{"id":5633,"date":"2024-03-14T15:57:16","date_gmt":"2024-03-14T06:57:16","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/r%e8%a8%80%e8%aa%9e%e3%81%a7%e3%83%87%e3%83%bc%e3%82%bf%e3%81%ae%e3%83%94%e3%83%9c%e3%83%83%e3%83%88%e3%83%86%e3%83%bc%e3%83%96%e3%83%ab%e3%82%84%e3%83%aa%e3%82%b7%e3%82%a7%e3%82%a4%e3%83%97%e6%93%8d\/"},"modified":"2025-08-03T04:39:57","modified_gmt":"2025-08-02T19:39:57","slug":"r%e8%a8%80%e8%aa%9e%e3%81%a7%e3%83%87%e3%83%bc%e3%82%bf%e3%81%ae%e3%83%94%e3%83%9c%e3%83%83%e3%83%88%e3%83%86%e3%83%bc%e3%83%96%e3%83%ab%e3%82%84%e3%83%aa%e3%82%b7%e3%82%a7%e3%82%a4%e3%83%97%e6%93%8d","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/r%e8%a8%80%e8%aa%9e%e3%81%a7%e3%83%87%e3%83%bc%e3%82%bf%e3%81%ae%e3%83%94%e3%83%9c%e3%83%83%e3%83%88%e3%83%86%e3%83%bc%e3%83%96%e3%83%ab%e3%82%84%e3%83%aa%e3%82%b7%e3%82%a7%e3%82%a4%e3%83%97%e6%93%8d\/","title":{"rendered":"R\u3067\u30d4\u30dc\u30c3\u30c8\u30c6\u30fc\u30d6\u30eb\uff01reshape2\/dplyr\u3067\u30c7\u30fc\u30bf\u6574\u5f62"},"content":{"rendered":"<p>R\u8a00\u8a9e\u3067\u306f\u3001dplyr\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u30c7\u30fc\u30bf\u306e\u30d4\u30dc\u30c3\u30c8\u30c6\u30fc\u30d6\u30eb\u3084\u518d\u5f62\u6210\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u3001\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-comment\"># \u52a0\u8f7ddplyr\u5305<\/span>\r\nlibrary<span class=\"hljs-punctuation\">(<\/span>dplyr<span class=\"hljs-punctuation\">)<\/span>\r\n\r\n<span class=\"hljs-comment\"># \u521b\u5efa\u4e00\u4e2a\u793a\u4f8b\u6570\u636e\u6846<\/span>\r\ndf <span class=\"hljs-operator\">&lt;-<\/span> data.frame<span class=\"hljs-punctuation\">(<\/span>\r\n  ID <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-built_in\">c<\/span><span class=\"hljs-punctuation\">(<\/span><span class=\"hljs-number\">1<\/span><span class=\"hljs-punctuation\">,<\/span> <span class=\"hljs-number\">1<\/span><span class=\"hljs-punctuation\">,<\/span> <span class=\"hljs-number\">2<\/span><span class=\"hljs-punctuation\">,<\/span> <span class=\"hljs-number\">2<\/span><span class=\"hljs-punctuation\">)<\/span><span class=\"hljs-punctuation\">,<\/span>\r\n  Category <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-built_in\">c<\/span><span class=\"hljs-punctuation\">(<\/span><span class=\"hljs-string\">\"A\"<\/span><span class=\"hljs-punctuation\">,<\/span> <span class=\"hljs-string\">\"B\"<\/span><span class=\"hljs-punctuation\">,<\/span> <span class=\"hljs-string\">\"A\"<\/span><span class=\"hljs-punctuation\">,<\/span> <span class=\"hljs-string\">\"B\"<\/span><span class=\"hljs-punctuation\">)<\/span><span class=\"hljs-punctuation\">,<\/span>\r\n  Value <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-built_in\">c<\/span><span class=\"hljs-punctuation\">(<\/span><span class=\"hljs-number\">10<\/span><span class=\"hljs-punctuation\">,<\/span> <span class=\"hljs-number\">20<\/span><span class=\"hljs-punctuation\">,<\/span> <span class=\"hljs-number\">30<\/span><span class=\"hljs-punctuation\">,<\/span> <span class=\"hljs-number\">40<\/span><span class=\"hljs-punctuation\">)<\/span>\r\n<span class=\"hljs-punctuation\">)<\/span>\r\n\r\n<span class=\"hljs-comment\"># \u5bf9\u6570\u636e\u8fdb\u884c\u900f\u89c6\u8868\u64cd\u4f5c<\/span>\r\npivot_table <span class=\"hljs-operator\">&lt;-<\/span> df <span class=\"hljs-operator\">%&gt;%<\/span>\r\n  