{"id":180710,"date":"2024-05-08T20:40:51","date_gmt":"2024-05-08T12:40:51","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/180710.html"},"modified":"2024-05-08T20:40:57","modified_gmt":"2024-05-08T12:40:57","slug":"r%e8%af%ad%e8%a8%80%e4%b8%ad%e5%92%8c-%e6%9c%89%e4%bb%80%e4%b9%88%e4%bd%bf%e7%94%a8%e4%b8%8a%e7%9a%84%e6%b3%a8%e6%84%8f%e5%98%9b","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/180710.html","title":{"rendered":"R\u8bed\u8a00\u4e2d\\=\\\u548c\\<-\\\u6709\u4ec0\u4e48\u4f7f\u7528\u4e0a\u7684\u6ce8\u610f\u561b"},"content":{"rendered":"

<img src="https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/27070017\/64bfd127-de81-4699-a43c-a1ba48b5c0aa.webp" alt="R\u8bed\u8a00\u4e2d\\=\\\u548c\\<\/p>\n

\u5728R\u8bed\u8a00\u4e2d\uff0c=<\/code>\u548c<-<\/code>\u90fd\u53ef\u7528\u4f5c\u8d4b\u503c\u64cd\u4f5c\u7b26\uff0c\u4f46\u5b83\u4eec\u5728\u5177\u4f53\u4f7f\u7528\u4e0a\u6709\u6240\u533a\u522b<\/strong>\u3002=<\/code>\u901a\u5e38\u7528\u5728\u51fd\u6570\u53c2\u6570\u7684\u8d4b\u503c\u4e2d\uff0c\u800c<-<\/code>\u5219\u662f\u5728\u521b\u5efa\u53d8\u91cf\u65f6\u7528\u4e8e\u8d4b\u503c\u7684\u9996\u9009\u64cd\u4f5c\u7b26\u3002R\u8bed\u8a00\u4e2d\u63a8\u8350\u4f7f\u7528<-<\/code>\u8fdb\u884c\u8d4b\u503c<\/strong>\uff0c\u56e0\u4e3a\u5b83\u660e\u786e\u8868\u793a\u8d4b\u503c\u7684\u610f\u56fe\uff0c\u5e76\u4e14\u5728\u8bfb\u5199\u4ee3\u7801\u65f6\u66f4\u6e05\u6670\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u8d4b\u503c\u64cd\u4f5c\u7b26\u7684\u9009\u62e9<\/p>\n<\/p>\n

\u8d4b\u503c\u64cd\u4f5c\u7b26\u662f\u7f16\u7a0b\u8bed\u8a00\u4e2d\u7528\u4e8e\u5c06\u503c\u5206\u914d\u7ed9\u53d8\u91cf\u7684\u7b26\u53f7\u3002R\u8bed\u8a00\u652f\u6301=<\/code>\u548c<-<\/code>\u4e24\u79cd\u8d4b\u503c\u64cd\u4f5c\u7b26\uff0c\u4f46\u5b83\u4eec\u5728\u67d0\u4e9b\u65b9\u9762\u6709\u7740\u7ec6\u5fae\u7684\u5dee\u522b\u3002<\/p>\n<\/p>\n

\u9009\u62e9\u8d4b\u503c\u64cd\u4f5c\u7b26\u65f6<\/strong>\uff0c\u901a\u5e38\u63a8\u8350\u4f7f\u7528<-<\/code>\u8fdb\u884c\u53d8\u91cf\u7684\u8d4b\u503c\u3002\u8fd9\u662f\u56e0\u4e3a<-<\/code>\u6e05\u695a\u5730\u533a\u5206\u4e86\u5de6\u4fa7\u7684\u53d8\u91cf\u540d\u548c\u53f3\u4fa7\u7684\u503c\u6216\u8868\u8fbe\u5f0f\uff0c\u66f4\u5bb9\u6613\u8bc6\u522b\u51fa\u8d4b\u503c\u7684\u610f\u56fe\u3002\u6b64\u5916\uff0c<-<\/code>\u53ef\u4ee5\u5728\u5168\u5c40\u73af\u5883\u6216\u672c\u5730\u4f5c\u7528\u57df\u4e2d\u521b\u5efa\u65b0\u7684\u53d8\u91cf\uff0c\u800c=<\/code>\u5219\u901a\u5e38\u5728\u51fd\u6570\u8c03\u7528\u4e2d\u7528\u6765\u660e\u786e\u6307\u5b9a\u53c2\u6570\u7684\u503c\u3002<\/p>\n<\/p>\n

