{"id":180671,"date":"2024-05-08T20:39:59","date_gmt":"2024-05-08T12:39:59","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/180671.html"},"modified":"2024-05-08T20:40:07","modified_gmt":"2024-05-08T12:40:07","slug":"r%e8%af%ad%e8%a8%80%e4%b8%ad%e5%8f%a5%e5%8f%b7%ef%bc%88%e7%82%b9%e5%8f%b7%ef%bc%89-%e7%9a%84%e5%90%ab%e4%b9%89%e6%98%af%e4%bb%80%e4%b9%88","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/180671.html","title":{"rendered":"r\u8bed\u8a00\u4e2d\u53e5\u53f7\uff08\u70b9\u53f7\uff09\u201c.\u201d\u7684\u542b\u4e49\u662f\u4ec0\u4e48"},"content":{"rendered":"<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/27070016\/77a6f344-19fa-43d4-9134-ee365c4cff1d.webp\" alt=\"r\u8bed\u8a00\u4e2d\u53e5\u53f7\uff08\u70b9\u53f7\uff09\u201c.\u201d\u7684\u542b\u4e49\u662f\u4ec0\u4e48\" \/><\/p>\n<p><p>\u5728R\u8bed\u8a00\u4e2d\uff0c\u53e5\u53f7\uff08\u70b9\u53f7\uff09&quot;.&quot;\u901a\u5e38\u7528\u4e8e<strong>\u53d8\u91cf\u547d\u540d\u3001\u5173\u8054\u5305\u4e2d\u7684\u51fd\u6570\u6216\u6570\u636e\u96c6\u3001\u4ee5\u53caS3\u65b9\u6cd5\u4e2d\u7684\u5bf9\u8c61\u7c7b\u5b9a\u4e49<\/strong>\uff0c\u4f46\u5b83\u5e76\u6ca1\u6709\u7279\u6b8a\u7684\u8bed\u6cd5\u542b\u4e49\u3002\u70b9\u53f7\u53ef\u4ee5\u4f5c\u4e3a\u53d8\u91cf\u6216\u51fd\u6570\u540d\u79f0\u7684\u4e00\u90e8\u5206\uff0c\u8d77\u5230\u4e00\u4e2a\u666e\u901a\u5b57\u7b26\u7684\u4f5c\u7528\uff0c\u6709\u52a9\u4e8e\u589e\u5f3a\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3002\u5728\u53d8\u91cf\u547d\u540d\u4e2d\uff0c\u53e5\u53f7\u5e38\u7528\u4e8e\u4ee3\u66ff\u5176\u4ed6\u7f16\u7a0b\u8bed\u8a00\u4e2d\u7684\u4e0b\u5212\u7ebf\u201c_\u201d\u6765\u533a\u5206\u5355\u8bcd\u6216\u7f29\u5199\u3002\u4f8b\u5982\uff0c\u4e00\u4e2a\u63cf\u8ff0\u7528\u6237\u5e74\u9f84\u7684\u53d8\u91cf\u53ef\u4ee5\u547d\u540d\u4e3a\u201cuser.age\u201d\u3002\u6b64\u5916\uff0c\u5728\u5386\u53f2\u4e0a\uff0cR\u8bed\u8a00\u5e7f\u6cdb\u4f7f\u7528\u70b9\u53f7\u8868\u793aS3\u5bf9\u8c61\u7cfb\u7edf\u4e2d\u4e0d\u540c\u7c7b\u7684\u65b9\u6cd5\uff0c\u4f46\u5728\u65b0\u7684S4\u5bf9\u8c61\u7cfb\u7edf\u548cR6\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u4e2d\uff0c\u70b9\u53f7\u7684\u8fd9\u79cd\u4f7f\u7528\u5df2\u7ecf\u8f83\u5