{"id":943,"date":"2023-07-28T05:43:59","date_gmt":"2023-07-28T05:43:59","guid":{"rendered":"https:\/\/statorials.org\/ja\/r-%e3%81%ae%e5%88%97%e3%82%92%e5%89%8a%e9%99%a4%e3%81%99%e3%82%8b\/"},"modified":"2023-07-28T05:43:59","modified_gmt":"2023-07-28T05:43:59","slug":"r-%e3%81%ae%e5%88%97%e3%82%92%e5%89%8a%e9%99%a4%e3%81%99%e3%82%8b","status":"publish","type":"post","link":"https:\/\/statorials.org\/ja\/r-%e3%81%ae%e5%88%97%e3%82%92%e5%89%8a%e9%99%a4%e3%81%99%e3%82%8b\/","title":{"rendered":"R \u3067\u5217\u3092\u524a\u9664\u3059\u308b\u65b9\u6cd5 (\u4f8b\u3042\u308a)"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">\u591a\u304f\u306e\u5834\u5408\u3001R \u306e\u30c7\u30fc\u30bf \u30d5\u30ec\u30fc\u30e0\u304b\u3089 1 \u3064\u4ee5\u4e0a\u306e\u5217\u3092\u524a\u9664\u3057\u305f\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u5e78\u3044\u306a\u3053\u3068\u306b\u3001\u3053\u308c\u306f<a href=\"https:\/\/dplyr.tidyverse.org\/\" target=\"_blank\" rel=\"noopener noreferrer\">dplyr<\/a>\u30d1\u30c3\u30b1\u30fc\u30b8\u306e<a href=\"https:\/\/dplyr.tidyverse.org\/reference\/select.html\" target=\"_blank\" rel=\"noopener noreferrer\">select()<\/a>\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u7c21\u5358\u306b\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">library<\/span> (dplyr)<\/strong><\/pre>\n<p><span style=\"color: #000000;\">\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306f\u3001\u6b21\u306e\u30c7\u30fc\u30bf \u30d5\u30ec\u30fc\u30e0\u3092\u4f7f\u7528\u3057\u3066\u3053\u306e\u95a2\u6570\u3092\u5b9f\u969b\u306b\u4f7f\u7528\u3059\u308b\u65b9\u6cd5\u306e\u4f8b\u3092\u3044\u304f\u3064\u304b\u793a\u3057\u307e\u3059\u3002<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create data frame<\/span>\ndf &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (player = c('a', 'b', 'c', 'd', 'e'),\n                 position = c('G', 'F', 'F', 'G', 'G'),\n                 points = c(12, 15, 19, 22, 32),\n                 rebounds = c(5, 7, 7, 12, 11))\n\n<span style=\"color: #008080;\">#view data frame\n<\/span>df\n\n  player position points rebounds\n1 to G 12 5\n2 b F 15 7\n3 c F 19 7\n4 d G 22 12\n5th G 32 11<\/strong><\/pre>\n<h3><strong>\u4f8b 1: \u5217\u3092\u540d\u524d\u3067\u524a\u9664\u3059\u308b<\/strong><\/h3>\n<p><span style=\"color: #000000;\">\u6b21\u306e\u30b3\u30fc\u30c9\u306f\u3001\u540d\u524d\u306b\u3088\u3063\u3066\u30c7\u30fc\u30bf \u30d5\u30ec\u30fc\u30e0\u304b\u3089\u5217\u3092\u524a\u9664\u3059\u308b\u65b9\u6cd5\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#remove column named 'points'<\/span>\ndf %&gt;% select(-points)\n\n  player position rebounds\n1 to G 5\n2 b F 7\n3 c F 7\n4 d G 12\n5th G 11\n<\/strong><\/pre>\n<h3><strong>\u4f8b 2: \u30ea\u30b9\u30c8\u304b\u3089\u5217\u3092\u524a\u9664\u3059\u308b<\/strong><\/h3>\n<p><span style=\"color: #000000;\">\u6b21\u306e\u30b3\u30fc\u30c9\u306f\u3001\u7279\u5b9a\u306e\u30ea\u30b9\u30c8\u306b\u3042\u308b\u5217\u3092\u30c7\u30fc\u30bf \u30d5\u30ec\u30fc\u30e0\u304b\u3089\u524a\u9664\u3059\u308b\u65b9\u6cd5\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#remove columns named 'points' or 'rebounds'<\/span>\ndf %&gt;% select(-one_of(' <span style=\"color: #008000;\">points<\/span> ', ' <span style=\"color: #008000;\">rebounds<\/span> ')) \n\n  player position\n1 a G\n2 b F\n3c F\n4 d L\n5th G<\/strong><\/pre>\n<h3><strong>\u4f8b 3: \u7bc4\u56f2\u5185\u306e\u5217\u3092\u524a\u9664\u3059\u308b<\/strong><\/h3>\n<p><span style=\"color: #000000;\">\u6b21\u306e\u30b3\u30fc\u30c9\u306f\u3001\u300cposition\u300d\u304b\u3089\u300cbounces\u300d\u307e\u3067\u306e\u7bc4\u56f2\u5185\u306e\u3059\u3079\u3066\u306e\u5217\u3092\u524a\u9664\u3059\u308b\u65b9\u6cd5\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#remove