\u4e8c\u3001=<\/code>\u5728\u51fd\u6570\u8c03\u7528\u4e2d\u7684\u5e94\u7528<\/p>\n<\/p>\n

\u5728\u8c03\u7528\u51fd\u6570\u65f6\uff0c=<\/code>\u901a\u5e38\u7528\u4e8e\u663e\u5f0f\u6307\u5b9a\u51fd\u6570\u53c2\u6570\u7684\u503c\u3002\u8fd9\u5728\u4f20\u9012\u547d\u540d\u53c2\u6570\u65f6\u7279\u522b\u6709\u7528\uff0c\u4f7f\u51fd\u6570\u8c03\u7528\u7684\u4ee3\u7801\u66f4\u52a0\u6e05\u6670\u6613\u61c2\u3002<\/p>\n<\/p>\n

\u4f8b\u5982\uff0c\u5728\u4f7f\u7528plot()<\/code>\u51fd\u6570\u65f6\uff0c\u4f60\u53ef\u80fd\u4f1a\u5199\u51fa\u5982\u4e0b\u4ee3\u7801\uff1a<\/p>\n<\/p>\n

plot(x = my_data$x_values, y = my_data$y_values)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u91cc\uff0c=<\/code>\u6e05\u6670\u5730\u6307\u660e\u4e86\u54ea\u4e2a\u53c2\u6570\u88ab\u8d4b\u4e88\u4e86\u54ea\u4e2a\u503c\u3002\u4f7f\u7528=<\/code>\u4f20\u9012\u53c2\u6570\u53ef\u4ee5\u907f\u514d\u6df7\u6dc6\uff0c\u5e76\u786e\u4fdd\u6b63\u786e\u65e0\u8bef\u5730\u5c06\u503c\u4f20\u9012\u7ed9\u6240\u9700\u53c2\u6570\u3002<\/p>\n<\/p>\n
\u4e09\u3001<-<\/code>\u7528\u4e8e\u53d8\u91cf\u8d4b\u503c\u7684\u89c4\u5219<\/p>\n<\/p>\n
<-<\/code>\u662fR\u8bed\u8a00\u4e2d\u6807\u51c6\u7684\u53d8\u91cf\u8d4b\u503c\u64cd\u4f5c\u7b26\u3002\u5b83\u901a\u5e38\u7528\u6765\u5728\u811a\u672c\u6216\u547d\u4ee4\u884c\u4e2d\u4e3a\u53d8\u91cf\u5206\u914d\u503c\u3002\u4f7f\u7528<-<\/code>\u65f6\uff0c\u5728\u64cd\u4f5c\u7b26\u7684\u5de6\u8fb9\u662f\u53d8\u91cf\u540d\uff0c\u53f3\u8fb9\u662f\u8981\u8d4b\u7ed9\u53d8\u91cf\u7684\u503c\u6216\u8868\u8fbe\u5f0f\u3002<\/p>\n<\/p>\n
\u4e3e\u4e00\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff1a<\/p>\n<\/p>\n
x <- 10<\/p>\n
y <- x * 2<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u91cc\uff0cx<\/code>\u88ab\u8d4b\u4e88\u4e86\u503c10\uff0c\u7136\u540ey<\/code>\u88ab\u8d4b\u4e88\u4e86x<\/code>\u7684\u4e24\u500d\u7684\u503c\u3002\u8fd9\u79cd\u8d4b\u503c\u65b9\u6cd5\u5f3a\u8c03\u4e86\u4ece\u53f3\u5411\u5de6\u7684\u6570\u636e\u6d41\u52a8<\/strong>\uff0c\u7b26\u53f7\u5de6\u4fa7\u7684\u53d8\u91cf\u63a5\u6536\u53f3\u4fa7\u8868\u8fbe\u5f0f\u7684\u503c\u3002\u8fd9\u79cd\u8868\u793a\u65b9\u6cd5\u53ef\u4ee5\u4f7f\u5f97\u590d\u6742\u7684\u8d4b\u503c\u64cd\u4f5c\u66f4\u52a0\u76f4\u89c2\u3002<\/p>\n<\/p>\n
\u56db\u3001\u6df7\u7528=<\/code>\u548c<-<\/code>\u65f6\u7684\u6ce8\u610f\u4e8b\u9879<\/p>\n<\/p>\n