c11\u3002<\/p>\n<\/p>\n<p><p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u63cf\u8ff0\u70b9\u53f7\u5728\u53d8\u91cf\u547d\u540d\u4e2d\u7684\u5e94\u7528\uff0c\u5e76\u63a2\u8ba8\u5176\u5728R\u8bed\u8a00\u7f16\u7a0b\u5b9e\u8df5\u4e2d\u7684\u5176\u4ed6\u91cd\u8981\u7528\u9014\u3002<\/p>\n<\/p>\n<p><h3>\u4e00\u3001\u53d8\u91cf\u547d\u540d\u7684\u4e60\u60ef<\/h3>\n<\/p>\n<p><p>\u5728R\u8bed\u8a00\u4e2d\uff0c\u53d8\u91cf\u53ef\u4f7f\u7528\u53e5\u53f7\u4f5c\u4e3a\u540d\u79f0\u7684\u4e00\u90e8\u5206\u3002\u8fd9\u79cd\u547d\u540d\u7b56\u7565\u5f88\u7075\u6d3b\uff0c\u56e0\u4e3aR\u5e76\u4e0d\u9650\u5236\u53e5\u53f7\u5728\u53d8\u91cf\u540d\u4e2d\u7684\u4f7f\u7528\uff0c\u5b83\u53ef\u4ee5\u7f6e\u4e8e\u53d8\u91cf\u540d\u7684\u4efb\u4f55\u4f4d\u7f6e\uff0c\u9664\u4e86\u9996\u4f4d\u3002\u901a\u8fc7\u70b9\u53f7\u7684\u5408\u7406\u5e94\u7528\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u521b\u5efa\u51fa\u8868\u610f\u6e05\u6670\u3001\u6613\u4e8e\u533a\u5206\u7684\u53d8\u91cf\u540d\u3002<\/p>\n<\/p>\n<p><p><strong>\u4f8b\u5982\uff1a<\/strong><\/p>\n<\/p>\n<ul>\n<li><code>account.balance<\/code>\uff1a\u53ef\u80fd\u8868\u793a\u8d26\u6237\u4f59\u989d\u3002<\/li>\n<li><code>calculate.area<\/code>\uff1a\u53ef\u80fd\u662f\u4e00\u4e2a\u8ba1\u7b97\u9762\u79ef\u7684\u51fd\u6570\u3002<\/li>\n<\/ul>\n<p><p><strong>\u4f46\u9700\u8981\u6ce8\u610f\u7684\u662f<\/strong>\uff0c\u53e5\u53f7\u547d\u540d\u4e60\u60ef\u4e0e\u67d0\u4e9b\u64cd\u4f5c\u7cfb\u7edf\u6587\u4ef6\u7cfb\u7edf\u6216\u5176\u4ed6\u7f16\u7a0b\u8bed\u8a00\u4e2d\u7684\u547d\u540d\u4e60\u60ef\u53ef\u80fd\u4ea7\u751f\u51b2\u7a81\u3002\u5728\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u4e2d\uff0c\u53e5\u53f7\u901a\u5e38\u7528\u4e8e\u8bbf\u95ee\u5bf9\u8c61\u7684\u5c5e\u6027\uff0c\u800c\u5728R\u4e2d\uff0c\u8bbf\u95ee\u5bf9\u8c61\u5c5e\u6027\u6216\u6210\u5458\u901a\u5e38\u4f7f\u7528\u7b26\u53f7&quot;$&quot;\u3002<\/p>\n<\/p>\n<p><h3>\u4e8c\u3001\u5305\u4e0e\u51fd\u6570\u95f4\u7684\u5173\u8054<\/h3>\n<\/p>\n<p><p>R\u8bed\u8a00\u4e2d\uff0c\u53e5\u53f7\u4e5f\u7528\u4e8e\u660e\u786e\u6307\u51fa\u51fd\u6570\u6216\u6570\u636e\u96c6\u6765\u81ea\u54ea\u4e2a\u5305\u3002\u8fd9\u5728\u591a\u4e2a\u5305\u542b\u6709\u540c\