{"id":3001,"date":"2023-07-19T17:08:03","date_gmt":"2023-07-19T17:08:03","guid":{"rendered":"https:\/\/statorials.org\/cn\/r-%e7%8c%ab-%e5%87%bd%e6%95%b0\/"},"modified":"2023-07-19T17:08:03","modified_gmt":"2023-07-19T17:08:03","slug":"r-%e7%8c%ab-%e5%87%bd%e6%95%b0","status":"publish","type":"post","link":"https:\/\/statorials.org\/cn\/r-%e7%8c%ab-%e5%87%bd%e6%95%b0\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528 r \u4e2d\u7684 cat() \u51fd\u6570\u8fde\u63a5\u5bf9\u8c61"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">R \u4e2d\u7684<strong>cat()<\/strong>\u51fd\u6570\u53ef\u7528\u4e8e\u8fde\u63a5 R \u4e2d\u7684\u591a\u4e2a\u5bf9\u8c61\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\">\u8be5\u51fd\u6570\u4f7f\u7528\u4ee5\u4e0b\u57fa\u672c\u8bed\u6cd5\uff1a<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong>cat(..., file = \"\", sep = \" \", append = FALSE))<\/strong><\/span><\/pre>\n<p><span style=\"color: #000000;\">\u91d1\u5b50\uff1a<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>\u2026<\/strong> \uff1a\u8981\u8fde\u63a5\u7684\u5bf9\u8c61<\/span><\/li>\n<li><span style=\"color: #000000;\"><strong>file<\/strong> \uff1a\u8981\u5c06\u8f93\u51fa\u53d1\u9001\u5230\u7684\u6587\u4ef6\u7684\u540d\u79f0<\/span><\/li>\n<li><span style=\"color: #000000;\"><strong>sep<\/strong> \uff1a\u5bf9\u8c61\u4e4b\u95f4\u4f7f\u7528\u7684\u5206\u9694\u7b26<\/span><\/li>\n<li><span style=\"color: #000000;\"><strong>\u8ffd\u52a0<\/strong>\uff1a\u662f\u5426\u5c06\u8f93\u51fa\u6dfb\u52a0\u5230\u73b0\u6709\u6587\u4ef6\u6216\u521b\u5efa\u65b0\u6587\u4ef6<\/span><\/li>\n<\/ul>\n<p><span style=\"color: #000000;\">\u4ee5\u4e0b\u793a\u4f8b\u5c55\u793a\u4e86\u5982\u4f55\u4ee5\u4e0d\u540c\u65b9\u5f0f\u4f7f\u7528\u6b64\u529f\u80fd\u3002<\/span><\/p>\n<h3><strong><span style=\"color: #000000;\">\u793a\u4f8b 1\uff1a\u4f7f\u7528 cat() \u8fde\u63a5\u5bf9\u8c61<\/span><\/strong><\/h3>\n<p><span style=\"color: #000000;\"><span style=\"color: #000000;\">\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528<strong>cat()<\/strong>\u51fd\u6570\u5728 R \u4e2d\u8fde\u63a5\u4e09\u4e2a\u5b57\u7b26\u4e32\uff1a<\/span><\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #008080;\">#concatenate three strings\n<\/span>cat(\"hey\", \"there\", \"everyone\")\n\nhey there everyone\n<\/strong><\/span><\/pre>\n<p><span style=\"color: #000000;\">\u8fd9\u4e09\u4e2a\u5b57\u7b26\u4e32\u8fde\u63a5\u5728\u4e00\u8d77\uff0c\u6bcf\u4e2a\u5b57\u7b26\u4e32\u4e4b\u95f4\u7528\u7a7a\u683c\u5206\u9694\u3002<\/span><\/p>\n<h3><strong><span style=\"color: #000000;\">\u793a\u4f8b 2\uff1a\u4f7f\u7528 cat() \u4f7f\u7528\u81ea\u5b9a\u4e49\u5206\u9694\u7b26\u8fde\u63a5\u5bf9\u8c61<\/span><\/strong><\/h3>\n<p><span style=\"color: #000000;\">\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528<strong>cat()<\/strong>\u51fd\u6570\u5728 R \u4e2d\u8fde\u63a5\u4e09\u4e2a\u5b57\u7b26\u4e32\uff0c\u5e76\u4f7f\u7528\u8fde\u5b57\u7b26\u4f5c\u4e3a\u5206\u9694\u7b26\uff1a<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #008080;\">#concatenate three strings, using dash as separator\n<\/span>cat(\"hey\", \"there\", \"everyone\", sep=\" <span style=\"color: #ff0000;\">-<\/span> \")\n\nhey-there-everyone\n<\/strong><\/span><\/pre>\n<p><span