\u5728\u7f16\u5199R\u4ee3\u7801\u65f6\uff0c\u5e94\u5f53\u907f\u514d\u5728\u540c\u4e00\u4f5c\u7528\u57df\u6216\u540c\u4e00\u51fd\u6570\u5185\u6df7\u7528=<\/code>\u548c<-<\/code>\uff0c\u56e0\u4e3a\u8fd9\u53ef\u80fd\u4f1a\u9020\u6210\u9605\u8bfb\u548c\u7ef4\u62a4\u4ee3\u7801\u65f6\u7684\u56f0\u6270\u3002\u5c3d\u7ba1\u6df7\u7528\u8fd9\u4e24\u4e2a\u7b26\u53f7\u901a\u5e38\u4e0d\u4f1a\u5bfc\u81f4\u9519\u8bef\uff0c\u4f46\u4e3a\u4e86\u4ee3\u7801\u7684\u4e00\u81f4\u6027\u548c\u53ef\u8bfb\u6027\uff0c\u9009\u62e9\u5e76\u575a\u6301\u4f7f\u7528\u4e00\u79cd\u8d4b\u503c\u4e60\u60ef\u662f\u5f88\u6709\u5fc5\u8981\u7684\u3002<\/p>\n<\/p>\n
\u5728\u4e00\u4e9b\u7f16\u7a0b\u89c4\u8303\u4e2d\uff0c\u4ee3\u7801\u98ce\u683c\u7684\u4e00\u81f4\u6027\u88ab\u89c6\u4e3a\u9ad8\u8d28\u91cf\u4ee3\u7801\u7684\u4e00\u4e2a\u91cd\u8981\u7279\u5f81\u3002\u56e0\u6b64\uff0c\u9009\u62e9\u4e00\u79cd\u8d4b\u503c\u64cd\u4f5c\u7b26\u5e76\u59cb\u7ec8\u4e00\u81f4\u5730\u4f7f\u7528\u5b83\uff0c\u80fd\u591f\u5e2e\u52a9\u4f60\u548c\u4f60\u7684\u56e2\u961f\u66f4\u597d\u5730\u7ef4\u62a4\u548c\u7406\u89e3\u4ee3\u7801\u5e93\u3002<\/p>\n<\/p>\n
\u4e94\u3001\u8d4b\u503c\u64cd\u4f5c\u7b26\u5728\u7f16\u7a0b\u5b9e\u8df5\u4e2d\u7684\u5e94\u7528<\/p>\n<\/p>\n
\u5728\u5b9e\u9645\u7684\u7f16\u7a0b\u5b9e\u8df5\u4e2d\uff0c\u7406\u89e3\u5e76\u6b63\u786e\u4f7f\u7528=<\/code>\u548c<-<\/code>\u53ef\u4ee5\u907f\u514d\u8bb8\u591a\u4e0d\u5fc5\u8981\u7684\u9519\u8bef\u3002\u4f8b\u5982\uff0c\u8d4b\u503c\u64cd\u4f5c\u7b26\u4f7f\u7528\u4e0d\u5f53\u53ef\u80fd\u4f1a\u5728\u5168\u5c40\u73af\u5883\u4e2d\u521b\u5efa\u65e0\u610f\u7684\u53d8\u91cf\uff0c\u6216\u8005\u5728\u4e0d\u6b63\u786e\u7684\u5730\u65b9\u4fee\u6539\u53d8\u91cf\u7684\u503c\uff0c\u8fd9\u5728\u5927\u578b\u9879\u76ee\u6216\u6570\u636e\u5206\u6790\u8fc7\u7a0b\u4e2d\u53ef\u80fd\u4f1a\u5bfc\u81f4\u96be\u4ee5\u8ffd\u8e2a\u7684bug\u3002<\/p>\n<\/p>\n
\u4e00\u79cd\u826f\u597d\u7684\u7f16\u7a0b\u4e60\u60ef\u662f\uff0c\u5f53\u5b9a\u4e49\u4e00\u4e2a\u65b0\u7684\u53d8\u91cf\u65f6\uff0c\u4f7f\u7528<-<\/code>\u8d4b\u503c\uff1b\u800c\u5728\u4f7f\u7528\u51fd\u6570\u65f6\uff0c\u5219\u4f7f\u7528=<\/code>\u6765\u6307\u5b9a\u53c2\u6570\u3002\u8fd9\u6837\u53ef\u4ee5\u5728\u7f16\u7801\u65f6\u4e3a\u81ea\u5df1\u548c\u5176\u4ed6\u9605\u8bfb\u4ee3\u7801\u7684\u4eba\u63d0\u4f9b\u6e05\u6670\u7684\u89c6\u89c9\u63d0\u793a\uff0c\u8868\u660e\u6bcf\u4e2a\u64cd\u4f5c\u7684\u4f5c\u7528\u548c\u610f\u56fe\u3002<\/p>\n<\/p>\n