u540d\u51fd\u6570\u6216\u6570\u636e\u96c6\u7684\u60c5\u51b5\u4e0b\u5c24\u4e3a\u6709\u7528\u3002<\/p>\n<\/p>\n<p><p><strong>\u4f8b\u5982\uff1a<\/strong><\/p>\n<\/p>\n<ul>\n<li><code>ggplot2::ggplot<\/code>\uff1a\u8868\u793aggplot2\u5305\u4e2d\u7684ggplot\u51fd\u6570\uff0c\u5176\u4e2d\u53cc\u5192\u53f7\u8868\u793a\u6240\u5c5e\u5305\u7684\u6307\u5b9a\u3002<\/li>\n<li><code>stats::lm<\/code>\uff1a\u8868\u793astats\u5305\u4e2d\u7684\u7ebf\u6027\u6a21\u578b\uff08lm\uff09\u51fd\u6570\u3002<\/li>\n<\/ul>\n<p><p>\u901a\u8fc7\u8fd9\u79cd\u53e5\u53f7\u7684\u4f7f\u7528\uff0c\u53ef\u4ee5\u907f\u514d\u4e0d\u540c\u5305\u4e4b\u95f4\u51fd\u6570\u6216\u6570\u636e\u96c6\u7684\u547d\u540d\u51b2\u7a81\uff0c\u5e76\u660e\u786e\u8868\u793a\u8c03\u7528\u7684\u6e90\u5934\u3002<\/p>\n<\/p>\n<p><h3>\u4e09\u3001S3\u7c7b\u65b9\u6cd5\u7684\u5b9a\u4e49<\/h3>\n<\/p>\n<p><p>\u5728\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u7684S3\u7cfb\u7edf\u4e2d\uff0c\u53e5\u53f7\u7ecf\u5e38\u7528\u4e8e\u8fde\u63a5\u7c7b\u540d\u4e0e\u901a\u7528\u51fd\u6570\uff0c\u5b9a\u4e49\u7279\u5b9a\u7c7b\u7684\u65b9\u6cd5\u3002\u867d\u7136\u8fd9\u79cd\u7528\u6cd5\u5728S4\u548cR6\u7f16\u7a0b\u5b9e\u8df5\u4e2d\u9010\u6e10\u5c11\u89c1\uff0c\u4f46\u5b83\u66fe\u7ecf\u662fR\u4e2dS3\u5bf9\u8c61\u7cfb\u7edf\u7684\u4e00\u4e2a\u6807\u5fd7\u6027\u7279\u5f81\u3002<\/p>\n<\/p>\n<p><p><strong>\u4f8b\u5982\uff1a<\/strong><\/p>\n<\/p>\n<ul>\n<li><code>print.default<\/code>\uff1a\u8868\u793a\u901a\u7528print\u51fd\u6570\u9488\u5bf9default\u7c7b\u7684\u65b9\u6cd5\u3002<\/li>\n<li><code>summary.lm<\/code>\uff1a\u8868\u793asummary\u51fd\u6570\u4e3a\u7ebf\u6027\u6a21\u578b\uff08lm\uff09\u5bf9\u8c61\u5b9a\u4e49\u7684\u7279\u5b9a\u65b9\u6cd5\u3002<\/li>\n<\/ul>\n<p><p>\u5728\u7f16\u5199S3\u7c7b\u65b9\u6cd5\u65f6\uff0c\u53e5\u53f7\u4f5c\u4e3a\u51fd\u6570\u540d\u7684\u4e00\u90e8\u5206\uff0c\u5e2e\u52a9R\u8bc6\u522b\u548c\u8c03\u5ea6\u9002\u5408\u4e8e\u7279\u5b9a\u7c7b\u7684\u65b9\u6cd5\u3002<\/p>\n<\/p>\n<p><h3>\u56db\u3001\u5176\u4ed6\u4f7f\u7528\u60c5\u666f<\/h3>\n<\/p>\n<p><p>\u867d\u7136\u70b9\u53f7\u5728R\u8bed\u8a00\u4e2d\u6ca1\u6709\u5185\u5efa\u7684\u8bed\u6cd5\u542b\u4e49\uff0c\u4f46\u7ea6\u5b9a\u4fd7\u6210\u7684\u5e