{"id":3057,"date":"2023-07-19T10:21:00","date_gmt":"2023-07-19T10:21:00","guid":{"rendered":"https:\/\/statorials.org\/id\/ubah-fungsinya-menjadi-r\/"},"modified":"2023-07-19T10:21:00","modified_gmt":"2023-07-19T10:21:00","slug":"ubah-fungsinya-menjadi-r","status":"publish","type":"post","link":"https:\/\/statorials.org\/id\/ubah-fungsinya-menjadi-r\/","title":{"rendered":"Cara menggunakan fungsi transformasi di r (3 contoh)"},"content":{"rendered":"

<\/p>\n

\n

Anda dapat menggunakan fungsi transform()<\/b> di basis R untuk mengubah kolom yang ada atau menambahkan kolom baru ke bingkai data.<\/span><\/p>\n

Fungsi ini menggunakan sintaks dasar berikut:<\/span><\/p>\n

 transform(df, my_column = my_column_transformed)\n<\/strong><\/pre>\n
 Contoh berikut menunjukkan cara menggunakan fungsi ini dalam skenario berbeda dengan bingkai data berikut di R:<\/span><\/p>\n
 #create data frame\n<\/span>df <- data. frame<\/span> (pos=c('G', 'G', 'F', 'F', 'C'),\n                 dots=c(23, 29, 33, 14, 10),\n                 assists=c(7, 7, 5, 9, 14))\n\n#view data frame\n<\/span>df\n\n  pos points assists\n1 G 23 7\n2 G 29 7\n3 F 33 5\n4 F 14 9\n5 C 10 14\n<\/strong><\/pre>\n
 Contoh 1: Gunakan transform() untuk mengubah kolom yang ada<\/strong><\/span><\/h3>\n
 Kode berikut menunjukkan cara menggunakan fungsi transform()<\/strong> untuk mengubah kolom titik yang ada:<\/span><\/p>\n
 #divide existing points column by 2<\/span>\ndf_new <- transform(df, points = points \/ 2<\/span> )\n\n#view new data frame\n<\/span>df_new\n\n  pos points assists\n1 G 11.5 7\n2 G 14.5 7\n3 F 16.5 5\n4 F 7.0 9\n5 C 5.0 14<\/span><\/span><\/strong><\/pre>\n
 Perhatikan bahwa setiap nilai di kolom poin yang ada telah dibelah dua dan semua kolom lainnya tetap tidak berubah.<\/span><\/span><\/p>\n
 Contoh 2: Gunakan transform() untuk menambahkan kolom baru<\/strong><\/span><\/h3>\n
 Kode berikut menunjukkan cara menggunakan fungsi transform()<\/strong> untuk menambahkan kolom baru bernama points2<\/strong> :<\/span><\/p>\n
 #add new column called points2<\/span>\ndf_new <- transform(df, points2 = points * 2<\/span> )\n\n#view new data frame\n<\/span>df_new\n\n  pos points assists points2\n1 G 23 7 46\n2 G 29 7 58\n3 F 33 5 66\n4 F 14 9 28\n5 C 10 14 20<\/span><\/span><\/strong><\/pre>\n
 Perhatikan bahwa kolom baru telah ditambahkan ke bingkai data dan semua kolom lain yang ada tetap sama.<\/span><\/p>\n
 Contoh 3: Gunakan transform() untuk menambahkan beberapa kolom baru<\/strong><\/span><\/h3>\n
 Kode berikut menunjukkan cara menggunakan fungsi transform()<\/strong> untuk menambahkan dua kolom baru bernama points2<\/strong> dan assist2<\/strong> :<\/span><\/p>\n
 #add new columns called points2 and assists2\n<\/span>df_new <- transform(df,\n                    points2 = points * 2 ,<\/span>\n<\/span>assists2 = assists * 2<\/span> )\n\n#view new data frame\n<\/span>df_new\n\n  pos points assists points2 assists2\n1G 23 7 46 14\n2 G 29 7 58 14\n3 F 33 5 66 10\n4 F 14 9 28 18\n5 C 10 14 20 28<\/span><\/span><\/strong><\/pre>\n
 Perhatikan bahwa dua kolom baru telah ditambahkan ke bingkai data dan semua kolom lain yang ada tetap sama.<\/span><\/p>\n
 Sumber daya tambahan<\/strong><\/span><\/h3>\n
 Tutorial berikut menjelaskan cara melakukan operasi umum lainnya di R:<\/span><\/p>\n
 Cara menggunakan fungsi panjang() di R<\/a>
 Cara menggunakan fungsi cat() di R<\/a>
 Cara menggunakan fungsi substring() di R<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
Anda dapat menggunakan fungsi transform() di basis R untuk mengubah kolom yang ada atau menambahkan kolom baru ke bingkai data. Fungsi ini menggunakan sintaks dasar berikut: transform(df, my_column = my_column_transformed) Contoh berikut menunjukkan cara menggunakan fungsi ini dalam skenario berbeda dengan bingkai data berikut di R: #create data frame df <- data. frame (pos=c(‘G’, ‘G’, […]<\/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 menggunakan fungsi transformasi di R (3 contoh) - Statologi<\/title>\n<meta name=\"description\" content=\"Tutorial ini menjelaskan cara menggunakan fungsi transform() di basis 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\/ubah-fungsinya-menjadi-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 transformasi di R (3 contoh) - Statologi\" \/>\n<meta property=\"og:description\" content=\"Tutorial ini menjelaskan cara menggunakan fungsi transform() di basis R, dengan beberapa contoh.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/id\/ubah-fungsinya-menjadi-r\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-19T10:21:00+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\/ubah-fungsinya-menjadi-r\/\",\"url\":\"https:\/\/statorials.org\/id\/ubah-fungsinya-menjadi-r\/\",\"name\":\"Cara menggunakan fungsi transformasi di R (3 contoh) - Statologi\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/id\/#website\"},\"datePublished\":\"2023-07-19T10:21:00+00:00\",\"dateModified\":\"2023-07-19T10:21:00+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/id\/#\/schema\/person\/3d17a1160dd2d052b7c78e502cb9ec81\"},\"description\":\"Tutorial ini menjelaskan cara menggunakan fungsi transform() di basis R, dengan beberapa contoh.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/id\/ubah-fungsinya-menjadi-r\/#breadcrumb\"},\"inLanguage\":\"id\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/id\/ubah-fungsinya-menjadi-r\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/id\/ubah-fungsinya-menjadi-r\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/statorials.org\/id\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Cara menggunakan fungsi transformasi di r (3 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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