\u6b64\u5916\uff0c\u7f16\u5199R\u4ee3\u7801\u65f6\uff0c\u5e94\u9075\u5faaR\u793e\u533a\u7ea6\u5b9a\u7684\u6700\u4f73\u5b9e\u8df5<\/strong>\uff0c\u8fd9\u5f80\u5f80\u80fd\u8ba9\u4f60\u7684\u4ee3\u7801\u66f4\u52a0\u5065\u58ee\uff0c\u51cf\u5c11\u9519\u8bef\uff0c\u5e76\u63d0\u9ad8\u4e0e\u5176\u4ed6R\u7528\u6237\u7684\u534f\u4f5c\u6548\u7387\u3002\u5728\u8bb8\u591a\u6d41\u884c\u7684R\u7f16\u7801\u89c4\u8303\u4e2d\uff0c \u5982 Hadley Wickham \u7684\u300aR\u7f16\u7a0b\u98ce\u683c\u6307\u5357\u300b\uff0c<-<\/code>\u4f5c\u4e3a\u8d4b\u503c\u64cd\u4f5c\u7b26\u7684\u4f7f\u7528\u662f\u88ab\u79ef\u6781\u63a8\u8350\u7684\u3002<\/p>\n<\/p>\n
\u516d\u3001\u7ed3\u8bba<\/p>\n<\/p>\n
\u603b\u7684\u6765\u8bf4\uff0cR\u8bed\u8a00\u4e2d=<\/code>\u548c<-<\/code>\u867d\u7136\u90fd\u53ef\u4ee5\u7528\u4e8e\u8d4b\u503c\uff0c\u4f46\u5b83\u4eec\u5728\u4e0d\u540c\u60c5\u5883\u4e0b\u7684\u4f7f\u7528\u5177\u6709\u4e0d\u540c\u7684\u7279\u70b9\u3002\u59cb\u7ec8\u575a\u6301\u4f7f\u7528<-<\/code>\u7528\u4e8e\u53d8\u91cf\u8d4b\u503c\u5e76\u4f7f\u7528=<\/code>\u6307\u5b9a\u51fd\u6570\u53c2\u6570\uff0c\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u4e00\u81f4\u6027\u548c\u53ef\u8bfb\u6027\u3002\u8bb0\u4f4f\u8fd9\u4e9b\u6ce8\u610f\u70b9\uff0c\u5c06\u6709\u52a9\u4e8e\u4f60\u5199\u51fa\u66f4\u52a0\u4e13\u4e1a\u548c\u9ad8\u6548\u7684R\u4ee3\u7801\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
1. R\u8bed\u8a00\u4e2d\u7684=\\\u548c<-\u6709\u4f55\u533a\u522b\uff1f<\/strong>
\n\u5728R\u8bed\u8a00\u4e2d\uff0c=\\\u662f\u7528\u4e8e\u8d4b\u503c\u64cd\u4f5c\u7684\u7b26\u53f7\uff0c\u8868\u793a\u5c06\u4e00\u4e2a\u503c\u8d4b\u7ed9\u4e00\u4e2a\u53d8\u91cf\u3002\u800c<-\u4e5f\u662f\u7528\u4e8e\u8d4b\u503c\u64cd\u4f5c\u7684\u7b26\u53f7\uff0c\u4f46\u5b83\u8fd8\u5177\u6709\u4e00\u4e9b\u7279\u6b8a\u7684\u529f\u80fd\u3002<-\u4f1a\u4f18\u5148\u5728\u51fd\u6570\u7684\u4f5c\u7528\u57df\u5185\u67e5\u627e\u53d8\u91cf\uff0c\u5982\u679c\u627e\u4e0d\u5230\u8be5\u53d8\u91cf\uff0c\u5219\u4f1a\u5728\u5168\u5c40\u73af\u5883\u4e2d\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u53d8\u91cf\uff0c\u5e76\u5c06\u503c\u8d4b\u7ed9\u5b83\u3002\u8fd9\u610f\u5473\u7740\u5982\u679c\u4f60\u5e0c\u671b\u5728\u51fd\u6570\u5185\u90e8\u521b\u5efa\u4e00\u4e2a\u5168\u5c40\u53d8\u91cf\uff0c\u53ef\u4ee5\u4f7f\u7528<-\uff0c\u76f8\u53cd\uff0c\u5982\u679c\u4f60\u53ea\u662f\u5728\u51fd\u6570\u5185\u90e8\u521b\u5efa\u4e00\u4e2a\u5c40\u90e8\u53d8\u91cf\uff0c\u5e94\u8be5\u4f7f\u7528=\u6765\u8d4b\u503c\u3002<\/p>\n
2. \u5982\u4f55\u5728R\u8bed\u8a00\u4e2d\u6b63\u786e\u4f7f\u7528=\\\u548c<-\uff1f<\/strong>