style=\"color: #000000;\">\u6216\u8005\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u201c\\n\u201d\u4f5c\u4e3a\u5206\u9694\u7b26\uff0c\u8868\u793a\u6bcf\u4e2a\u5b57\u7b26\u4e32\u5e94\u8be5\u7528\u6362\u884c\u7b26\u5206\u9694\uff1a<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #008080;\">#concatenate three strings, using new line as separator\n<\/span>cat(\"hey\", \"there\", \"everyone\", sep=\" <span style=\"color: #ff0000;\">\\n<\/span> \")\n\nhey\nthere\neveryone<\/strong><\/span><\/pre>\n<h3><strong><span style=\"color: #000000;\">\u793a\u4f8b 3\uff1a\u4f7f\u7528 cat() \u8fde\u63a5\u5bf9\u8c61\u5e76\u5c06\u7ed3\u679c\u663e\u793a\u5728\u6587\u4ef6\u4e2d<\/span><\/strong><\/h3>\n<p><span style=\"color: #000000;\">\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528<strong>cat()<\/strong>\u51fd\u6570\u8fde\u63a5 R \u4e2d\u7684\u4e09\u4e2a\u5b57\u7b26\u4e32\u5e76\u5c06\u7ed3\u679c\u663e\u793a\u5728\u6587\u672c\u6587\u4ef6\u4e2d\uff1a<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #008080;\">#concatenate three strings and output results to txt file\n<\/span>cat(\"hey\", \"there\", \"everyone\", sep=\" <span style=\"color: #ff0000;\">\\n<\/span> \", file=\" <span style=\"color: #ff0000;\">my_data.txt<\/span> \")\n<\/strong><\/span><\/pre>\n<p><span style=\"color: #000000;\">\u7136\u540e\u6211\u53ef\u4ee5\u5bfc\u822a\u5230<a href=\"https:\/\/statorials.org\/cn\/r\u4e2d\u7684setwd-getwd\/\" target=\"_blank\" rel=\"noopener\">\u5f53\u524d\u7684\u5de5\u4f5c\u76ee\u5f55<\/a>\u5e76\u67e5\u770b\u6b64\u6587\u672c\u6587\u4ef6\u7684\u5185\u5bb9\uff1a<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-25886 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/chat11.jpg\" alt=\"\" width=\"386\" height=\"358\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p><span style=\"color: #000000;\">\u6211\u4eec\u8fd8\u53ef\u4ee5\u5728 CSV \u6587\u4ef6\u4e2d\u663e\u793a\u7ed3\u679c\uff1a<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #008080;\">#concatenate three strings and output results to CSV file\n<\/span>cat(\"hey\", \"there\", \"everyone\", sep=\" <span style=\"color: #ff0000;\">\\n<\/span> \", file=\" <span style=\"color: #ff0000;\">my_data.csv<\/span> \")\n<\/strong><\/span><\/pre>\n<p><span style=\"color: #000000;\">\u7136\u540e\u6211\u53ef\u4ee5\u5bfc\u822a\u5230<a href=\"https:\/\/statorials.org\/cn\/r\u4e2d\u7684setwd-getwd\/\" target=\"_blank\" rel=\"noopener\">\u5f53\u524d\u7684\u5de5\u4f5c\u76ee\u5f55<\/a>\u5e76\u67e5\u770b\u6b64\u6587\u672c\u6587\u4ef6\u7684\u5185\u5bb9\uff1a<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-25887 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/chat12.jpg\" alt=\"\" width=\"455\" height=\"423\" srcset=\"\" sizes=\"auto, \"><\/p>\n<h3><strong><span style=\"color: #000000;\">\u793a\u4f8b 4\uff1a\u4f7f\u7528 cat() \u8fde\u63a5\u5bf9\u8c61\u5e76\u5c06\u7ed3\u679c\u9644\u52a0\u5230\u6587\u4ef6<\/span><\/strong><\/h3>\n<p><span style=\"color: #000000;\">\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528<strong>cat()<\/strong>\u51fd\u6570\u8fde\u63a5 R \u4e2d\u7684\u4e09\u4e2a\u5b57\u7b26\u4e32\u5e76\u5c06\u7ed3\u679c\u9644\u52a0\u5230\u73b0\u6709\u7684 CSV \u6587\u4ef6\u4e2d\uff1a<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <span style=\"color: #000000;\"><strong><span style=\"color: #008080;\">#concatenate three strings and output results to CSV file\n<\/span>cat(\"hey\", \"there\", \"everyone\", sep=\" <span style=\"color: #ff0000;\">\\n<\/span> \", file=\" <span style=\"color: #ff0000;\">my_data.csv<\/span> \")\n\n<span style=\"color: #008080;\">#append results of this concatenation to first file<\/span>\ncat(\"how\", \"are\", \"you\", sep=\" <span style=\"color: #ff0000;\">\\n<\/span> \", file=\" <span style=\"color: #ff0000;\">my_data.csv<\/span> \", append= <span style=\"color: #008000;\">TRUE<\/span> )\n<\/strong><\/span><\/pre>\n<p><span style=\"color: #000000;\">\u7136\u540e\u6211\u53ef\u4ee5\u5bfc\u822a\u5230<a href=\"https:\/\/statorials.org\/cn\/r\u4e2d\u7684setwd-getwd\/\" target=\"_blank\" rel=\"noopener\">\u5f53\u524d\u5de5\u4f5c\u76ee\u5f55<\/a>\u5e76\u67e5\u770b\u6b64 CSV \u6587\u4ef6\u7684\u5185\u5bb9\uff1a<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-25888 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/chat13.jpg\" alt=\"\" width=\"449\" height=\"440\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p><span style=\"color: #000000;\">\u8bf7\u6ce8\u610f\uff0c\u7b2c\u4e8c\u4e2a<strong>cat()<\/strong>\u51fd\u6570\u7684\u7ed3\u679c\u5df2\u6dfb\u52a0\u5230\u7b2c\u4e00\u4e2a<strong>cat()<\/strong>\u51fd\u6570\u521b\u5efa\u7684\u6587\u4ef6\u4e2d\u3002<\/span><\/p>\n<h3><span style=\"color: #000000;\"><strong>\u5176\u4ed6\u8d44\u6e90<\/strong><\/span><\/h3>\n<p><span style=\"color: #000000;\">\u4ee5\u4e0b\u6559\u7a0b\u89e3\u91ca\u4e86\u5982\u4f55\u4f7f\u7528 R \u4e2d\u7684\u5176\u4ed6\u5e38\u7528\u51fd\u6570\uff1a<\/span><\/p>\n<p><a href=\"https:\/\/statorials.org\/cn\/sprintf-r-\u51fd\u6570\/\" target=\"_blank\" rel=\"noopener\">\u5982\u4f55\u4f7f\u7528R\u4e2d\u7684sprintf\u51fd\u6570\u6253\u5370\u683c\u5f0f\u5316\u5b57\u7b26\u4e32<\/a><br \/><a href=\"https:\/\/statorials.org\/cn\/r\u4e2d\u7684strsplit\u51fd\u6570\/\" target=\"_blank\" rel=\"noopener\">\u5982\u4f55\u4f7f\u7528R\u4e2d\u7684strsplit()\u51fd\u6570\u5206\u5272\u5b57\u7b26\u4e32\u5143\u7d20<\/a><br \/><a href=\"https:\/\/statorials.org\/cn\/r\u4e2d\u7684\u5b50\u5b57\u7b26\u4e32\u51fd\u6570\/\" target=\"_blank\" rel=\"noopener\">\u5982\u4f55\u4f7f\u7528R\u4e2d\u7684substring()\u51fd\u6570\u63d0\u53d6\u5b50\u5b57\u7b26\u4e32<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>R \u4e2d\u7684cat()\u51fd\u6570\u53ef\u7528\u4e8e\u8fde\u63a5 R \u4e2d\u7684\u591a\u4e2a\u5bf9\u8c61\u3002 \u8be5\u51fd\u6570\u4f7f\u7528\u4ee5\u4e0b\u57fa\u672c\u8bed\u6cd5\uff1a cat(&#8230;, file = [&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-3001","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\u4f7f\u7528 R \u4e2d\u7684 cat() \u51fd\u6570\u8fde\u63a5\u5bf9\u8c61 - Statorials<\/title>\n<meta name=\"description\" content=\"\u672c\u6559\u7a0b\u901a\u8fc7\u51e0\u4e2a\u793a\u4f8b\u89e3\u91ca\u4e86\u5982\u4f55\u4f7f\u7528 R \u4e2d\u7684 cat() \u51fd\u6570\u6765\u8fde\u63a5\u5bf9\u8c61\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-\u732b-\u51fd\u6570\/\" \/>\n<meta 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