinya, kita bisa menggunakan <strong>length()<\/strong> untuk menampilkan panjang vektor:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#view length\n<\/span>length(new_matrix)\n\n[1] 7\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Kita dapat melihat bahwa vektor kita mengandung 7 elemen.<\/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\/fungsi-potong-di-r\/\" target=\"_blank\" rel=\"noopener\">Cara menggunakan fungsi cut() di R<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/n-berfungsi-di-r\/\" target=\"_blank\" rel=\"noopener\">Cara menggunakan fungsi n() di R<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/fungsi-nchar-di-r\/\" target=\"_blank\" rel=\"noopener\">Cara menggunakan fungsi nchar() di R<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Fungsi drop() pada basis R dapat digunakan untuk menghapus dimensi dari array atau matriks yang hanya memiliki satu level. Contoh berikut menunjukkan cara menggunakan fungsi ini dalam praktiknya. Contoh 1: Gunakan drop() untuk menghapus dimensi dengan level di tabel Misalkan kita memiliki array tiga dimensi berikut di R: #create 3-dimensional array my_array &lt;- c(1:10) dim(my_array) [&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 drop di R (dengan contoh) - Statorials<\/title>\n<meta name=\"description\" content=\"Tutorial ini menjelaskan cara menggunakan fungsi drop() 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\/jatuhkan-fungsi-di-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 drop di R (dengan contoh) - Statorials\" \/>\n<meta property=\"og:description\" content=\"Tutorial ini menjelaskan cara menggunakan fungsi drop() di R, dengan beberapa contoh.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/id\/jatuhkan-fungsi-di-r\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-10T17:08:19+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\/jatuhkan-fungsi-di-r\/\",\"url\":\"https:\/\/statorials.org\/id\/jatuhkan-fungsi-di-r\/\",\"name\":\"Cara menggunakan fungsi drop di R (dengan contoh) - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/id\/#website\"},\"datePublished\":\"2023-07-10T17:08:19+00:00\",\"dateModified\":\"2023-07-10T17:08:19+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81\"},\"description\":\"Tutorial ini menjelaskan cara menggunakan fungsi drop() di R, dengan beberapa contoh.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/id\/jatuhkan-fungsi-di-r\/#breadcrumb\"},\"inLanguage\":\"id\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/id\/jatuhkan-fungsi-di-r\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/id\/jatuhkan-fungsi-di-r\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/statorials.org\/id\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Cara menggunakan fungsi drop di r (dengan contoh)\"}]},{\"@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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