{"id":2954,"date":"2023-07-19T22:03:21","date_gmt":"2023-07-19T22:03:21","guid":{"rendered":"https:\/\/statorials.org\/ja\/r%e3%81%a6%e3%82%99%e9%9b%bb%e8%a9%b1%e3%82%92%e3%81%8b%e3%81%91%e3%82%8b\/"},"modified":"2023-07-19T22:03:21","modified_gmt":"2023-07-19T22:03:21","slug":"r%e3%81%a6%e3%82%99%e9%9b%bb%e8%a9%b1%e3%82%92%e3%81%8b%e3%81%91%e3%82%8b","status":"publish","type":"post","link":"https:\/\/statorials.org\/ja\/r%e3%81%a6%e3%82%99%e9%9b%bb%e8%a9%b1%e3%82%92%e3%81%8b%e3%81%91%e3%82%8b\/","title":{"rendered":"R \u3067 do.call \u3092\u4f7f\u7528\u3059\u308b\u65b9\u6cd5 (3 \u3064\u306e\u4f8b)"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">R \u3067<strong>do.call()<\/strong>\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u6307\u5b9a\u3055\u308c\u305f\u95a2\u6570\u3092\u30ea\u30b9\u30c8\u5168\u4f53\u306b\u9069\u7528\u3067\u304d\u307e\u3059\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\">\u3053\u306e\u95a2\u6570\u306f\u6b21\u306e\u57fa\u672c\u69cb\u6587\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #000000;\">do. <span style=\"color: #3366ff;\">call<\/span> (function, list)<\/span><\/strong><\/pre>\n<p><span style=\"color: #000000;\">\u6b21\u306e\u4f8b\u306f\u3001\u5b9f\u969b\u306b<strong>do.call()<\/strong>\u3092\u4f7f\u7528\u3059\u308b\u65b9\u6cd5\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/span><\/p>\n<h2><span style=\"color: #000000;\"><strong>\u4f8b 1: sum \u3092\u6307\u5b9a\u3057\u3066 do.call() \u3092\u4f7f\u7528\u3059\u308b<\/strong><\/span><\/h2>\n<p><span style=\"color: #000000;\">\u6b21\u306e\u30b3\u30fc\u30c9\u306f\u3001 <strong>do.call()<\/strong>\u3092\u4f7f\u7528\u3057\u3066\u30ea\u30b9\u30c8\u5185\u306e\u5024\u306e\u5408\u8a08\u3092\u8a08\u7b97\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;\">#create list<\/span>\nvalues_list &lt;- list(A=c(1, 2, 3), B=c(7, 5, 10), C=c(9, 9, 2))\n\n<span style=\"color: #008080;\">#calculate sum of values in list<\/span>\ndo. <span style=\"color: #3366ff;\">call<\/span> (sum, values_list)\n\n[1] 48<\/strong><\/pre>\n<p><span style=\"color: #000000;\"><span style=\"color: #000000;\">\u30ea\u30b9\u30c8\u5185\u306e\u5024\u306e\u5408\u8a08\u306f<strong>48<\/strong>\u3067\u3059\u3002<\/span><\/span><\/p>\n<p><span style=\"color: #000000;\">\u30ea\u30b9\u30c8\u306b\u5bfe\u3057\u3066<strong>sum()<\/strong>\u3092\u76f4\u63a5\u4f7f\u7528\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u3001\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create list<\/span>\nvalues_list &lt;- list(A=c(1, 2, 3), B=c(7, 5, 10), C=c(9, 9, 2))\n\n<span style=\"color: #008080;\">#attempt to sum values in list<\/span>\nsum(values_list)\n\nError in sum(values_list): invalid 'type' (list) of argument\n<\/strong><\/pre>\n<h2><span style=\"color: #000000;\"><strong>\u4f8b 2: do.call() \u3092\u5e73\u5747\u5024\u3067\u4f7f\u7528\u3059\u308b<\/strong><\/span><\/h2>\n<p><span style=\"color: #000000;\">\u6b21\u306e\u30b3\u30fc\u30c9\u306f\u3001 <strong>do.call()<\/strong>\u3092\u4f7f\u7528\u3057\u3066\u30ea\u30b9\u30c8\u5185\u306e\u5024\u306e\u5e73\u5747\u3092\u8a08\u7b97\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;\">#define argument to use in do.call<\/span>\nargs &lt;- list(1:20, na. <span style=\"color: #3366ff;\">rm<\/span> = <span style=\"color: #008000;\">TRUE<\/span> )\n\n<span style=\"color: #008080;\">#calculate mean of values in list<\/span>\ndo. <span style=\"color: #3366ff;\">call<\/span> (mean, args)\n\n[1] 10.5\n<\/strong><\/pre>\n<p><span style=\"color: #000000;\">\u30ea\u30b9\u30c8\u5185\u306e\u5024\u306e\u5e73\u5747\u306f<strong>10.5<\/strong>\u3067\u3059\u3002<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>Mean()<\/strong>\u3092\u30ea\u30b9\u30c8\u306b\u5bfe\u3057\u3066\u76f4\u63a5\u4f7f\u7528\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u3001\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#attempt to calculate mean of values in list<\/span>\nmean(list(1:20), na. <span style=\"color: #3366ff;\">rm<\/span> = <span style=\"color: #008000;\">TRUE<\/span> )\n\n[1] NA\nWarning message:\nIn mean.default(list(1:20), na.rm = TRUE):\n  argument is not numeric or logical: returning NA<\/strong><\/pre>\n<h2><span style=\"color: #000000;\"><strong>\u4f8b 3: rbind \u3067 do.call() \u3092\u4f7f\u7528\u3059\u308b<\/strong><\/span><\/h2>\n<p><span style=\"color: #000000;\">\u6b21\u306e\u30b3\u30fc\u30c9\u306f\u3001 <strong>do.call() \u3092<\/strong>\u4f7f\u7528\u3057\u3066 R \u3067\u8907\u6570\u306e\u30c7\u30fc\u30bf \u30d5\u30ec\u30fc\u30e0\u3092\u63a5\u7d9a\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;\">#create three data frames\n<\/span>df1 &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (team=c('A', 'B', 'C'),\n                  dots=c(22, 27, 38))\n\ndf2 &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (team=c('D', 'E', 'F'),\n                  dots=c(22, 14, 20))\n\ndf3 &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (team=c('G', 'H', 'I'),\n                  dots=c(11, 15, 18))\n\n<span style=\"color: #008080;\">#place three data frames into list\n<\/span>df_list &lt;- list(df1, df2, df3)\n\n<span style=\"color: #008080;\">#row bind together all three data frames\n<\/span>do. <span style=\"color: #3366ff;\">call<\/span> (rbind, df_list)\n\n  team points\n1 to 22\n2 B 27\n3 C 38\n4 D 22\n5 E 14\n6 F 20\n7 G 11\n8:15 a.m.\n9 I 18\n<\/strong><\/pre>\n<p><span style=\"color: #000000;\"><span style=\"color: #000000;\">\u7d50\u679c\u306f\u30013 \u3064\u306e\u30c7\u30fc\u30bf \u30d5\u30ec\u30fc\u30e0\u305d\u308c\u305e\u308c\u306e\u884c\u3092\u542b\u3080\u30c7\u30fc\u30bf \u30d5\u30ec\u30fc\u30e0\u306b\u306a\u308a\u307e\u3059\u3002<\/span><\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>rbind()<\/strong>\u3092\u30ea\u30b9\u30c8\u306b\u5bfe\u3057\u3066\u76f4\u63a5\u4f7f\u7528\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u3001\u76ee\u7684\u306e\u30c7\u30fc\u30bf \u30d5\u30ec\u30fc\u30e0\u3092\u53d7\u4fe1\u3067\u304d\u306a\u3044\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create three data frames\n<\/span>df1 &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (team=c('A', 'B', 'C'),\n                  dots=c(22, 27, 38))\n\ndf2 &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (team=c('D', 'E', 'F'),\n                  dots=c(22, 14, 20))\n\ndf3 &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (team=c('G', 'H', 'I'),\n                  dots=c(11, 15, 18))\n\n<span style=\"color: #008080;\">#place three data frames into list\n<\/span>df_list &lt;- list(df1, df2, df3)\n\n<span style=\"color: #008080;\">#attmempt to row bind together all three data frames\n<\/span>rbind(df_list)\n\n        [,1] [,2] [,3]  \ndf_list List,2 List,2 List,2\n<\/strong><\/pre>\n<h2><span style=\"color: #000000;\"><strong>\u8ffd\u52a0\u30ea\u30bd\u30fc\u30b9<\/strong><\/span><\/h2>\n<p><span style=\"color: #000000;\">\u6b21\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306f\u3001R \u306e\u4ed6\u306e\u4e00\u822c\u7684\u306a\u95a2\u6570\u306e\u4f7f\u7528\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/ja\/\u30d8\u309a\u30fc\u30b9\u30c8\/\">R\u3067paste\u95a2\u6570\u3068paste0\u95a2\u6570\u3092\u4f7f\u7528\u3059\u308b\u65b9\u6cd5<\/a><br \/><a href=\"https:\/\/statorials.org\/ja\/r-\u306e\u7f6e\u63db\u95a2\u6570\/\" target=\"_blank\" rel=\"noopener\">R \u3067 replace() \u95a2\u6570\u3092\u4f7f\u7528\u3059\u308b\u65b9\u6cd5<\/a><br \/><a href=\"https:\/\/statorials.org\/ja\/r-\u306e\u95a2\u6570\u3092\u53c2\u7167\/\" target=\"_blank\" rel=\"noopener\">R \u3067 View() \u95a2\u6570\u3092\u4f7f\u7528\u3059\u308b\u65b9\u6cd5<\/a><br \/><a href=\"https:\/\/statorials.org\/ja\/r\u306erep\u95a2\u6570\/\" target=\"_blank\" rel=\"noopener\">R \u3067 rep() \u95a2\u6570\u3092\u4f7f\u7528\u3059\u308b\u65b9\u6cd5<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>R \u3067do.call()\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u6307\u5b9a\u3055\u308c\u305f\u95a2\u6570\u3092\u30ea\u30b9\u30c8\u5168\u4f53\u306b\u9069\u7528\u3067\u304d\u307e\u3059\u3002 \u3053\u306e\u95a2\u6570\u306f\u6b21\u306e\u57fa\u672c\u69cb\u6587\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002 do. call (function, list) \u6b21\u306e\u4f8b\u306f\u3001\u5b9f\u969b\u306bdo.call()\u3092\u4f7f\u7528\u3059\u308b\u65b9\u6cd5 [&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-2954","post","type-post","status-publish","format-standard","hentry","category-16"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - 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content=\"\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306f\u3001R \u3067 do.call() \u95a2\u6570\u3092\u4f7f\u7528\u3059\u308b\u65b9\u6cd5\u3092\u3044\u304f\u3064\u304b\u306e\u4f8b\u3068\u3068\u3082\u306b\u8aac\u660e\u3057\u307e\u3059\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/ja\/r\u3066\u3099\u96fb\u8a71\u3092\u304b\u3051\u308b\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-19T22:03:21+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\" 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