{"id":1084,"date":"2023-07-27T17:40:43","date_gmt":"2023-07-27T17:40:43","guid":{"rendered":"https:\/\/statorials.org\/cn\/r-%e4%b8%ad%e7%9a%84%e5%a0%86%e6%a0%88%e5%88%97\/"},"modified":"2023-07-27T17:40:43","modified_gmt":"2023-07-27T17:40:43","slug":"r-%e4%b8%ad%e7%9a%84%e5%a0%86%e6%a0%88%e5%88%97","status":"publish","type":"post","link":"https:\/\/statorials.org\/cn\/r-%e4%b8%ad%e7%9a%84%e5%a0%86%e6%a0%88%e5%88%97\/","title":{"rendered":"\u5982\u4f55\u5728 r \u4e2d\u5806\u53e0\u6570\u636e\u6846\u5217"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">\u901a\u5e38\uff0c\u60a8\u53ef\u80fd\u5e0c\u671b\u5c06\u4e24\u4e2a\u6216\u591a\u4e2a\u6570\u636e\u6846\u5217\u5806\u53e0\u5230 R \u4e2d\u7684\u5355\u4e2a\u5217\u4e2d\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\">\u4f8b\u5982\uff0c\u60a8\u53ef\u80fd\u60f3\u4ece\u8fd9\u91cc\u5f00\u59cb\uff1a<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>person trial outcome1 outcome2\n     A 1 7 4\n     A 2 6 4\n     B 1 6 5\n     B 2 5 5\n     C 1 4 3\n     C 2 4 2\n<\/strong><\/pre>\n<p><span style=\"color: #000000;\">\u4e3a\u4e86\u90a3\u4e2a\u539f\u56e0\uff1a<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>person trial outcomes value\n      A 1 outcome1 7\n      A 2 outcome1 6\n      B 1 outcome1 6\n      B 2 outcome1 5\n      C 1 outcome1 4\n      C 2 outcome1 4\n      A 1 outcome2 4\n      A 2 outcome2 4\n      B 1 outcome2 5\n      B 2 outcome2 5\n      C 1 outcome2 3\n      C 2 outcome2 2<\/strong><\/pre>\n<p><span style=\"color: #000000;\">\u672c\u6559\u7a0b\u4ecb\u7ecd\u4e86\u60a8\u53ef\u4ee5\u5728 R \u4e2d\u4f7f\u7528\u7684\u4e24\u79cd\u65b9\u6cd5\u6765\u6267\u884c\u6b64\u64cd\u4f5c\u3002<\/span><\/p>\n<h3><span style=\"color: #000000;\"><strong>\u65b9\u6cd5\u4e00\uff1a\u4f7f\u7528Base R\u4e2d\u7684Stack\u51fd\u6570<\/strong><\/span><\/h3>\n<p><span style=\"color: #000000;\">\u4ee5\u4e0b\u4ee3\u7801\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528 Base R \u4e2d\u7684<strong>stack<\/strong>\u51fd\u6570\u5806\u53e0\u5217\uff1a<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#create original data frame\n<\/span>data &lt;- data.frame(person=c('A', 'A', 'B', 'B', 'C', 'C'),\n                   trial=c(1, 2, 1, 2, 1, 2),\n                   outcome1=c(7, 6, 6, 5, 4, 4),\n                   outcome2=c(4, 4, 5, 5, 3, 2))\n\n<span style=\"color: #008080;\">#stack the third and fourth columns<\/span>\n<span style=\"color: #3366ff;\">cbind<\/span> (data[1:2], <span style=\"color: #3366ff;\">stack<\/span> (data[3:4]))\n\n   person trial values ind\n1 A 1 7 outcome1\n2 A 2 6 outcome1\n3 B 1 6 outcome1\n4 B 2 5 outcome1\n5 C 1 4 outcome1\n6 C 2 4 outcome1\n7 A 1 4 outcome2\n8 A 2 4 outcome2\n9 B 1 5 outcome2\n10 B 2 5 outcome2\n11 C 1 3 outcome2\n12 C 2 2 outcome2\n<\/strong><\/pre>\n<h3><span style=\"color: #000000;\"><strong>\u65b9\u6cd52\uff1a\u4f7f\u7528Reshape2\u7684Melt\u51fd\u6570<\/strong><\/span><\/h3>\n<p><span style=\"color: #000000;\">\u4ee5\u4e0b\u4ee3\u7801\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528<strong>reshape2<\/strong>\u5e93\u4e2d\u7684<strong>Melt<\/strong>\u51fd\u6570\u5806\u53e0\u5217\uff1a<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#loadlibrary<\/span>\nlibrary(reshape2)\n\n<span style=\"color: #008080;\">#create original data frame\n<\/span>data &lt;- data.frame(person=c('A', 'A', 'B', 'B', 'C', 'C'),\n                   trial=c(1, 2, 1, 2, 1, 2),\n                   outcome1=c(7, 6, 6, 5, 4, 4),\n                   outcome2=c(4, 4, 5, 5, 3, 2))\n\n<span style=\"color: #008080;\">#melt columns of data frame<\/span>\nmelt(data, id. <span style=\"color: #3366ff;\">var<\/span> = c(' <span style=\"color: #008000;\">person<\/span> ', ' <span style=\"color: #008000;\">trial<\/span> '), variable. name = ' <span style=\"color: #008000;\">outcomes<\/span> ')\n\n   person trial outcomes value\n1 A 1 outcome1 7\n2 A 2 outcome1 6\n3 B 1 outcome1 6\n4 B 2 outcome1 5\n5 C 1 outcome1 4\n6 C 2 outcome1 4\n7 A 1 outcome2 4\n8 A 2 outcome2 4\n9 B 1 outcome2 5\n10 B 2 outcome2 5\n11 C 1 outcome2 3\n12 C 2 outcome2 2\n<\/strong><\/pre>\n<p><span style=\"color: #000000;\"><em>\u60a8\u53ef\u4ee5<a href=\"https:\/\/www.rdocumentation.org\/packages\/reshape2\/versions\/1.4.4\/topics\/melt\" target=\"_blank\" rel=\"noopener noreferrer\">\u5728\u6b64\u5904<\/a>\u627e\u5230\u5408\u5e76\u529f\u80fd\u7684\u5b8c\u6574\u6587\u6863\u3002<\/em><\/span><\/p>\n<h3><span style=\"color: #000000;\"><strong>\u5176\u4ed6\u8d44\u6e90<\/strong><\/span><\/h3>\n<p> <a href=\"https:\/\/statorials.org\/cn\/\u5728r\u4e2d\u5207\u6362\u4e24\u5217\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u5982\u4f55\u66f4\u6539 R \u4e2d\u7684\u4e24\u5217<\/a><br \/><a href=\"https:\/\/statorials.org\/cn\/\u7edf\u8ba1\u5b66\u4ee5\u7b80\u5355\u76f4\u63a5\u7684\u65b9\u5f0f\u89e3\u91ca\u6982\u5ff5\uff0c\u6211\u4eec\u4f7f\u5b66\u4e60\u7edf\u8ba1\u53d8\u5f97\u66f4\u5bb9\u6613\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u5982\u4f55\u5728 R \u4e2d\u91cd\u547d\u540d\u5217<\/a><br \/><a href=\"https:\/\/statorials.org\/cn\/\u5728-r-\u4e2d\u6dfb\u52a0\u7279\u5b9a\u5217\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u5982\u4f55\u5bf9 R \u4e2d\u7684\u7279\u5b9a\u5217\u6c42\u548c<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u901a\u5e38\uff0c\u60a8\u53ef\u80fd\u5e0c\u671b\u5c06\u4e24\u4e2a\u6216\u591a\u4e2a\u6570\u636e\u6846\u5217\u5806\u53e0\u5230 R \u4e2d\u7684\u5355\u4e2a\u5217\u4e2d\u3002 \u4f8b\u5982\uff0c\u60a8\u53ef\u80fd\u60f3\u4ece\u8fd9\u91cc\u5f00\u59cb\uff1a person tr [&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-1084","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\u5728 R \u4e2d\u5806\u53e0\u6570\u636e\u6846\u5217 - Statorials<\/title>\n<meta name=\"description\" content=\"\u7b80\u5355\u8bf4\u660e\u5982\u4f55\u5728 R \u4e2d\u5806\u53e0\u6570\u636e\u6846\u5217\uff0c\u5305\u62ec\u51e0\u4e2a\u793a\u4f8b\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\/cn\/r-\u4e2d\u7684\u5806\u6808\u5217\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta 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