{"id":4277,"date":"2023-07-12T08:34:54","date_gmt":"2023-07-12T08:34:54","guid":{"rendered":"https:\/\/statorials.org\/cn\/r-%e8%81%9a%e5%90%88%e6%95%b0%e6%8d%ae%e5%b8%a7%e5%8f%82%e6%95%b0%e5%bf%85%e9%a1%bb%e5%85%b7%e6%9c%89%e7%9b%b8%e5%90%8c%e7%9a%84%e9%95%bf%e5%ba%a6\/"},"modified":"2023-07-12T08:34:54","modified_gmt":"2023-07-12T08:34:54","slug":"r-%e8%81%9a%e5%90%88%e6%95%b0%e6%8d%ae%e5%b8%a7%e5%8f%82%e6%95%b0%e5%bf%85%e9%a1%bb%e5%85%b7%e6%9c%89%e7%9b%b8%e5%90%8c%e7%9a%84%e9%95%bf%e5%ba%a6","status":"publish","type":"post","link":"https:\/\/statorials.org\/cn\/r-%e8%81%9a%e5%90%88%e6%95%b0%e6%8d%ae%e5%b8%a7%e5%8f%82%e6%95%b0%e5%bf%85%e9%a1%bb%e5%85%b7%e6%9c%89%e7%9b%b8%e5%90%8c%e7%9a%84%e9%95%bf%e5%ba%a6\/","title":{"rendered":"\u5982\u4f55\u4fee\u590d r\uff1aaggregate.data.frame() \u4e2d\u7684\u9519\u8bef\uff1a\u53c2\u6570\u5fc5\u987b\u5177\u6709\u76f8\u540c\u7684\u957f\u5ea6"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">\u5728 R \u4e2d\u60a8\u53ef\u80fd\u9047\u5230\u7684\u9519\u8bef\u662f\uff1a<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>Error in aggregate.data.frame(as.data.frame(x), ...): \n  arguments must have same length \n<\/strong><\/pre>\n<p><span style=\"color: #000000;\">\u5f53\u60a8\u5c1d\u8bd5\u4f7f\u7528<strong>Aggregate()<\/strong>\u51fd\u6570\u6c47\u603b R \u4e2d\u6570\u636e\u6846\u7684\u4e00\u5217\u6216\u591a\u5217\u4e2d\u7684\u503c\uff0c\u4f46\u5728\u5f15\u7528\u5217\u65f6\u65e0\u6cd5\u6307\u5b9a\u6570\u636e\u6846\u7684\u540d\u79f0\u65f6\uff0c\u5c31\u4f1a\u51fa\u73b0\u6b64\u9519\u8bef\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\">\u672c\u6559\u7a0b\u51c6\u786e\u89e3\u91ca\u4e86\u5982\u4f55\u4fee\u590d\u6b64\u9519\u8bef\u3002<\/span><\/p>\n<h2><strong>\u5982\u4f55\u91cd\u73b0\u9519\u8bef<\/strong><\/h2>\n<p><span style=\"color: #000000;\">\u5047\u8bbe\u6211\u4eec\u5728 R \u4e2d\u6709\u4ee5\u4e0b\u6570\u636e\u6846\uff1a<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #008080;\">#create data frame\n<span style=\"color: #000000;\">df &lt;- data. <span style=\"color: #3366ff;\">frame<\/span> (team=c('A', 'A', 'A', 'A', 'A', 'B', 'B', 'B', 'C', 'C'),\n                 points=c(5, 9, 12, 14, 14, 13, 10, 6, 15, 18))<\/span>\n\n#view data frame\n<span style=\"color: #000000;\">df\n\n   team points\n1 to 5\n2 to 9\n3 to 12\n4 to 14\n5 to 14\n6 B 13\n7 B 10\n8 B 6\n9 C 15\n10 C 18\n<\/span><\/span><\/strong><\/span><\/pre>\n<p><span style=\"color: #000000;\">\u73b0\u5728\u5047\u8bbe\u6211\u4eec\u5c1d\u8bd5\u4f7f\u7528<strong>Aggregate()<\/strong>\u51fd\u6570\u6765\u8ba1\u7b97\u6309<strong>\u56e2\u961f<\/strong>\u5206\u7ec4\u7684\u5e73\u5747<strong>\u5206\u503c<\/strong>\uff1a<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #008080;\">#attempt to calculate mean points value by team\n<span style=\"color: #000000;\">aggregate(df$points, list(' <span style=\"color: #ff0000;\">team<\/span> '), FUN=mean)\n\nError in aggregate.data.frame(as.data.frame(x), ...): \n  arguments must have same length<\/span><\/span><\/strong><\/span><\/pre>\n<p><span style=\"color: #000000;\">\u6211\u4eec\u6536\u5230\u9519\u8bef\uff0c\u56e0\u4e3a\u6211\u4eec\u672a\u80fd\u5728<strong>list()<\/strong>\u53c2\u6570\u4e2d\u6307\u5b9a\u6570\u636e\u5757\u540d\u79f0\u3002<\/span><\/p>\n<h2><span