columns in range from 'position' to 'rebounds'<\/span>\ndf %&gt;% select(-(position:rebounds)) \n\n  player\n1 a\n2b\n3 tbsp\n4d\n5th<\/strong><\/pre>\n<h3><strong>\u4f8b 4: \u5f0f\u3092\u542b\u3080\u5217\u3092\u524a\u9664\u3059\u308b<\/strong><\/h3>\n<p><span style=\"color: #000000;\">\u6b21\u306e\u30b3\u30fc\u30c9\u306f\u3001\u300cpoints\u300d\u3068\u3044\u3046\u5358\u8a9e\u3092\u542b\u3080\u3059\u3079\u3066\u306e\u5217\u3092\u524a\u9664\u3059\u308b\u65b9\u6cd5\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#remove columns that contain the word 'points'<\/span>\ndf %&gt;% select(-contains(' <span style=\"color: #008000;\">points<\/span> ')) \n\n  player position rebounds\n1 to G 5\n2 b F 7\n3 c F 7\n4 d G 12\n5th G 11<\/strong><\/pre>\n<h3><strong>\u4f8b 5: \u7279\u5b9a\u306e\u6587\u5b57\u3067\u59cb\u307e\u308b\u5217\u3092\u524a\u9664\u3059\u308b<\/strong><\/h3>\n<p><span style=\"color: #000000;\">\u6b21\u306e\u30b3\u30fc\u30c9\u306f\u3001\u300cpo\u300d\u3068\u3044\u3046\u6587\u5b57\u3067\u59cb\u307e\u308b\u3059\u3079\u3066\u306e\u5217\u3092\u524a\u9664\u3059\u308b\u65b9\u6cd5\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#remove columns that start with 'po'<\/span>\ndf %&gt;% select(-starts_with(' <span style=\"color: #008000;\">po<\/span> ')) \n\n  player rebounds\n1 to 5\n2 b 7\n3 v 7\n4 d 12\n5 th 11<\/strong><\/pre>\n<h3><strong>\u4f8b 6: \u7279\u5b9a\u306e\u6587\u5b57\u3067\u7d42\u308f\u308b\u5217\u3092\u524a\u9664\u3059\u308b<\/strong><\/h3>\n<p><span style=\"color: #000000;\">\u6b21\u306e\u30b3\u30fc\u30c9\u306f\u3001\u6587\u5b57\u300cs\u300d\u3067\u7d42\u308f\u308b\u3059\u3079\u3066\u306e\u5217\u3092\u524a\u9664\u3059\u308b\u65b9\u6cd5\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#remove columns that end with 's'<\/span>\ndf %&gt;% select(-ends_with(' <span style=\"color: #008000;\">s<\/span> ')) \n\n  player position\n1 a G\n2 b F\n3c F\n4 d G\n5th G<\/strong><\/pre>\n<h3><strong>\u4f8b 7: \u4f4d\u7f6e\u306b\u3088\u308b\u5217\u306e\u524a\u9664<\/strong><\/h3>\n<p><span style=\"color: #000000;\">\u6b21\u306e\u30b3\u30fc\u30c9\u306f\u3001\u7279\u5b9a\u306e\u4f4d\u7f6e\u306e\u5217\u3092\u524a\u9664\u3059\u308b\u65b9\u6cd5\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#remove columns in position 1 and 4<\/span>\ndf %&gt;% select(-1, -4) \n\n  position points\n1 G 12\n2 F 15\n3 F 19\n4 G 22\n5 G 32<\/strong><\/pre>\n<p><span style=\"color: #000000;\"><strong>\u6ce8<\/strong>: <strong>select()<\/strong>\u95a2\u6570\u306e\u5b8c\u5168\u306a\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306f<a href=\"https:\/\/dplyr.tidyverse.org\/reference\/select.html\" target=\"_blank\" rel=\"noopener\">\u3053\u3053\u3067<\/a>\u898b\u3064\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/span><\/p>\n<h3><span style=\"color: #000000;\"><strong>\u8ffd\u52a0\u30ea\u30bd\u30fc\u30b9<\/strong><\/span><\/h3>\n<p><span style=\"color: #000000;\">\u6b21\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306f\u3001dplyr \u3092\u4f7f\u7528\u3057\u3066\u4ed6\u306e\u4e00\u822c\u7684\u306a\u64cd\u4f5c\u3092\u5b9f\u884c\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/ja\/dplyr-\u884c\u524a\u9664\/\" target=\"_blank\" rel=\"noopener\">dplyr\u3092\u4f7f\u7528\u3057\u3066\u884c\u3092\u524a\u9664\u3059\u308b\u65b9\u6cd5<\/a><br \/><a href=\"https:\/\/statorials.org\/ja\/dplyr-\u524a\u9664-na\/\" target=\"_blank\" rel=\"noopener\">dplyr\u3092\u4f7f\u7528\u3057\u3066NA\u5024\u3092\u6301\u3064\u884c\u3092\u524a\u9664\u3059\u308b\u65b9\u6cd5<\/a><br \/><a