\n\u5f53\u4f60\u60f3\u5c06\u4e00\u4e2a\u503c\u8d4b\u7ed9\u4e00\u4e2a\u53d8\u91cf\u65f6\uff0c\u5e94\u8be5\u4f7f\u7528=\u3002\u4f8b\u5982\uff0cx = 10\u8868\u793a\u5c06\u503c10\u8d4b\u7ed9\u53d8\u91cfx\u3002\u800c\u5f53\u4f60\u60f3\u5728\u51fd\u6570\u5185\u90e8\u521b\u5efa\u4e00\u4e2a\u5168\u5c40\u53d8\u91cf\u65f6\uff0c\u5e94\u8be5\u4f7f\u7528<-\u3002\u4f8b\u5982\uff0c\u5728\u4e00\u4e2a\u51fd\u6570\u5185\u90e8\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528x <- 10\u6765\u521b\u5efa\u4e00\u4e2a\u5168\u5c40\u53d8\u91cfx\uff0c\u5e76\u5c06\u503c10\u8d4b\u7ed9\u5b83\u3002<\/p>\n
3. \u8fd8\u6709\u6ca1\u6709\u5176\u4ed6\u7684\u8d4b\u503c\u8fd0\u7b97\u7b26\u53ef\u4ee5\u5728R\u8bed\u8a00\u4e2d\u4f7f\u7528\uff1f<\/strong>
\n\u9664\u4e86=\u548c<-\uff0c\u5728R\u8bed\u8a00\u4e2d\u8fd8\u6709\u5176\u4ed6\u4e00\u4e9b\u8d4b\u503c\u8fd0\u7b97\u7b26\u53ef\u4ee5\u4f7f\u7528\u3002\u4f8b\u5982\uff0c<<-\u53ef\u4ee5\u7528\u6765\u5c06\u4e00\u4e2a\u5bf9\u8c61\u7684\u503c\u8d4b\u7ed9\u53e6\u4e00\u4e2a\u5bf9\u8c61\uff0c\u540c\u65f6\u5c06\u8fd9\u4e2a\u8fc7\u7a0b\u5728\u6574\u4e2a\u73af\u5883\u94fe\u4e2d\u4f20\u64ad\u4e0b\u53bb\u3002\u53e6\u5916\uff0c->\u4e5f\u662f\u4e00\u4e2a\u8d4b\u503c\u8fd0\u7b97\u7b26\uff0c\u7528\u4e8e\u5c06\u4e00\u4e2a\u503c\u8d4b\u7ed9\u4e00\u4e2a\u53d8\u91cf\uff0c\u4f46\u662f\u4e0e=\u548c<-\u7684\u4e0d\u540c\u4e4b\u5904\u5728\u4e8e\uff0c\u5b83\u5c06\u503c\u8d4b\u7ed9\u53d8\u91cf\u7684\u65b9\u5f0f\u662f\u76f8\u53cd\u7684\u3002\u4f8b\u5982\uff0c10 -> x\u8868\u793a\u5c06\u503c10\u8d4b\u7ed9\u53d8\u91cfx\u3002\u8fd9\u4e9b\u8d4b\u503c\u8fd0\u7b97\u7b26\u5728\u4e0d\u540c\u7684\u60c5\u51b5\u4e0b\u6709\u4e0d\u540c\u7684\u7528\u9014\uff0c\u6839\u636e\u5177\u4f53\u60c5\u51b5\u9009\u62e9\u9002\u5f53\u7684\u8d4b\u503c\u8fd0\u7b97\u7b26\u662f\u5f88\u91cd\u8981\u7684\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<img src="https:\/\/cdn-kb.worktile.com\/kb\/wp-con […]","protected":false},"author":3,"featured_media":180717,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/180710"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=180710"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/180710\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/180717"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=180710"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=180710"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=180710"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}