{"id":1875,"date":"2023-07-24T15:18:32","date_gmt":"2023-07-24T15:18:32","guid":{"rendered":"https:\/\/statorials.org\/ja\/r%e3%81%ae%e5%90%88%e8%a8%88%e9%96%a2%e6%95%b0\/"},"modified":"2023-07-24T15:18:32","modified_gmt":"2023-07-24T15:18:32","slug":"r%e3%81%ae%e5%90%88%e8%a8%88%e9%96%a2%e6%95%b0","status":"publish","type":"post","link":"https:\/\/statorials.org\/ja\/r%e3%81%ae%e5%90%88%e8%a8%88%e9%96%a2%e6%95%b0\/","title":{"rendered":"R \u3067 sum() \u95a2\u6570\u3092\u4f7f\u7528\u3059\u308b\u65b9\u6cd5 (\u4f8b\u4ed8\u304d)"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">R \u306e<strong>sum()<\/strong>\u95a2\u6570\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30d9\u30af\u30c8\u30eb\u5185\u306e\u5024\u306e\u5408\u8a08\u3092\u6c42\u3081\u308b\u3053\u3068\u304c\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<p> <span style=\"color: #000000;\"><strong>sum(x, na.rm=FALSE)<\/strong><\/span><\/p>\n<p><span style=\"color: #000000;\">\u91d1\uff1a<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>x<\/strong> : \u30d9\u30af\u30c8\u30eb\u306e\u540d\u524d\u3002<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>na.rm<\/strong> : NA \u5024\u3092\u7121\u8996\u3059\u308b\u304b\u3069\u3046\u304b\u3002\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u306f false \u3067\u3059\u3002<\/span><\/li>\n<\/ul>\n<p><span style=\"color: #000000;\">\u6b21\u306e\u4f8b\u306f\u3001\u3053\u306e\u95a2\u6570\u3092\u5b9f\u969b\u306b\u4f7f\u7528\u3059\u308b\u65b9\u6cd5\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/span><\/p>\n<h3><span style=\"color: #000000;\"><strong>\u4f8b 1: \u30d9\u30af\u30c8\u30eb\u5185\u306e\u5024\u306e\u5408\u8a08<\/strong><\/span><\/h3>\n<p><span style=\"color: #000000;\">\u6b21\u306e\u30b3\u30fc\u30c9\u306f\u3001\u30d9\u30af\u30c8\u30eb\u306b\u5024\u3092\u8ffd\u52a0\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;\">#createvector<\/span>\nx &lt;- c(3, 6, 7, 12, 15)\n\n<span style=\"color: #008080;\">#sum values in vector\n<\/span>sum(x)\n\n[1] 43<\/strong><\/pre>\n<p><span style=\"color: #000000;\">\u30d9\u30af\u30c8\u30eb\u306b NA \u5024\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u5e73\u5747\u3092\u8a08\u7b97\u3059\u308b\u3068\u304d\u306b<strong>na.rm=TRUE<\/strong>\u3092\u4f7f\u7528\u3057\u3066\u6b20\u640d\u5024\u3092\u7121\u8996\u3067\u304d\u307e\u3059\u3002<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create vector with some NA values<\/span>\nx &lt;- c(3, NA, 7, NA, 15)\n\n<span style=\"color: #008080;\">#sum values in vector\n<\/span>sum(x, na. <span style=\"color: #3366ff;\">rm<\/span> = <span style=\"color: #008000;\">TRUE<\/span> )\n\n[1] 25<\/strong><\/pre>\n<h3><span style=\"color: #000000;\"><strong>\u4f8b 2: \u30c7\u30fc\u30bf \u30d5\u30ec\u30fc\u30e0\u5217\u306e\u5024\u306e\u5408\u8a08<\/strong><\/span><\/h3>\n<p><span style=\"color: #000000;\">\u6b21\u306e\u30b3\u30fc\u30c9\u306f\u3001\u30c7\u30fc\u30bf \u30d5\u30ec\u30fc\u30e0\u306e\u7279\u5b9a\u306e\u5217\u306b\u5024\u3092\u8ffd\u52a0\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 data frame<\/span>\ndf &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (var1=c(1, 3, 3, 4, 5),\n                 var2=c(7, 7, 8, 3, 2),\n                 var3=c(3, 3, 6, 6, 8),\n                 var4=c(1, 1, 2, 8, 9))\n\n<span style=\"color: #008080;\">#view data frame<\/span>\ndf\n\n  