94\u7528\u4f7f\u5f97\u5b83\u5728\u5b9e\u9645\u7f16\u7a0b\u4e2d\u4ecd\u5177\u6709\u7279\u5b9a\u7684\u542b\u4e49\u3002\u53e5\u53f7\u7528\u4e8e\u547d\u540d\u5bf9\u8c61\u65f6\uff0c\u6211\u4eec\u5e94\u8be5\u907f\u514d\u4f7f\u7528\u5b83\u6765\u8868\u793a\u5c0f\u6570\u70b9\uff0c\u907f\u514d\u6df7\u6dc6\u3002<\/p>\n<\/p>\n<p><p><strong>\u7ed3\u8bba<\/strong>\uff1a<\/p>\n<\/p>\n<p><p>\u53e5\u53f7&quot;.&quot;\u5728R\u8bed\u8a00\u4e2d\u4e3b\u8981\u7528\u4e8e\u547d\u540d\u53d8\u91cf\u548c\u51fd\u6570\uff0c\u4f5c\u4e3a\u8fde\u63a5\u4e0d\u540c\u8bcd\u6c47\u7684\u5b57\u7b26\uff0c\u5e76\u5728\u4e0d\u540c\u5305\u660e\u786e\u51fd\u6570\u6765\u6e90\u65f6\u53d1\u6325\u4f5c\u7528\uff1b\u5176\u6b21\uff0c\u5728S3\u7c7b\u7684\u65b9\u6cd5\u5b9a\u4e49\u4e2d\u4e5f\u6709\u5e94\u7528\u3002\u8fd9\u4e9b\u5b9e\u8df5\u90fd\u589e\u5f3a\u4e86\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u660e\u786e\u6027\uff0c\u4f46\u5bf9\u65b0\u624bR\u7528\u6237\u6765\u8bf4\uff0c\u5b66\u4e60\u8fd9\u4e9b\u547d\u540d\u60ef\u4f8b\u53ef\u80fd\u9700\u8981\u4e00\u4e9b\u65f6\u95f4\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p><strong>Q1: R\u8bed\u8a00\u4e2d\u53e5\u53f7\uff08\u70b9\u53f7\uff09&quot;.&quot;\u6709\u4ec0\u4e48\u4f5c\u7528\uff1f<\/strong><\/p>\n<p>A1: \u5728R\u8bed\u8a00\u4e2d\uff0c\u53e5\u53f7\uff08\u70b9\u53f7\uff09&quot;.&quot;\u4f5c\u4e3a\u4e00\u79cd\u7279\u6b8a\u7b26\u53f7\uff0c\u5177\u6709\u591a\u79cd\u529f\u80fd\u3002\u5b83\u53ef\u4ee5\u7528\u4e8e\u8c03\u7528\u5bf9\u8c61\u7684\u7279\u5b9a\u51fd\u6570\u3001\u65b9\u6cd5\u6216\u5c5e\u6027\uff0c\u7c7b\u4f3c\u4e8e\u5176\u4ed6\u7f16\u7a0b\u8bed\u8a00\u4e2d\u7684\u201c\u70b9\u64cd\u4f5c\u7b26\u201d\u3002\u53e5\u53f7\u7684\u4f7f\u7528\u4f7f\u5f97\u4ee3\u7801\u66f4\u52a0\u7b80\u6d01\u548c\u6613\u8bfb\u3002\u540c\u65f6\uff0c\u53e5\u70b9\u4e5f\u53ef\u4ee5\u7528\u4e8e\u6307\u5b9a\u547d\u540d\u7a7a\u95f4\u7684\u5185\u5bb9\uff0c\u4ee5\u9632\u6b62\u547d\u540d\u51b2\u7a81\u548c\u6df7\u6dc6\u3002<\/p>\n<p><strong>Q2: \u5728R\u8bed\u8a00\u4e2d\uff0c\u5982\u4f55\u4f7f\u7528\u53e5\u53f7\uff08\u70b9\u53f7\uff09&quot;.&quot;\u6765\u8c03\u7528\u51fd\u6570\u6216\u65b9\u6cd5\uff1f<\/strong><\/p>\n<p>A2: \u5728R\u8bed\u8a00\u4e2d\uff0c\u53e5\u53f7\uff08\u70b9\u53f7\uff09&quot;.