{"id":1112,"date":"2023-07-27T15:21:30","date_gmt":"2023-07-27T15:21:30","guid":{"rendered":"https:\/\/statorials.org\/id\/kesamaan-kosinus-r\/"},"modified":"2023-07-27T15:21:30","modified_gmt":"2023-07-27T15:21:30","slug":"kesamaan-kosinus-r","status":"publish","type":"post","link":"https:\/\/statorials.org\/id\/kesamaan-kosinus-r\/","title":{"rendered":"Cara menghitung kesamaan kosinus di r"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\"><strong>Kemiripan kosinus<\/strong> adalah ukuran kemiripan antara dua vektor pada ruang hasilkali dalam.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Untuk dua vektor, A dan B, persamaan cosinus dihitung sebagai berikut:<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Kemiripan kosinus<\/strong> = \u03a3A <sub>i<\/sub> B <sub>i<\/sub> \/ (\u221a\u03a3A <sub>i<\/sub> <sup>2<\/sup> \u221a\u03a3B <sub>i<\/sub> <sup>2<\/sup> )<\/span><\/p>\n<p> <span style=\"color: #000000;\">Tutorial ini menjelaskan cara menghitung kesamaan kosinus antar vektor di R menggunakan fungsi <strong>cosinus()<\/strong> dari perpustakaan <strong>lsa<\/strong> .<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Kesamaan kosinus antara dua vektor di R<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Kode berikut menunjukkan cara menghitung kesamaan cosinus antara dua vektor di R:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #000000;\"><span style=\"color: #107d3f;\"><span style=\"color: #993300;\">library<\/span> <span style=\"color: #000000;\">(lsa)<\/span>\n<\/span><\/span>\n<span style=\"color: #008080;\">#definevectors\n<\/span>a &lt;- c(23, 34, 44, 45, 42, 27, 33, 34)\nb &lt;- c(17, 18, 22, 26, 26, 29, 31, 30)\n\n<span style=\"color: #008080;\">#calculate Cosine Similarity\n<\/span>cosine(a, b)\n\n         [,1]\n[1,] 0.965195\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Kemiripan kosinus kedua vektor tersebut ternyata adalah <strong>0,965195<\/strong> .<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Kesamaan kosinus suatu matriks di R<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Kode berikut menunjukkan cara menghitung kesamaan kosinus antara matriks vektor:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #000000;\"><span style=\"color: #107d3f;\"><span style=\"color: #993300;\">library<\/span> <span style=\"color: #000000;\">(lsa)\n<\/span><\/span><\/span>\n<span style=\"color: #008080;\">#define matrix\n<\/span>a &lt;- c(23, 34, 44, 45, 42, 27, 33, 34)\nb &lt;- c(17, 18, 22, 26, 26, 29, 31, 30)\nc &lt;- c(34, 35, 35, 36, 51, 29, 30, 31)\n\ndata &lt;- cbind(a, b, c)\n\n<span style=\"color: #008080;\">#calculate Cosine Similarity\n<\/span>cosine(data)\n\n          ABC\na 1.0000000 0.9651950 0.9812406\nb 0.9651950 1.0000000 0.9573478\nc 0.9812406 0.9573478 1.0000000\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\"><span style=\"color: #000000;\">Berikut cara menafsirkan hasilnya:<\/span><\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">Kemiripan cosinus antara vektor <em>a<\/em> dan <em>b<\/em> adalah <strong>0.9651950<\/strong> .<\/span><\/li>\n<li> <span style=\"color: #000000;\">Kemiripan cosinus antara vektor <em>a<\/em> dan <em>c<\/em> adalah <strong>0.9812406<\/strong> .<\/span><\/li>\n<li> <span style=\"color: #000000;\">Kemiripan cosinus antara vektor <em>b<\/em> dan <em>c<\/em> adalah <strong>0.9573478<\/strong> .<\/span><\/li>\n<\/ul>\n<h3> <span style=\"color: #000000;\"><strong>Komentar<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\"><strong>1.<\/strong> Fungsi <strong>cosinus()<\/strong> akan bekerja dengan matriks persegi dengan ukuran berapa pun.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>2.<\/strong> Fungsi <strong>cosinus()<\/strong> akan bekerja pada matriks, tetapi <em>tidak<\/em> pada bingkai data. Namun, Anda dapat dengan mudah mengonversi bingkai data menjadi matriks di R menggunakan fungsi <strong>as.matrix()<\/strong> .<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>3.<\/strong> Lihat<a href=\"https:\/\/en.wikipedia.org\/wiki\/Cosine_similarity\" target=\"_blank\" rel=\"noopener noreferrer\">halaman Wikipedia ini<\/a> untuk mempelajari lebih lanjut tentang kesamaan kosinus.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Kemiripan kosinus adalah ukuran kemiripan antara dua vektor pada ruang hasilkali dalam. Untuk dua vektor, A dan B, persamaan cosinus dihitung sebagai berikut: Kemiripan kosinus = \u03a3A i B i \/ (\u221a\u03a3A i 2 \u221a\u03a3B i 2 ) Tutorial ini menjelaskan cara menghitung kesamaan kosinus antar vektor di R menggunakan fungsi cosinus() dari perpustakaan lsa [&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 kesamaan cosinus di R - Statorials<\/title>\n<meta name=\"description\" content=\"Tutorial ini menjelaskan cara menghitung kosinus dengan cara serupa 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\/kesamaan-kosinus-r\/\" \/>\n<meta property=\"og:locale\" content=\"id_ID\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cara menghitung kesamaan cosinus di R - Statorials\" \/>\n<meta property=\"og:description\" content=\"Tutorial ini menjelaskan cara menghitung kosinus dengan cara serupa di R, dengan beberapa contoh.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/id\/kesamaan-kosinus-r\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-27T15:21:30+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\/kesamaan-kosinus-r\/\",\"url\":\"https:\/\/statorials.org\/id\/kesamaan-kosinus-r\/\",\"name\":\"Cara menghitung kesamaan cosinus di R - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/id\/#website\"},\"datePublished\":\"2023-07-27T15:21:30+00:00\",\"dateModified\":\"2023-07-27T15:21:30+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81\"},\"description\":\"Tutorial ini menjelaskan cara menghitung kosinus dengan cara serupa di R, dengan beberapa contoh.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/id\/kesamaan-kosinus-r\/#breadcrumb\"},\"inLanguage\":\"id\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/id\/kesamaan-kosinus-r\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/id\/kesamaan-kosinus-r\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/statorials.org\/id\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Cara menghitung kesamaan kosinus 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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