group_by<span class=\"hljs-punctuation\">(<\/span>ID<span class=\"hljs-punctuation\">)<\/span> <span class=\"hljs-operator\">%&gt;%<\/span>\r\n  summarize<span class=\"hljs-punctuation\">(<\/span>\r\n    A <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-built_in\">sum<\/span><span class=\"hljs-punctuation\">(<\/span>Value<span class=\"hljs-punctuation\">[<\/span>Category <span class=\"hljs-operator\">==<\/span> <span class=\"hljs-string\">\"A\"<\/span><span class=\"hljs-punctuation\">]<\/span><span class=\"hljs-punctuation\">)<\/span><span class=\"hljs-punctuation\">,<\/span>\r\n    B <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-built_in\">sum<\/span><span class=\"hljs-punctuation\">(<\/span>Value<span class=\"hljs-punctuation\">[<\/span>Category <span class=\"hljs-operator\">==<\/span> <span class=\"hljs-string\">\"B\"<\/span><span class=\"hljs-punctuation\">]<\/span><span class=\"hljs-punctuation\">)<\/span>\r\n  <span class=\"hljs-punctuation\">)<\/span>\r\n\r\n<span class=\"hljs-comment\"># \u6253\u5370\u900f\u89c6\u8868<\/span>\r\nprint<span class=\"hljs-punctuation\">(<\/span>pivot_table<span class=\"hljs-punctuation\">)<\/span>\r\n\r\n<span class=\"hljs-comment\"># \u5bf9\u6570\u636e\u8fdb\u884c\u91cd\u5851\u64cd\u4f5c<\/span>\r\nreshaped_df <span class=\"hljs-operator\">&lt;-<\/span> df <span class=\"hljs-operator\">%&gt;%<\/span>\r\n  spread<span class=\"hljs-punctuation\">(<\/span>key <span class=\"hljs-operator\">=<\/span> Category<span class=\"hljs-punctuation\">,<\/span> value <span class=\"hljs-operator\">=<\/span> Value<span class=\"hljs-punctuation\">)<\/span>\r\n\r\n<span class=\"hljs-comment\"># \u6253\u5370\u91cd\u5851\u540e\u7684\u6570\u636e\u6846<\/span>\r\nprint<span class=\"hljs-punctuation\">(<\/span>reshaped_df<span class=\"hljs-punctuation\">)<\/span>\r\n<\/code><\/pre>\n<p>\u4e0a\u8a18\u306e\u4f8b\u3067\u306f\u3001\u307e\u305adplyr\u30d1\u30c3\u30b1\u30fc\u30b8\u306egroup_by\u3084summarize\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u30c7\u30fc\u30bf\u3092\u30d4\u30dc\u30c3\u30c8\u3057\u3001\u6b21\u306bspread\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u30c7\u30fc\u30bf\u3092\u518d\u5f62\u6210\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u95a2\u6570\u3092\u4f7f\u3046\u3053\u3068\u3067\u3001\u30c7\u30fc\u30bf\u306e\u30d4\u30dc\u30c3\u30c8\u3084\u518d\u5f62\u6210\u3092\u7c21\u5358\u306b\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>R\u8a00\u8a9e\u3067\u306f\u3001dplyr\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u30c7\u30fc\u30bf\u306e\u30d4\u30dc\u30c3\u30c8\u30c6\u30fc\u30d6\u30eb\u3084\u518d\u5f62\u6210\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u3001\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u793a\u3057\u307e\u3059\u3002 # \u52a0\u8f7ddplyr\u5305 library(dplyr) # \u521b\u5efa\u4e00\u4e2a\u793a\u4f8b\u6570\u636e\u6846 df  [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[1168,1160,797,1169,1159],"class_list":["post-5633","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-dplyr","tag-reshape2","tag-r","tag-1169","tag-1159"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>R\u3067\u30d4\u30dc\u30c3\u30c8\u30c6\u30fc\u30d6\u30eb\uff01reshape2\/dplyr\u3067\u30c7\u30fc\u30bf\u6574\u5f62 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" 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