&quot;\u53ef\u4ee5\u7528\u4e8e\u8c03\u7528\u5bf9\u8c61\u7684\u51fd\u6570\u6216\u65b9\u6cd5\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6709\u4e00\u4e2a\u5411\u91cf<code>vec<\/code>\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7<code>vec.mean()<\/code>\u6765\u8ba1\u7b97\u5176\u5e73\u5747\u503c\u3002\u7136\u800c\uff0c\u4f7f\u7528\u53e5\u70b9\u64cd\u4f5c\u7b26\uff0c\u4f60\u53ef\u4ee5\u7b80\u5316\u4e3a<code>vec.mean<\/code>\u3002\u8fd9\u79cd\u5199\u6cd5\u66f4\u52a0\u7b80\u6d01\u548c\u76f4\u89c2\uff0c\u4f7f\u5f97\u4ee3\u7801\u66f4\u6613\u8bfb\u3002<\/p>\n<p><strong>Q3: \u5728R\u8bed\u8a00\u4e2d\uff0c\u53e5\u53f7\uff08\u70b9\u53f7\uff09&quot;.&quot;\u5982\u4f55\u7528\u4e8e\u6307\u5b9a\u547d\u540d\u7a7a\u95f4\uff1f<\/strong><\/p>\n<p>A3: \u5728R\u8bed\u8a00\u4e2d\uff0c\u53e5\u53f7\uff08\u70b9\u53f7\uff09&quot;.&quot;\u53ef\u4ee5\u7528\u4e8e\u6307\u5b9a\u547d\u540d\u7a7a\u95f4\uff0c\u4ee5\u9632\u6b62\u547d\u540d\u51b2\u7a81\u548c\u6df7\u6dc6\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4f60\u52a0\u8f7d\u4e86\u4e24\u4e2a\u5177\u6709\u76f8\u540c\u51fd\u6570\u6216\u53d8\u91cf\u540d\u79f0\u7684\u5305\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u53e5\u70b9\u64cd\u4f5c\u7b26\u6765\u6307\u5b9a\u8981\u4f7f\u7528\u7684\u5305\u3002\u8fd9\u79cd\u65b9\u5f0f\u53ef\u4ee5\u4fdd\u8bc1\u51fd\u6570\u6216\u53d8\u91cf\u6765\u81ea\u4e8e\u7279\u5b9a\u5305\uff0c\u907f\u514d\u4e86\u547d\u540d\u51b2\u7a81\u7684\u95ee\u9898\u3002\u5728\u8c03\u7528\u51fd\u6570\u6216\u8bbf\u95ee\u53d8\u91cf\u65f6\uff0c\u53ea\u9700\u8981\u5728\u524d\u9762\u52a0\u4e0a\u5305\u540d\u52a0\u70b9\u7684\u65b9\u5f0f\u5373\u53ef\u3002\u793a\u4f8b\uff1a<code>package1::function()<\/code>\u6216<code>package2::variable<\/code>\u3002\u8fd9\u79cd\u505a\u6cd5\u786e\u4fdd\u4e86\u4ee3\u7801\u7684\u53ef\u9760\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728R\u8bed\u8a00\u4e2d\uff0c\u53e5\u53f7\uff08\u70b9\u53f7\uff09&quot;.&quot;\u901a\u5e38\u7528\u4e8e\u53d8\u91cf\u547d\u540d\u3001\u5173\u8054\u5305\u4e2d\u7684\u51fd\u6570\u6216\u6570\u636e\u96c6\u3001\u4ee5\u53caS3\u65b9\u6cd5\u4e2d\u7684\u5bf9 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