href=\"https:\/\/statorials.org\/ja\/dplyr-\u30a4\u30f3\u30c6\u3099\u30c3\u30af\u30b9\u306b\u3088\u308b\u5217\u306e\u9078\u629e\/\" target=\"_blank\" rel=\"noopener\">dplyr\u3092\u4f7f\u7528\u3057\u3066\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306b\u3088\u3063\u3066\u5217\u3092\u9078\u629e\u3059\u308b\u65b9\u6cd5<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u591a\u304f\u306e\u5834\u5408\u3001R \u306e\u30c7\u30fc\u30bf \u30d5\u30ec\u30fc\u30e0\u304b\u3089 1 \u3064\u4ee5\u4e0a\u306e\u5217\u3092\u524a\u9664\u3057\u305f\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u5e78\u3044\u306a\u3053\u3068\u306b\u3001\u3053\u308c\u306fdplyr\u30d1\u30c3\u30b1\u30fc\u30b8\u306eselect()\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u7c21\u5358\u306b\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 library (dplyr) \u3053\u306e\u30c1 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-943","post","type-post","status-publish","format-standard","hentry","category-16"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>R \u3067\u5217\u3092\u524a\u9664\u3059\u308b\u65b9\u6cd5 (\u4f8b\u4ed8\u304d) \u2013 \u8a18\u4e8b<\/title>\n<meta name=\"description\" content=\"dplyr \u30d1\u30c3\u30b1\u30fc\u30b8\u306e select() \u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066 R \u306e\u5217\u3092\u524a\u9664\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u306e\u7c21\u5358\u306a\u8aac\u660e\u3002\" \/>\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\/ja\/r-\u306e\u5217\u3092\u524a\u9664\u3059\u308b\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"R \u3067\u5217\u3092\u524a\u9664\u3059\u308b\u65b9\u6cd5 (\u4f8b\u4ed8\u304d) \u2013 \u8a18\u4e8b\" \/>\n<meta property=\"og:description\" content=\"dplyr \u30d1\u30c3\u30b1\u30fc\u30b8\u306e select() \u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066 R \u306e\u5217\u3092\u524a\u9664\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u306e\u7c21\u5358\u306a\u8aac\u660e\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/ja\/r-\u306e\u5217\u3092\u524a\u9664\u3059\u308b\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-28T05:43:59+00:00\" \/>\n<meta name=\"author\" content=\"\u30d9\u30f3\u30b8\u30e3\u30df\u30f3\u30fb\u30a2\u30f3\u30c0\u30fc\u30bd\u30f3\u535a\u58eb\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u57f7\u7b46\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u30d9\u30f3\u30b8\u30e3\u30df\u30f3\u30fb\u30a2\u30f3\u30c0\u30fc\u30bd\u30f3\u535a\u58eb\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593\" \/>\n\t<meta name=\"twitter:data2\" content=\"1\u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/ja\/r-%e3%81%ae%e5%88%97%e3%82%92%e5%89%8a%e9%99%a4%e3%81%99%e3%82%8b\/\",\"url\":\"https:\/\/statorials.org\/ja\/r-%e3%81%ae%e5%88%97%e3%82%92%e5%89%8a%e9%99%a4%e3%81%99%e3%82%8b\/\",\"name\":\"R \u3067\u5217\u3092\u524a\u9664\u3059\u308b\u65b9\u6cd5 (\u4f8b\u4ed8\u304d) \u2013 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\u306e\u5217\u3092\u524a\u9664\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u306e\u7c21\u5358\u306a\u8aac\u660e\u3002\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/ja\/r-%e3%81%ae%e5%88%97%e3%82%92%e5%89%8a%e9%99%a4%e3%81%99%e3%82%8b\/#breadcrumb\"},\"inLanguage\":\"ja\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/ja\/r-%e3%81%ae%e5%88%97%e3%82%92%e5%89%8a%e9%99%a4%e3%81%99%e3%82%8b\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/ja\/r-%e3%81%ae%e5%88%97%e3%82%92%e5%89%8a%e9%99%a4%e3%81%99%e3%82%8b\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u5bb6\",\"item\":\"https:\/\/statorials.org\/ja\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"R \u3067\u5217\u3092\u524a\u9664\u3059\u308b\u65b9\u6cd5 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