var1 var2 var3 var4\n1 1 7 3 1\n2 3 7 3 1\n3 3 8 6 2\n4 4 3 6 8\n5 5 2 8 9\n\n<span style=\"color: #008080;\">#sum values in 'var1' column\n<\/span>sum(df$var1)\n\n[1] 16<\/strong><\/pre>\n<h3><span style=\"color: #000000;\"><strong>\u4f8b 3: \u8907\u6570\u306e\u30c7\u30fc\u30bf \u30d5\u30ec\u30fc\u30e0\u5217\u306e\u5024\u306e\u5408\u8a08<\/strong><\/span><\/h3>\n<p><span style=\"color: #000000;\">\u6b21\u306e\u30b3\u30fc\u30c9\u306f\u3001 <strong>sapply()<\/strong>\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u30c7\u30fc\u30bf \u30d5\u30ec\u30fc\u30e0\u5185\u306e\u8907\u6570\u306e\u5217\u306e\u5024\u3092\u8ffd\u52a0\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 data frame<\/span>\ndf &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (var1=c(1, 3, 3, 4, 5),\n                 var2=c(7, 7, 8, 3, 2),\n                 var3=c(3, 3, 6, 6, 8),\n                 var4=c(1, 1, 2, 8, 9))\n\n<span style=\"color: #008080;\">#view data frame<\/span>\ndf\n\n  var1 var2 var3 var4\n1 1 7 3 1\n2 3 7 3 1\n3 3 8 6 2\n4 4 3 6 8\n5 5 2 8 9\n\n<span style=\"color: #008080;\">#sum values in 'var1' and 'var3' columns\n<\/span>sapply(df[, c(' <span style=\"color: #ff0000;\">var1<\/span> ', ' <span style=\"color: #ff0000;\">var3<\/span> ')], sum)\n\nvar1 var3 \n  16 26<\/strong><\/pre>\n<h3><span style=\"color: #000000;\"><strong>\u8ffd\u52a0\u30ea\u30bd\u30fc\u30b9<\/strong><\/span><\/h3>\n<p><a href=\"https:\/\/statorials.org\/ja\/r-\u306e\u5834\u5408\u306f\u30ab\u30a6\u30f3\u30c8\u3059\u308b\/\" target=\"_blank\" rel=\"noopener\">R\u3067COUNTIF\u95a2\u6570\u3092\u5b9f\u884c\u3059\u308b\u65b9\u6cd5<\/a><br \/><a href=\"https:\/\/statorials.org\/ja\/r\u306e\u5408\u8a08\/\" target=\"_blank\" rel=\"noopener\">R\u3067SUMIF\u95a2\u6570\u3092\u5b9f\u884c\u3059\u308b\u65b9\u6cd5<\/a><br \/><a href=\"https:\/\/statorials.org\/ja\/r\u306erowsum\u95a2\u6570\/\" target=\"_blank\" rel=\"noopener\">R \u3067 rowSums() \u95a2\u6570\u3092\u4f7f\u7528\u3059\u308b\u65b9\u6cd5<\/a><br \/><a href=\"https:\/\/statorials.org\/ja\/r\u306ecolsums\u95a2\u6570\/\" target=\"_blank\" rel=\"noopener\">R\u3067colSums()\u95a2\u6570\u3092\u4f7f\u7528\u3059\u308b\u65b9\u6cd5<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>R \u306esum()\u95a2\u6570\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30d9\u30af\u30c8\u30eb\u5185\u306e\u5024\u306e\u5408\u8a08\u3092\u6c42\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u3053\u306e\u95a2\u6570\u306f\u6b21\u306e\u57fa\u672c\u69cb\u6587\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002 sum(x, na.rm=FALSE) \u91d1\uff1a x : \u30d9\u30af\u30c8\u30eb\u306e\u540d\u524d\u3002 na.rm : NA \u5024\u3092\u7121\u8996 [&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-1875","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 sum() \u95a2\u6570\u3092\u4f7f\u7528\u3059\u308b\u65b9\u6cd5 (\u4f8b\u4ed8\u304d) \u2013 \u8a18\u4e8b<\/title>\n<meta name=\"description\" content=\"\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306f\u3001R \u3067 sum() \u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u30d9\u30af\u30c8\u30eb\u306e\u5024\u3092\u52a0\u7b97\u3059\u308b\u65b9\u6cd5\u3092\u3044\u304f\u3064\u304b\u306e\u4f8b\u3068\u3068\u3082\u306b\u8aac\u660e\u3057\u307e\u3059\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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