style=\"color: #000000;\"><strong>\u5982\u4f55\u4fee\u590d\u9519\u8bef<\/strong><\/span><\/h2>\n<p><span style=\"color: #000000;\">\u4fee\u590d\u6b64\u9519\u8bef\u7684\u65b9\u6cd5\u662f\u7b80\u5355\u5730\u5728<strong>list()<\/strong>\u53c2\u6570\u4e2d\u4f7f\u7528<strong>df$team<\/strong>\u800c\u4e0d\u662f\u4ec5\u4f7f\u7528<strong>\u201cteam\u201d<\/strong> \uff1a<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #008080;\">#calculate mean points value by team\n<span style=\"color: #000000;\">aggregate(df$points, list(df$team), FUN=mean)\n\n  Group.1 x\n1 A 10.800000\n2 B 9.666667\n3 C 16.500000\n<\/span><\/span><\/strong><\/span><\/pre>\n<p><span style=\"color: #000000;\">\u8bf7\u6ce8\u610f\uff0c\u8fd9\u6b21\u6211\u4eec\u6ca1\u6709\u6536\u5230\u4efb\u4f55\u9519\u8bef\uff0c\u56e0\u4e3a\u6211\u4eec\u5728<strong>list()<\/strong>\u53c2\u6570\u4e2d\u6307\u5b9a\u4e86\u6570\u636e\u6846\u540d\u79f0\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\">\u8bf7\u6ce8\u610f\uff0c\u5982\u679c\u60a8\u5728<strong>list()<\/strong>\u53c2\u6570\u4e2d\u4f7f\u7528\u591a\u4e2a\u5217\u540d\u79f0\uff0c\u5219\u9700\u8981\u4e3a\u6bcf\u4e2a\u5217\u540d\u79f0\u6307\u5b9a\u6570\u636e\u6846\u540d\u79f0\uff0c\u5426\u5219\u60a8\u5c06\u6536\u5230\u9519\u8bef\u3002<\/span><\/p>\n<h2><span style=\"color: #000000;\"><strong>\u5176\u4ed6\u8d44\u6e90<\/strong><\/span><\/h2>\n<p><span style=\"color: #000000;\">\u4ee5\u4e0b\u6559\u7a0b\u89e3\u91ca\u4e86\u5982\u4f55\u89e3\u51b3 R \u4e2d\u7684\u5176\u4ed6\u5e38\u89c1\u9519\u8bef\uff1a<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/cn\/r-\u540d\u79f0\u4e2d\u7684-rbind-\u9519\u8bef\u4e0e\u4ee5\u524d\u7684\u540d\u79f0\u4e0d\u5339\u914d\/\" target=\"_blank\" rel=\"noopener\">\u5982\u4f55\u5728 R \u4e2d\u4fee\u590d\uff1a\u540d\u79f0\u4e0e\u4ee5\u524d\u7684\u540d\u79f0\u4e0d\u5339\u914d<\/a><br \/><a href=\"https:\/\/statorials.org\/cn\">\u5982\u4f55\u5728 R \u4e2d\u4fee\u590d\uff1a\u8f83\u957f\u7269\u4f53\u7684\u957f\u5ea6\u4e0d\u662f\u8f83\u77ed\u7269\u4f53\u957f\u5ea6\u7684\u500d\u6570<\/a><br \/><a href=\"https:\/\/statorials.org\/cn\/\u5e94\u7528\u4e8e\u5177\u6709-2-\u4e2a\u6216\u66f4\u591a\u6c34\u5e73\u7684\u56e0\u7d20\u7684\u5bf9\u6bd4\/\" target=\"_blank\" rel=\"noopener\">\u5982\u4f55\u5728 R \u4e2d\u4fee\u590d\uff1a\u5bf9\u6bd4\u53ea\u80fd\u5e94\u7528\u4e8e\u5177\u6709 2 \u4e2a\u6216\u66f4\u591a\u7ea7\u522b\u7684\u56e0\u5b50<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 R \u4e2d\u60a8\u53ef\u80fd\u9047\u5230\u7684\u9519\u8bef\u662f\uff1a Error in aggregate.data.frame(as.data.f [&hellip;]<\/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":[],"class_list":["post-4277","post","type-post","status-publish","format-standard","hentry","category-11"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u5982\u4f55\u4fee\u590d R\uff1aAggregate.data.frame() \u4e2d\u7684\u9519\u8bef\uff1a\u53c2\u6570\u5fc5\u987b\u5177\u6709\u76f8\u540c\u7684\u957f\u5ea6 \u2013 Statorials<\/title>\n<meta name=\"description\" content=\"\u672c\u6559\u7a0b\u4ecb\u7ecd\u5982\u4f55\u4fee\u590d R 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