{"id":4187,"date":"2023-07-13T00:31:45","date_gmt":"2023-07-13T00:31:45","guid":{"rendered":"https:\/\/statorials.org\/cn\/r-%e6%9e%a2%e8%bd%b4_%e5%bb%b6%e9%95%bf%e6%89%80%e6%9c%89%e5%88%97\/"},"modified":"2023-07-13T00:31:45","modified_gmt":"2023-07-13T00:31:45","slug":"r-%e6%9e%a2%e8%bd%b4_%e5%bb%b6%e9%95%bf%e6%89%80%e6%9c%89%e5%88%97","status":"publish","type":"post","link":"https:\/\/statorials.org\/cn\/r-%e6%9e%a2%e8%bd%b4_%e5%bb%b6%e9%95%bf%e6%89%80%e6%9c%89%e5%88%97\/","title":{"rendered":"A\uff1a\u5982\u4f55\u5728\u6240\u6709\u5217\u4e0a\u4f7f\u7528pivot_longer()"},"content":{"rendered":"

<\/p>\n

\n

R \u4e2dTidyr<\/a>\u5305\u7684ivot_longer()<\/strong>\u51fd\u6570\u53ef\u7528\u4e8e\u5c06\u6570\u636e\u5757\u4ece\u5bbd\u683c\u5f0f\u65cb\u8f6c\u4e3a\u957f\u683c\u5f0f\u3002<\/span><\/p>\n

\u5982\u679c\u8981\u4f7f\u7528\u6b64\u51fd\u6570\u4ee5\u957f\u683c\u5f0f\u65cb\u8f6c\u6570\u636e\u6846\u4e2d\u7684\u6240\u6709\u5217\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/span><\/p>\n

