{"id":2218,"date":"2023-07-23T05:20:54","date_gmt":"2023-07-23T05:20:54","guid":{"rendered":"https:\/\/statorials.org\/id\/r-menemukan-nilai-yang-hilang\/"},"modified":"2023-07-23T05:20:54","modified_gmt":"2023-07-23T05:20:54","slug":"r-menemukan-nilai-yang-hilang","status":"publish","type":"post","link":"https:\/\/statorials.org\/id\/r-menemukan-nilai-yang-hilang\/","title":{"rendered":"Cara menemukan dan menghitung nilai yang hilang di r (dengan contoh)"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Anda dapat menggunakan metode berikut untuk menemukan dan menghitung nilai yang hilang di R:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Metode 1: Temukan Lokasi Nilai yang Hilang<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>which( <span style=\"color: #3366ff;\">is.na<\/span> (df$column_name))\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><strong>Metode 2: Hitung total nilai yang hilang<\/strong><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>sum( <span style=\"color: #3366ff;\">is.na<\/span> (df$column_name))<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Contoh berikut menunjukkan cara menggunakan fungsi-fungsi ini dalam praktik.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Contoh 1: Temukan dan hitung nilai yang hilang dalam sebuah kolom<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Misalkan kita memiliki kerangka data berikut:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008080;\">#create data frame\n<\/span>df &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (team=c('A', 'B', 'C', NA, 'E'),\n                 points=c(99, 90, 86, 88, 95),\n                 assists=c(NA, 28, NA, NA, 34),\n                 rebounds=c(30, 28, 24, 24, NA))\n\n<span style=\"color: #008080;\">#view data frame\n<\/span>df\n\n  team points assists rebounds\n1 A 99 NA 30\n2 B 90 28 28\n3 C 86 NA 24\n4 NA 88 NA 24\n5 E 95 34 NA\n<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Kita dapat menggunakan kode berikut untuk mengidentifikasi posisi yang memiliki nilai yang hilang di kolom &#8220;bantuan&#8221; dan mencari total nilai yang hilang di kolom &#8220;bantuan&#8221;:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#identify locations of missing values in 'assists' column\n<span style=\"color: #000000;\">which( <span style=\"color: #3366ff;\">is.na<\/span> (df$assists))\n\n[1] 1 3 4\n\n<span style=\"color: #008080;\">#count total missing values in 'assists' column\n<\/span>sum( <span style=\"color: #3366ff;\">is.na<\/span> (df$assists))\n\n[1] 3 \n<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Dari hasil tersebut terlihat bahwa posisi <strong>1<\/strong> , <strong>3<\/strong> dan <strong>4<\/strong> terdapat nilai yang hilang pada kolom &#8216;bantuan&#8217; dan total ada <strong>3<\/strong> nilai yang hilang pada kolom tersebut.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Contoh 2: Hitung nilai yang hilang di semua kolom<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Kode berikut menunjukkan cara menghitung total nilai yang hilang di setiap kolom bingkai data:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008080;\">#create data frame\n<\/span>df &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (team=c('A', 'B', 'C', NA, 'E'),\n                 points=c(99, 90, 86, 88, 95),\n                 assists=c(NA, 28, NA, NA, 34),\n                 rebounds=c(30, 28, 24, 24, NA))\n\n<span style=\"color: #008080;\">#count total missing values in each column of data frame\n<\/span>sapply(df, <span style=\"color: #008000;\">function<\/span> (x) sum(is. <span style=\"color: #3366ff;\">na<\/span> (x)))\n\n    team points assists rebounds \n       1 0 3 1<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Dari hasilnya kita dapat melihat:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">Kolom \u201ctim\u201d memiliki <strong>1<\/strong> nilai yang hilang.<\/span><\/li>\n<li> <span style=\"color: #000000;\">Kolom \u201cpoin\u201d berisi <strong>0<\/strong> nilai yang hilang.<\/span><\/li>\n<li> <span style=\"color: #000000;\">Kolom \u201cbantuan\u201d memiliki <strong>3<\/strong> nilai yang hilang.