{"id":199,"date":"2023-08-16T16:32:44","date_gmt":"2023-07-28T02:53:05","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/index.php\/2023\/11\/30\/%e5%a6%82%e4%bd%95%e5%9c%a8r%e4%b8%ad%e4%bd%bf%e7%94%a8sink%ef%bc%88%ef%bc%89%e5%87%bd%e6%95%b0\/"},"modified":"2025-08-01T02:15:53","modified_gmt":"2025-07-31T18:15:53","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8r%e4%b8%ad%e4%bd%bf%e7%94%a8sink%ef%bc%88%ef%bc%89%e5%87%bd%e6%95%b0","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%a6%82%e4%bd%95%e5%9c%a8r%e4%b8%ad%e4%bd%bf%e7%94%a8sink%ef%bc%88%ef%bc%89%e5%87%bd%e6%95%b0\/","title":{"rendered":"R\u8bed\u8a00sink()\u51fd\u6570\u8be6\u89e3\uff1a\u6570\u636e\u91cd\u5b9a\u5411\u4e0e\u65e5\u5fd7\u7ba1\u7406\u7ec8\u6781\u6307\u5357"},"content":{"rendered":"<p>\u8fd9\u662f\u6587\u7ae0\u300a\u5982\u4f55\u5728R\u4e2d\u4f7f\u7528sink()\u51fd\u6570\u300b\u7684\u7b2c1\u90e8\u5206\uff08\u51711\u90e8\u5206\uff09\u3002<\/p>\n<p><strong>\u5185\u5bb9\u7247\u6bb5:<\/strong> \u60a8\u53ef\u4ee5\u5728R\u4e2d\u4f7f\u7528<code>sink()<\/code>\u51fd\u6570\u5c06\u6570\u636e\u53d1\u9001\u5230\u5916\u90e8\u8fde\u63a5\u3002<\/p>\n<p>\u5927\u5bb6\u597d\uff0c\u4eca\u5929\u6211\u4eec\u5c06\u6df1\u5165\u63a2\u8ba8R\u4e2d<code>sink()<\/code>\u51fd\u6570\u7684\u5e94\u7528\u3002\u6211\u4eec\u5c06\u5c1d\u8bd5\u5efa\u7acb\u591a\u79cd\u683c\u5f0f\u7684\u8fde\u63a5\uff0c\u4f8b\u5982\u6587\u672c\u6587\u4ef6\u548cCSV\u6587\u4ef6\u3002<\/p>\n<p>\u4f7f\u7528<code>sink()<\/code>\u51fd\u6570\uff0c\u60a8\u53ef\u4ee5\u5c06\u6570\u636e\u6216R\u7684\u8f93\u51fa\u5bfc\u51fa\u5230\u6587\u672c\u6216CSV\u6587\u4ef6\u3002<\/p>\n<p>\u8ba9\u6211\u4eec\u770b\u770b\u5b83\u662f\u5982\u4f55\u5de5\u4f5c\u7684\uff01<\/p>\n<hr \/>\n<h2>R\u4e2d<code>sink()<\/code>\u51fd\u6570\u7684\u8bed\u6cd5<\/h2>\n<p><code>sink()<\/code>\u51fd\u6570\u7528\u4e8e\u5c06R\u4e2d\u83b7\u5f97\u7684\u8f93\u51fa\u5bfc\u5411\u5230\u5916\u90e8\u8fde\u63a5\u3002<\/p>\n<pre class=\"post-pre\"><code>sink(file = NULL, type = c(\"output\", \"message\"), split = FALSE)<\/code><\/pre>\n<p>\u5176\u4e2d\uff1a<\/p>\n<ul class=\"post-ul\">\n<li><code>file<\/code> = \u53ef\u7f16\u8f91\u7684\u8fde\u63a5\u6216\u6587\u4ef6\u7c7b\u578b\u3002<\/li>\n<li><code>append<\/code> = \u7528\u4e8e\u5c06\u6570\u636e\u8ffd\u52a0\u5230\u6587\u4ef6\u4ee5\u907f\u514d\u8986\u76d6\u7684\u903b\u8f91\u51fd\u6570\u3002<\/li>\n<li><code>split<\/code> = \u8f93\u51fa\u5c06\u88ab\u5206\u6d41\u5230\u65b0\u7684\u8fde\u63a5\u6216\u94fe\u63a5\u3002<\/li>\n<\/ul>\n<hr \/>\n<h3>1. \u5efa\u7acb\u5de5\u4f5c\u76ee\u5f55<\/h3>\n<p>\u501f\u52a9<code>sink()<\/code>\u51fd\u6570\uff0c\u60a8\u53ef\u4ee5\u8f7b\u677e\u5730\u5c06\u8f93\u51fa\u4f5c\u4e3a\u8fde\u63a5\u6253\u5370\u5230\u6587\u672c\u6587\u4ef6\u4e2d\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u5de5\u4f5c\u76ee\u5f55\u6765\u5f00\u59cb\u8fd9\u4e2a\u8fc7\u7a0b\u3002<\/p>\n<p>\u68c0\u67e5\u5f53\u524d\u7684\u5de5\u4f5c\u76ee\u5f55\u3002<\/p>\n<pre class=\"post-pre\"><code># \u8fd4\u56de\u5f53\u524d\u5de5\u4f5c\u76ee\u5f55\r\ngetwd()<\/code><\/pre>\n<pre class=\"post-pre\"><code>\"C:\/Users\/Dell\/Desktop\/rfiles\"<\/code><\/pre>\n<p>\u597d\u7684\u3002\u6211\u4eec\u73b0\u5728\u5df2\u7ecf\u83b7\u53d6\u5230\u4e86\u5de5\u4f5c\u76ee\u5f55\u3002\u60a8\u4e5f\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\u6765\u66f4\u6539\u5de5\u4f5c\u76ee\u5f55\uff1a<\/p>\n<pre class=\"post-pre\"><code># \u8bbe\u7f6e\u65b0\u7684\u5de5\u4f5c\u76ee\u5f55\r\nsetwd(\"The directory path here\")<\/code><\/pre>\n<p>\u5c06\u8def\u5f84\u7c98\u8d34\u5230<code>setwd()<\/code>\u51fd\u6570\u4e2d\u4ee5\u8bbe\u7f6e\u65b0\u7684\u5de5\u4f5c\u76ee\u5f55\u3002\u4e4b\u540e\u4e0d\u8981\u5fd8\u8bb0\u4f7f\u7528\u4e0a\u9762\u6240\u793a\u7684<code>getwd()<\/code>\u547d\u4ee4\u6765\u786e\u8ba4\u66f4\u6539\u3002<\/p>\n<hr \/>\n<h3>2. \u5c06\u6570\u636e\u6253\u5370\u5230\u6587\u672c\u6587\u4ef6\u4e2d<\/h3>\n<p>\u5e0c\u671b\u60a8\u5df2\u7ecf\u51c6\u5907\u597d\u4e86\u60a8\u7684\u5de5\u4f5c\u8def\u5f84\u3002\u73b0\u5728\u6211\u4eec\u8981\u5efa\u7acb\u4e00\u4e2a\u6587\u4ef6\u8fde\u63a5\uff0c\u5e76\u5c06\u4e00\u4e9b\u6570\u636e\u6253\u5370\u5230\u6587\u4ef6\u4e2d\u3002<\/p>\n<p>\u8ba9\u6211\u4eec\u770b\u770b\u5b83\u662f\u5982\u4f55\u8fd0\u4f5c\u7684\u3002<\/p>\n<pre class=\"post-pre\"><code># \u5c06\u6570\u636e\u8f93\u51fa\u5230\u6587\u672c\u6587\u4ef6\u8fde\u63a5\u4e2d\r\nsink(\"my_first_sink.txt\")\r\n\r\n# \u6253\u5370\u4ece1\u523020\u7684\u6570\u5b57\r\nfor (i in 1:20)\r\nprint(i)\r\nsink()<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65647612a4b2f92e6c72a524\/24-0.png\" alt=\"R\u4e2d\u7684Sink\u51fd\u6570\" \/><\/div>\n<p>\u73b0\u5728\u60a8\u53ef\u4ee5\u770b\u5230\u6211\u4eec\u7684R\u6570\u636e\u88ab\u6574\u6d01\u5730\u6253\u5370\u5230\u6587\u672c\u6587\u4ef6\u4e2d\u4e86\u3002\u771f\u68d2\uff0c\u662f\u5427\uff1f<\/p>\n<hr \/>\n<h3>\u5c06\u6570\u636e\u5bfc\u51fa\u4e3a\u6587\u672c\u6587\u4ef6<\/h3>\n<p>\u5728\u4e4b\u524d\u7684\u90e8\u5206\uff0c\u6211\u4eec\u5df2\u7ecf\u5c06\u6570\u636e\u6216\u8f93\u51fa\u6253\u5370\u5230\u6587\u672c\u6587\u4ef6\u4e2d\u3002\u5728\u672c\u90e8\u5206\u4e2d\uff0c\u6211\u4eec\u5c06\u5bfc\u51faR\u9ed8\u8ba4\u53ef\u7528\u7684\u6574\u4e2a\u6570\u636e\u96c6\u3002<\/p>\n<p>\u8ba9\u6211\u4eec\u770b\u770b\u5b83\u662f\u5982\u4f55\u5de5\u4f5c\u7684\u3002<\/p>\n<pre