{"id":2297,"date":"2023-07-22T21:30:46","date_gmt":"2023-07-22T21:30:46","guid":{"rendered":"https:\/\/statorials.org\/id\/r-nilai-unik-di-kolom\/"},"modified":"2023-07-22T21:30:46","modified_gmt":"2023-07-22T21:30:46","slug":"r-nilai-unik-di-kolom","status":"publish","type":"post","link":"https:\/\/statorials.org\/id\/r-nilai-unik-di-kolom\/","title":{"rendered":"A: bagaimana menemukan nilai unik dalam sebuah kolom"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Anda dapat menggunakan fungsi <strong>unik()<\/strong> di R untuk menemukan nilai unik di kolom bingkai data.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Tutorial ini memberikan beberapa contoh penggunaan fungsi ini dengan bingkai 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', 'A', 'B', 'B', 'C', 'C'),\n                 points=c(90, 99, 90, 85, 90, 85),\n                 assists=c(33, 33, 31, 39, 34, 34),\n                 rebounds=c(30, 28, 24, 24, 28, 28))\n\n<span style=\"color: #008080;\">#view data frame\n<\/span>df\n\n  team points assists rebounds\n1 A 90 33 30\n2 A 99 33 28\n3 B 90 31 24\n4 B 85 39 24\n5 C 90 34 28\n6 C 85 34 28\n<\/span><\/span><\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Contoh 1: Temukan nilai unik dalam sebuah kolom<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Kode berikut menunjukkan cara mencari nilai unik di kolom &#8220;tim&#8221;<\/span> <span style=\"color: #000000;\">:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008080;\">#find unique values in 'team' column\n<\/span>single(df$team)\n\n[1] \u201cA\u201d \u201cB\u201d \u201cC\u201d\n<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Kita dapat menggunakan sintaks serupa untuk menemukan nilai unik di kolom &#8220;poin&#8221;:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008080;\">#find unique values in 'points' column\n<\/span>unique(df$points)\n\n[1] 90 99 85<\/span><\/span><\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Contoh 2: Temukan dan urutkan nilai unik dalam kolom<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Kode berikut menunjukkan cara mencari dan mengurutkan nilai unik di kolom &#8220;poin&#8221;<\/span> <span style=\"color: #000000;\">:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008080;\">#find and sort unique values in 'points' column<\/span>\nsort(single(df$points))\n\n[1] 85 90 99\n<\/span><\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Kita juga dapat mengurutkan nilai unik dalam urutan menurun:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008080;\">#find and sort unique values in 'points' column\n<\/span>sort(unique(df$points), decreasing= <span style=\"color: #008000;\">TRUE<\/span> )\n\n[1] 99 90 85<\/span><\/span><\/strong><\/pre>\n<h3> <span style=\"color: #000000;\"><strong>Contoh 3: Temukan dan hitung nilai unik di kolom<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Kode berikut menunjukkan cara mencari dan menghitung jumlah setiap nilai unik di kolom &#8220;poin&#8221;:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\"><span style=\"color: #000000;\"><span style=\"color: #008080;\">#find and count unique values in 'points' column\n<\/span>table(df$points)\n\n85 90 99 \n 2 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;\">Nilai 85 muncul <strong>dua kali<\/strong> .<\/span><\/li>\n<li> <span style=\"color: #000000;\">Nilai 90 muncul <strong>3<\/strong> kali.<\/span><\/li>\n<li> <span style=\"color: #000000;\">Nilai 99 muncul <strong>1<\/strong> kali.<\/span><\/li>\n<\/ul>\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 di R:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/id\/hitung-jika-r\/\" target=\"_blank\" rel=\"noopener\">Cara menjalankan fungsi COUNTIF di R<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/r-menemukan-nilai-yang-hilang\/\" target=\"_blank\" rel=\"noopener\">Cara mencari dan menghitung nilai yang hilang di R<\/a><br \/> <a href=\"https:\/\/statorials.org\/id\/r-hitung-jumlah-kemunculan-di-kolom\/\" target=\"_blank\" rel=\"noopener\">Cara menghitung jumlah kemunculan pada kolom di R<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Anda dapat menggunakan fungsi unik() di R untuk menemukan nilai unik di kolom bingkai data. Tutorial ini memberikan beberapa contoh penggunaan fungsi ini dengan bingkai data berikut: #create data frame df &lt;- data. frame (team=c(&#8216;A&#8217;, &#8216;A&#8217;, &#8216;B&#8217;, &#8216;B&#8217;, &#8216;C&#8217;, &#8216;C&#8217;), points=c(90, 99, 90, 85, 90, 85), assists=c(33, 33, 31, 39, 34, 34), rebounds=c(30, 28, 24, [&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>A: Cara menemukan nilai unik dalam kolom \u2013 Statologi<\/title>\n<meta name=\"description\" content=\"Tutorial ini menjelaskan cara menemukan nilai unik pada kolom 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-nilai-unik-di-kolom\/\" \/>\n<meta property=\"og:locale\" content=\"id_ID\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"A: Cara menemukan nilai unik dalam kolom \u2013 Statologi\" \/>\n<meta property=\"og:description\" content=\"Tutorial ini menjelaskan cara menemukan nilai unik pada kolom di R, dengan beberapa contoh.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/id\/r-nilai-unik-di-kolom\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-22T21:30:46+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\/r-nilai-unik-di-kolom\/\",\"url\":\"https:\/\/statorials.org\/id\/r-nilai-unik-di-kolom\/\",\"name\":\"A: Cara menemukan nilai unik dalam kolom \u2013 Statologi\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/id\/#website\"},\"datePublished\":\"2023-07-22T21:30:46+00:00\",\"dateModified\":\"2023-07-22T21:30:46+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81\"},\"description\":\"Tutorial ini menjelaskan cara menemukan nilai unik pada kolom di R, dengan beberapa contoh.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/id\/r-nilai-unik-di-kolom\/#breadcrumb\"},\"inLanguage\":\"id\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/id\/r-nilai-unik-di-kolom\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/id\/r-nilai-unik-di-kolom\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/statorials.org\/id\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"A: bagaimana menemukan nilai unik dalam sebuah kolom\"}]},{\"@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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