 library<\/span> (tidyr)\n\ndf_long <- pivot_longer(df, cols = everything())\n<\/b><\/span><\/pre>\n
\u8bf7\u6ce8\u610f\uff0c cols<\/strong>\u53c2\u6570\u6307\u5b9a\u8981\u65cb\u8f6c\u54ea\u4e9b\u5217\uff0c\u800ceverything()<\/strong>\u6307\u5b9a\u6211\u4eec\u8981\u65cb\u8f6c\u6bcf\u4e00\u5217\u3002<\/span><\/p>\n
\u4e0b\u9762\u7684\u4f8b\u5b50\u5c55\u793a\u4e86\u5982\u4f55\u5728\u5b9e\u9645\u4e2d\u4f7f\u7528\u8fd9\u4e2a\u529f\u80fd\u3002<\/span><\/p>\n
\u76f8\u5173\uff1a<\/strong>\u957f\u6570\u636e\u6216\u5bbd\u6570\u636e\uff1a\u6709\u4ec0\u4e48\u533a\u522b\uff1f<\/a><\/span><\/p>\n
\u793a\u4f8b\uff1a\u5728 R \u4e2d\u7684\u6240\u6709\u5217\u4e0a\u4f7f\u7528ivot_longer()<\/span><\/strong><\/h2>\n
\u5047\u8bbe\u6211\u4eec\u5728 R \u4e2d\u6709\u4ee5\u4e0b\u6570\u636e\u6846\uff0c\u663e\u793a\u4e0d\u540c\u7bee\u7403\u8fd0\u52a8\u5458\u5728\u4e09\u573a\u4e0d\u540c\u6bd4\u8d5b\u4e2d\u7684\u5f97\u5206\uff1a<\/span><\/p>\n
 #create data frame<\/span>\ndf <- data. frame<\/span> (game1=c(20, 30, 33, 19, 22, 24),\n                 game2=c(12, 15, 19, 19, 20, 14),\n                 game3=c(22, 29, 18, 12, 10, 11))\n\n#view data frame\n<\/span>df\n\n  game1 game2 game3\n1 20 12 22\n2 30 15 29\n3 33 19 18\n4 19 19 12\n5 22 20 10\n6 24 14 11<\/strong><\/span><\/pre>\n
\u6570\u636e\u5e27\u76ee\u524d\u91c7\u7528\u5bbd\u683c\u5f0f\u3002<\/span><\/p>\n
\u4f46\u662f\uff0c\u5047\u8bbe\u6211\u4eec\u5e0c\u671b\u901a\u8fc7\u65cb\u8f6c\u6240\u6709\u4e09\u5217\u6765\u5c06\u6570\u636e\u6846\u65cb\u8f6c\u4e3a\u957f\u683c\u5f0f\u3002<\/span><\/p>\n
\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\u6765\u505a\u5230\u8fd9\u4e00\u70b9\uff1a<\/span><\/p>\n
 library<\/span> (tidyr)\n\n#pivot all columns into long data frame\n<\/span>df_long <- pivot_longer(df, cols = everything())\n\n#view long data frame\n<\/span>df_long\n\n# A tibble: 18 x 2\n   name value\n    \n 1 game1 20\n 2 game2 12\n 3 game3 22\n 4 game1 30\n 5 game2 15\n 6 game3 29\n 7 game1 33\n 8 game2 19\n 9 game3 18\n10 game1 19\n11 game2 19\n12 game3 12\n13 game1 22\n14 game2 20\n15 game3 10\n16 game1 24\n17 game2 14\n18 game3 11<\/strong><\/span><\/pre>\n
\u8bf7\u6ce8\u610f\uff0c\u5217\u540d\u79f0game1<\/b> \u3001 game2<\/strong>\u548cgame3<\/b>\u73b0\u5728\u7528\u4f5c\u540d\u4e3a\u201cname\u201d\u7684\u65b0\u5217\u4e2d\u7684\u503c\uff0c\u5e76\u4e14\u8fd9\u4e9b\u539f\u59cb\u5217\u4e2d\u7684\u503c\u653e\u7f6e\u5728\u540d\u4e3a\u201cvalue\u201d\u7684\u65b0\u5217\u4e2d\u3002<\/span><\/p>\n
\u6700\u7ec8\u7ed3\u679c\u662f\u4e00\u4e2a\u957f\u6570\u636e\u5e27\u3002<\/span><\/p>\n
\u5176\u4ed6\u8d44\u6e90<\/strong><\/span><\/h2>\n
\u4ee5\u4e0b\u6559\u7a0b\u89e3\u91ca\u4e86\u5982\u4f55\u5728 R \u4e2d\u4f7f\u7528 Tidyr \u5305\u4e2d\u7684\u5176\u4ed6\u5e38\u7528\u51fd\u6570\uff1a<\/span><\/p>\n
\u5982\u4f55\u5728R\u4e2d\u4f7f\u7528pivot_wider()<\/a>
\u5982\u4f55\u4f7f\u7528R\u4e2d\u7684Spread\u51fd\u6570<\/a>
\u5982\u4f55\u4f7f\u7528R\u4e2d\u7684collect\u51fd\u6570<\/a>
\u5982\u4f55\u5728 R \u4e2d\u4f7f\u7528\u5355\u72ec\u7684\u51fd\u6570<\/a>
\u5982\u4f55\u4f7f\u7528R\u4e2d\u7684Unite\u51fd\u6570<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
R \u4e2dTidyr\u5305\u7684ivot_longer()\u51fd\u6570\u53ef\u7528\u4e8e\u5c06\u6570\u636e\u5757\u4ece\u5bbd\u683c\u5f0f\u65cb\u8f6c\u4e3a\u957f\u683c\u5f0f\u3002 \u5982\u679c\u8981\u4f7f\u7528\u6b64\u51fd\u6570\u4ee5\u957f\u683c […]<\/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-4187","post","type-post","status-publish","format-standard","hentry","category-11"],"yoast_head":"\nA\uff1a\u5982\u4f55\u5728\u6240\u6709\u5217\u4e0a\u4f7f\u7528pivot_longer() \u2013 Statorials<\/title>\n<meta name=\"description\" content=\"\u672c\u6559\u7a0b\u4ecb\u7ecd\u5982\u4f55\u5728 R \u4e2d\u7684\u6570\u636e\u6846\u7684\u6240\u6709\u5217\u4e0a\u4f7f\u7528ivot_longer() \u51fd\u6570\uff0c\u5305\u62ec\u4e00\u4e2a\u793a\u4f8b\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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