class=\"post-pre\"><code># \u5c06\u6570\u636e\u5bfc\u51fa\u4e3a\u6587\u672c\u6587\u4ef6\r\nsink('export_dataframe.txt')\r\nairquality\r\nsink()<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65647612a4b2f92e6c72a524\/31-0.png\" alt=\"R\u4e2d\u7684Sink\u51fd\u6570\" \/><\/div>\n<p>\u60a8\u53ef\u4ee5\u770b\u5230\uff0c<code>airquality<\/code>\u6570\u636e\u96c6\u7684\u6570\u636e\u88ab\u5bfc\u5411\u5230\u6587\u672c\u6587\u4ef6\u4f5c\u4e3a\u5916\u90e8\u8fde\u63a5\u3002<\/p>\n<p>\u4ee5\u4e0a\u662f\u5982\u4f55\u8f7b\u677e\u5c06\u6570\u636e\u5728R\u4e2d\u5bfc\u5165\u5230\u8fde\u63a5\u4e2d\u7684\u65b9\u6cd5\u3002\u60a8\u4e5f\u53ef\u4ee5\u6309\u7167\u4e0b\u9762\u7684\u793a\u4f8b\u5c06\u5176\u5bfc\u51fa\u4e3aCSV\u6587\u4ef6\u3002<\/p>\n<hr \/>\n<h3>4. \u5c06\u6570\u636e\u6846\u5bfc\u51fa\u5230CSV\u6587\u4ef6\u4e2d<\/h3>\n<p>\u5728\u8fd9\u4e00\u8282\u4e2d\uff0c\u6211\u4eec\u5c06\u4f7f\u7528R\u4e2d\u7684<code>sink()<\/code>\u51fd\u6570\u5c06\u6570\u636e\u5bfc\u51fa\u5230CSV\u6587\u4ef6\u3002<\/p>\n<p>\u8ba9\u6211\u4eec\u6765\u770b\u770b\u5b83\u662f\u5982\u4f55\u5de5\u4f5c\u7684\u3002<\/p>\n<pre class=\"post-pre\"><code># \u5c06\u6570\u636e\u5bfc\u51fa\u4e3aCSV\u6587\u4ef6\r\nsink('export_dataframe_1.csv')\r\niris\r\nsink()<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65647612a4b2f92e6c72a524\/39-0.png\" alt=\"Sink\u5230CSV\" \/><\/div>\n<p>\u8fd9\u662f\u4e00\u4e2aCSV\u6587\u4ef6\uff0c\u5176\u4e2d\u5305\u542b\u4eceR\u63a7\u5236\u53f0\u5bfc\u51fa\u7684\u6570\u636e\u3002R\u4e2d\u7684<code>sink()<\/code>\u51fd\u6570\u63d0\u4f9b\u4e86\u5c06\u6570\u636e\u5bfc\u5411\u5230\u5916\u90e8\u8fde\u63a5\uff08\u5982\u6587\u4ef6\uff09\u7684\u6700\u7b80\u5355\u65b9\u6cd5\u3002<\/p>\n<hr \/>\n<h2>\u5c06\u6570\u636e\u6458\u8981\u5bfc\u51fa\u5230\u8fde\u63a5\u4e2d<\/h2>\n<p>\u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u4e00\u5207\u90fd\u5f88\u597d\u3002\u73b0\u5728\uff0c\u8ba9\u6211\u4eec\u5c1d\u8bd5\u5c06\u524d\u9762\u6240\u5b66\u6216\u7406\u89e3\u7684\u5185\u5bb9\u7efc\u5408\u8fd0\u7528\u3002<\/p>\n<p>\u95ee\u9898\u9648\u8ff0\u5f88\u7b80\u5355\u3002<\/p>\n<p>\u8bfb\u53d6\u4e00\u4e2a\u60a8\u9009\u62e9\u7684\u6570\u636e\u96c6\uff0c\u5e76\u4f7f\u7528<code>summary()<\/code>\u51fd\u6570\u5bf9\u6570\u636e\u8fdb\u884c\u603b\u7ed3\u3002\u5728\u8fd9\u6837\u505a\u4e4b\u540e\uff0c\u5c06\u7ed3\u679c\u8fde\u63a5\u5230\u6587\u672c\u6587\u4ef6\u4e2d\u3002<\/p>\n<p>\u8ba9\u6211\u4eec\u5f00\u59cb\u5427\uff01<\/p>\n<hr \/>\n<h3>\u6211\u4eec\u6765\u8bfb\u53d6\u6570\u636e\u5427<\/h3>\n<pre class=\"post-pre\"><code># \u8bfb\u53d6\u6570\u636e\r\ndf <- datasets::airquality\r\ndf\r\nView(df)<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65647612a4b2f92e6c72a524\/50-0.png\" alt=\"Sink 1\" \/><\/div>\n<p>\u95ee\u9898\u9648\u8ff0\u7684\u7b2c\u4e00\u6b65\u5728\u8fd9\u91cc\u3002\u60a8\u53ef\u4ee5\u5728\u4e0a\u9762\u7684\u56fe\u50cf\u4e2d\u770b\u5230<code>airquality<\/code>\u6570\u636e\u96c6\u3002<\/p>\n<hr \/>\n<h3>2. \u6570\u636e\u7684<code>summary()<\/code><\/h3>\n<p>\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528<code>summary()<\/code>\u51fd\u6570\u67e5\u770b\u6570\u636e\u7684\u6458\u8981\u5982\u4e0b\u3002<\/p>\n<pre class=\"post-pre\"><code># \u8fd4\u56de\u6570\u636e\u7684\u5173\u952e\u6d1e\u5bdf\r\nsummary(airquality)<\/code><\/pre>\n<pre class=\"post-pre\"><code>  Ozone           Solar.R           Wind             Temp           Month      \r\n Min.   :  1.00   Min.   :  7.0   Min.   : 1.700   Min.   :56.00   Min.   :5.000  \r\n 1st Qu.: 18.00   1st Qu.:115.8   1st Qu.: 7.400   1st Qu.:72.00   1st Qu.:6.000  \r\n Median : 31.50   Median :205.0   Median : 9.700   Median :79.00   Median :7.000  \r\n Mean   : 42.13   Mean   :185.9   Mean   : 9.958   Mean   :77.88   Mean   :6.993  \r\n 3rd Qu.: 63.25   3rd Qu.:258.8   3rd Qu.:11.500   3rd Qu.:85.00   3rd Qu.:8.000  \r\n Max.   :168.00   Max.   :334.0   Max.   :20.700   Max.   :97.00   Max.   :9.000  \r\n NA's   :37       NA's   :7                                                       \r\n      Day      \r\n Min.   : 1.0  \r\n 1st Qu.: 8.0  \r\n Median :16.0  \r\n Mean   :15.8  \r\n 3rd Qu.:23.0  \r\n Max.   :31.0  <\/code><\/pre>\n<p>\u8fd9\u662f\u6570\u636e\u7684\u6982\u8981\uff0c\u5c55\u793a\u4e86\u6700\u5c0f\u503c\u548c\u6700\u5927\u503c\u3001\u56db\u5206\u4f4d\u6570\u3001\u4e2d\u4f4d\u6570\u3001\u5e73\u5747\u503c\u4ee5\u53ca\u66f4\u591a\u7684\u6d1e\u5bdf\u3002<\/p>\n<h3>3. \u5c06\u8f93\u51fa\u5bfc\u5411\u5230\u8fde\u63a5<\/h3>\n<p>\u73b0\u5728\uff0c\u60a8\u53ea\u9700\u8981\u5c06\u5b83\u5bfc\u51fa\u4e3a\u6587\u672c\u6587\u4ef6\uff0c\u5e76\u5c06\u5176\u4f5c\u4e3a\u4e00\u4e2a\u5916\u90e8\u94fe\u63a5\u3002<\/p>\n<pre class=\"post-pre\"><code># \u5c06\u8f93\u51fa\u6570\u636e\u5bfc\u5411\u5230txt\u6587\u4ef6\r\nsink('problem-solution.txt')\r\nsummary(airquality)\r\nsink()<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65647612a4b2f92e6c72a524\/61-0.png\" alt=\"Sink 3\" \/><\/div>\n<hr \/>\n<h3>4. \u65ad\u5f00\u8fde\u63a5<\/h3>\n<p>\u60a8\u5df2\u7ecf\u5b8c\u5168\u6b63\u786e\u5730\u5b8c\u6210\u4e86\u6240\u6709\u6b65\u9aa4\uff0c\u5e76\u6210\u529f\u5c06\u6570\u636e\u5bfc\u5411\u5230\u4e86\u4e00\u4e2a\u5916\u90e8\u8fde\u63a5\u7684\u6587\u672c\u6587\u4ef6\u4e2d\u3002<\/p>\n<p>\u73b0\u5728\u662f\u65ad\u5f00\u8fde\u63a5\u7684\u65f6\u5019\u4e86\u3002<\/p>\n<pre class=\"post-pre\"><code># \u7ec8\u6b62\u8fde\u63a5\r\nunlink('problem-solution.txt')<\/code><\/pre>\n<p>\u4e0a\u8ff0\u547d\u4ee4\u5c06\u5220\u9664\u6587\u4ef6\u8fde\u63a5\u3002<\/p>\n<p>\u603b\u7ed3\u6240\u6709\u7684\u6b65\u9aa4\uff1a<\/p>\n<ul class=\"post-ul\">\n<li>\u5728R\u63a7\u5236\u53f0\u4e2d\u8bfb\u53d6\u6570\u636e\u3002<\/li>\n<li>\u5bf9\u6570\u636e\u5e94\u7528<code>summary()<\/code>\u51fd\u6570\u3002<\/li>\n<li>\u83b7\u53d6\u6570\u636e\u7684\u5173\u952e\u6d1e\u5bdf\u3002<\/li>\n<li>\u4f7f\u7528R\u4e2d\u7684<code>sink()<\/code>\u51fd\u6570\u5c06\u7ed3\u679c\u5bfc\u5411\u5230\u6587\u672c\u6587\u4ef6\u3002<\/li>\n<\/ul>\n<hr \/>\n<h2>\u603b\u7ed3<\/h2>\n<p>R\u4e2d\u7684<code>sink()<\/code>\u51fd\u6570\u5c06R\u7684\u8f93\u51fa\u5bfc\u5411\u5230\u5916\u90e8\u8fde\u63a5\uff0c\u60a8\u53ef\u4ee5\u5c06\u6570\u636e\u4ee5\u591a\u79cd\u5f62\u5f0f\u5bfc\u51fa\uff0c\u4f8b\u5982\u6587\u672c\u548cCSV\u6587\u4ef6\u3002\u60a8\u53ef\u4ee5\u5c06\u6570\u636e\u6253\u5370\u5230\u8fde\u63a5\u4e2d\uff0c\u4e5f\u53ef\u4ee5\u76f4\u63a5\u5c06\u5168\u90e8\u6570\u636e\u5bfc\u51fa\u5230\u8fde\u63a5\u4e2d\u3002<\/p>\n<p>\u5728\u6570\u636e\u4f20\u8f93\u5b8c\u6210\u540e\uff0c\u60a8\u53ef\u4ee5\u53d6\u6d88\u8fde\u63a5\u6765\u7ec8\u6b62\u8be5\u6587\u4ef6\u3002<\/p>\n<p>R\u4e2d\u7684<code>sink()<\/code>\u51fd\u6570\u5728\u591a\u79cd\u65b9\u5f0f\u4e0b\u90fd\u975e\u5e38\u6709\u7528\uff0c\u56e0\u4e3a\u5b83\u63d0\u4f9b\u4e86\u4e34\u65f6\u8fde\u63a5\u6765\u5904\u7406\u6570\u636e\u3002<\/p>\n<p><strong>\u66f4\u591a\u9605\u8bfb\uff1a<\/strong><a href=\"https:\/\/www.rdocumentation.org\/packages\/base\/versions\/3.6.2\/topics\/sink\" target=\"_blank\" rel=\"noopener\">R\u6587\u6863<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8fd9\u662f\u6587\u7ae0\u300a\u5982\u4f55\u5728R\u4e2d\u4f7f\u7528sink()\u51fd\u6570\u300b\u7684\u7b2c1\u90e8\u5206\uff08\u51711\u90e8\u5206\uff09\u3002 \u5185\u5bb9\u7247\u6bb5: \u60a8\u53ef\u4ee5\u5728R\u4e2d\u4f7f\u7528sink()\u51fd [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[792,586,789,790,791],"class_list":{"0":"post-199","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-uncategorized","7":"tag-r","9":"tag-sink","10":"tag-790","11":"tag-791"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ 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