<\/span><\/li>\n<li> <span style=\"color: #000000;\">Kolom \u201crebound\u201d memiliki <strong>1<\/strong> nilai yang hilang.<\/span><\/li>\n<\/ul>\n<h3> <span style=\"color: #000000;\"><strong>Contoh 3: Hitung nilai yang hilang di seluruh bingkai data<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Kode berikut menunjukkan cara menghitung total nilai yang hilang di seluruh bingkai data:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008080;\">#create data frame\n<\/span>df &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (team=c('A', 'B', 'C', NA, 'E'),\n                 points=c(99, 90, 86, 88, 95),\n                 assists=c(NA, 28, NA, NA, 34),\n                 rebounds=c(30, 28, 24, 24, NA))\n\n<span style=\"color: #008080;\">#count total missing values in entire data frame\n<\/span>sum( <span style=\"color: #3366ff;\">is.na<\/span> (df))\n\n[1] 5<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Dari hasilnya terlihat ada total <strong>5<\/strong> nilai yang hilang di seluruh frame data.<\/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 operasi umum lainnya dengan nilai yang hilang di R:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/id\/memperhitungkan-nilai-yang-hilang-di-r\/\" target=\"_blank\" rel=\"noopener\">Bagaimana cara memasukkan semua nilai yang hilang di R<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/ganti-na-dengan-string-di-r\/\" target=\"_blank\" rel=\"noopener\">Bagaimana cara mengganti NA dengan string di R<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/dplyr-ganti-na-dengan-nol\/\" target=\"_blank\" rel=\"noopener\">Bagaimana cara mengganti NA dengan Zero di dplyr<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Anda dapat menggunakan metode berikut untuk menemukan dan menghitung nilai yang hilang di R: Metode 1: Temukan Lokasi Nilai yang Hilang which( is.na (df$column_name)) Metode 2: Hitung total nilai yang hilang sum( is.na (df$column_name)) Contoh berikut menunjukkan cara menggunakan fungsi-fungsi ini dalam praktik. Contoh 1: Temukan dan hitung nilai yang hilang dalam sebuah kolom Misalkan [&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 Menemukan dan Menghitung Nilai yang Hilang di R (dengan Contoh) \u2013 Statologi<\/title>\n<meta name=\"description\" content=\"Tutorial ini menjelaskan cara mencari dan menghitung nilai yang hilang 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\/r-menemukan-nilai-yang-hilang\/\" \/>\n<meta property=\"og:locale\" content=\"id_ID\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cara Menemukan dan Menghitung Nilai yang Hilang di R (dengan Contoh) \u2013 Statologi\" \/>\n<meta property=\"og:description\" content=\"Tutorial ini menjelaskan cara mencari dan menghitung nilai yang hilang di R, dengan beberapa contoh.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/id\/r-menemukan-nilai-yang-hilang\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-23T05:20:54+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\/r-menemukan-nilai-yang-hilang\/\",\"url\":\"https:\/\/statorials.org\/id\/r-menemukan-nilai-yang-hilang\/\",\"name\":\"Cara Menemukan dan Menghitung Nilai yang Hilang di R (dengan Contoh) \u2013 Statologi\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/id\/#website\"},\"datePublished\":\"2023-07-23T05:20:54+00:00\",\"dateModified\":\"2023-07-23T05:20:54+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81\"},\"description\":\"Tutorial ini menjelaskan cara mencari dan menghitung nilai yang hilang di R, dengan beberapa contoh.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/id\/r-menemukan-nilai-yang-hilang\/#breadcrumb\"},\"inLanguage\":\"id\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/id\/r-menemukan-nilai-yang-hilang\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/id\/r-menemukan-nilai-yang-hilang\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/statorials.org\/id\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Cara menemukan dan menghitung nilai yang hilang 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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