{"id":1136,"date":"2023-07-27T13:23:25","date_gmt":"2023-07-27T13:23:25","guid":{"rendered":"https:\/\/statorials.org\/id\/loop-for-bersarang-di-r\/"},"modified":"2023-07-27T13:23:25","modified_gmt":"2023-07-27T13:23:25","slug":"loop-for-bersarang-di-r","status":"publish","type":"post","link":"https:\/\/statorials.org\/id\/loop-for-bersarang-di-r\/","title":{"rendered":"Cara membuat nested for loop di r (termasuk contoh)"},"content":{"rendered":"

<\/p>\n

\n

Perulangan for yang bersarang<\/strong> memungkinkan Anda melakukan iterasi pada elemen dalam beberapa vektor (atau beberapa dimensi matriks) dan melakukan operasi tertentu.<\/span><\/p>\n

Struktur dasar perulangan for<\/strong> di R adalah:<\/span><\/p>\n

 for<\/span> (i in<\/span> 1:4) {\n  print<\/span> (i)\n}\n\n[1] 1\n[1] 2\n[1] 3\n[1] 4<\/strong><\/pre>\n
 Dan struktur dasar dari perulangan for bersarang<\/strong> adalah:<\/span><\/p>\n
 for<\/span> (i in<\/span> 1:4) {\n  for<\/span> (j in<\/span> 1:2) {\n    print<\/span> (i*j)\n  }\n}\n\n[1] 1\n[1] 2\n[1] 2\n[1] 4\n[1] 3\n[1] 6\n[1] 4\n[1] 8<\/strong><\/pre>\n
 Tutorial ini menunjukkan beberapa contoh pembuatan loop for bersarang di R.<\/span><\/p>\n
 Contoh 1: Perulangan For bersarang di R<\/strong><\/span><\/h3>\n
 Kode berikut menunjukkan cara menggunakan loop for bersarang untuk mengisi nilai matriks 4×4:<\/span><\/p>\n
 #create matrix\n<\/span>empty_mat <- matrix(nrow= 4<\/span> , ncol= 4<\/span> )\n\n#view empty matrix<\/span>\nempty_mat\n     [,1] [,2] [,3] [,4]\n[1,] NA NA NA NA\n[2,] NA NA NA NA\n[3,] NA NA NA NA\n[4,] NA NA NA NA\n\n#use nested for loop to fill in values of matrix\n<\/span>for<\/span> (i in<\/span> 1:4) {\n  for<\/span> (j in<\/span> 1:4) {\n    empty_mat[i, j] = (i*j)\n  }\n}\n\n#view matrix<\/span>\nempty_mat\n\n     [,1] [,2] [,3] [,4]\n[1,] 1 2 3 4\n[2,] 2 4 6 8\n[3,] 3 6 9 12\n[4,] 4 8 12 16\n<\/span><\/span><\/strong><\/pre>\n
 Contoh 2: Perulangan For bersarang di R<\/strong><\/span><\/h3>\n
 Kode berikut menunjukkan cara menggunakan perulangan for bersarang untuk mengkuadratkan setiap nilai dalam bingkai data:<\/span><\/p>\n
 #create empty data frame\n<\/span>df <- data.frame(var1=c(1, 7, 4),\n                 var2=c(9, 13, 15))\n\n#view empty data frame<\/span>\ndf\n\n  var1 var2\n1 1 9\n2 7 13\n3 4 15\n\n#use nested for loop to square each value in the data frame\n<\/span>for<\/span> (i in<\/span> 1:nrow(df)) {\n  for<\/span> (j in<\/span> 1:ncol(df)) {\n    df[i, j] = df[i, j]^2\n  }\n}\n\n#view new data frame<\/span>\ndf\n\n  var1 var2\n1 1 81\n2 49 169\n3 16 225<\/span><\/span><\/strong><\/pre>\n
 Catatan tentang perulangan<\/strong><\/h3>\n
 Secara umum, loop for bersarang bekerja dengan baik pada kumpulan data atau matriks kecil, namun cenderung cukup lambat pada data yang lebih besar.<\/span><\/p>\n
 Untuk data besar, rangkaian fungsi aplikasi<\/a> cenderung jauh lebih cepat, dan paket data.table<\/a> memiliki banyak fungsi bawaan yang bekerja secara efisien pada kumpulan data yang lebih besar.<\/span><\/p>\n
 Sumber daya tambahan<\/strong><\/span><\/h3>\n
 Cara mengulangi nama kolom di R<\/a>
 Bagaimana cara menambahkan baris ke bingkai data di R<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
Perulangan for yang bersarang memungkinkan Anda melakukan iterasi pada elemen dalam beberapa vektor (atau beberapa dimensi matriks) dan melakukan operasi tertentu. Struktur dasar perulangan for di R adalah: for (i in 1:4) { print (i) } [1] 1 [1] 2 [1] 3 [1] 4 Dan struktur dasar dari perulangan for bersarang adalah: for (i in […]<\/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":"\nCara Membuat Nested For Loop di R (Termasuk Contoh)<\/title>\n<meta name=\"description\" content=\"Tutorial ini menjelaskan cara membuat loop for bersarang 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\/loop-for-bersarang-di-r\/\" \/>\n<meta property=\"og:locale\" content=\"id_ID\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cara Membuat Nested For Loop di R (Termasuk Contoh)\" \/>\n<meta property=\"og:description\" content=\"Tutorial ini menjelaskan cara membuat loop for bersarang di R, dengan beberapa contoh.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/id\/loop-for-bersarang-di-r\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-27T13:23:25+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\/loop-for-bersarang-di-r\/\",\"url\":\"https:\/\/statorials.org\/id\/loop-for-bersarang-di-r\/\",\"name\":\"Cara Membuat Nested For Loop di R (Termasuk Contoh)\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/id\/#website\"},\"datePublished\":\"2023-07-27T13:23:25+00:00\",\"dateModified\":\"2023-07-27T13:23:25+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81\"},\"description\":\"Tutorial ini menjelaskan cara membuat loop for bersarang di R, dengan beberapa contoh.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/id\/loop-for-bersarang-di-r\/#breadcrumb\"},\"inLanguage\":\"id\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/id\/loop-for-bersarang-di-r\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/id\/loop-for-bersarang-di-r\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/statorials.org\/id\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Cara membuat nested for loop di r (termasuk 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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