{"id":460,"date":"2023-04-09T12:54:49","date_gmt":"2023-12-27T22:15:00","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/index.php\/2023\/11\/30\/%e5%9c%a8r%e4%b8%ad%e5%a6%82%e4%bd%95%e6%89%be%e5%88%b0%e6%a0%87%e5%87%86%e5%b7%ae%ef%bc%9f\/"},"modified":"2025-08-02T11:23:25","modified_gmt":"2025-08-02T03:23:25","slug":"%e5%9c%a8r%e4%b8%ad%e5%a6%82%e4%bd%95%e6%89%be%e5%88%b0%e6%a0%87%e5%87%86%e5%b7%ae%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8r%e4%b8%ad%e5%a6%82%e4%bd%95%e6%89%be%e5%88%b0%e6%a0%87%e5%87%86%e5%b7%ae%ef%bc%9f\/","title":{"rendered":"R\u8bed\u8a00\u8ba1\u7b97\u6807\u51c6\u5dee\u7684\u5b8c\u6574\u6307\u5357\uff1a\u4ece\u57fa\u7840\u5230\u9ad8\u7ea7\u5e94\u7528"},"content":{"rendered":"<p>\u4f5c\u4e3a\u4e00\u79cd\u7edf\u8ba1\u8bed\u8a00\uff0cR \u63d0\u4f9b\u4e86\u6807\u51c6\u51fd\u6570 sd() \u6765\u8ba1\u7b97\u6570\u503c\u7684\u6807\u51c6\u5dee\u3002<\/p>\n<h2>\u90a3\u4e48\u6807\u51c6\u5dee\u662f\u4ec0\u4e48\u5462\uff1f<\/h2>\n<ul class=\"post-ul\">\n<li>\u6807\u51c6\u5dee\u662f\u8861\u91cf\u6570\u503c\u79bb\u6563\u7a0b\u5ea6\u7684\u5ea6\u91cf\u3002<\/li>\n<li>\u6807\u51c6\u5dee\u8d8a\u9ad8\uff0c\u6570\u503c\u7684\u5206\u5e03\u8303\u56f4\u8d8a\u5e7f\u3002<\/li>\n<li>\u6807\u51c6\u5dee\u8d8a\u4f4e\uff0c\u6570\u503c\u7684\u5206\u5e03\u8303\u56f4\u8d8a\u7a84\u3002<\/li>\n<li>\u7b80\u5355\u6765\u8bf4\uff0c\u516c\u5f0f\u5b9a\u4e49\u4e3a &#8211; \u6807\u51c6\u5dee\u662f&#8217;\u65b9\u5dee&#8217;\u7684\u5e73\u65b9\u6839\u3002<\/li>\n<\/ul>\n<h2>\u6807\u51c6\u5dee\u7684\u91cd\u8981\u6027<\/h2>\n<p>\u6807\u51c6\u5dee\u5728\u7edf\u8ba1\u5b66\u4e2d\u975e\u5e38\u53d7\u6b22\u8fce\uff0c\u4f46\u4e3a\u4ec0\u4e48\u5462\uff1f\u5b83\u7684\u53d7\u6b22\u8fce\u7a0b\u5ea6\u548c\u91cd\u8981\u6027\u7684\u539f\u56e0\u5217\u4e3e\u5982\u4e0b\u3002<\/p>\n<ul class=\"post-ul\">\n<li>\u6807\u51c6\u5dee\u901a\u8fc7\u5e73\u65b9\u8fd0\u7b97\u5c06\u8d1f\u6570\u8f6c\u6362\u4e3a\u6b63\u6570\u3002<\/li>\n<li>\u5b83\u663e\u793a\u4e86\u8f83\u5927\u7684\u504f\u5dee\uff0c\u4f7f\u60a8\u53ef\u4ee5\u7279\u522b\u5173\u6ce8\u5b83\u4eec\u3002<\/li>\n<li>\u5b83\u663e\u793a\u4e86\u96c6\u4e2d\u8d8b\u52bf\uff0c\u8fd9\u662f\u5206\u6790\u4e2d\u975e\u5e38\u6709\u7528\u7684\u529f\u80fd\u3002<\/li>\n<li>\u5b83\u5728\u91d1\u878d\u3001\u5546\u4e1a\u3001\u5206\u6790\u548c\u6d4b\u91cf\u4e2d\u626e\u6f14\u7740\u91cd\u8981\u89d2\u8272\u3002<\/li>\n<\/ul>\n<p>\u5728\u6211\u4eec\u8fdb\u5165\u4e3b\u9898\u4e4b\u524d\uff0c\u8bf7\u7262\u8bb0\u8fd9\u4e2a\u5b9a\u4e49\uff01<\/p>\n<p><strong>\u65b9\u5dee<\/strong> &#8211; \u5b9a\u4e49\u4e3a\u89c2\u6d4b\u503c\u4e0e\u671f\u671b\u503c\u4e4b\u95f4\u7684\u5e73\u65b9\u5dee\u5f02\u3002<\/p>\n<hr \/>\n<h2>\u5728R\u4e2d\u627e\u5230\u5217\u8868\u4e2d\u7684\u6807\u51c6\u5dee<\/h2>\n<p>\u7528\u8fd9\u79cd\u65b9\u6cd5\uff0c\u6211\u4eec\u5c06\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a&#8217;x&#8217;\u7684\u5217\u8868\uff0c\u5e76\u5411\u5176\u6dfb\u52a0\u4e00\u4e9b\u503c\u3002\u7136\u540e\u6211\u4eec\u53ef\u4ee5\u8ba1\u7b97\u5217\u8868\u4e2d\u8fd9\u4e9b\u503c\u7684\u6807\u51c6\u504f\u5dee\u3002<\/p>\n<pre class=\"post-pre\"><code> x &lt;- c(34,56,87,65,34,56,89)    #\u521b\u5efa\u5305\u542b\u4e00\u4e9b\u503c\u7684\u5217\u8868'x'\r\n\r\n sd(x)  #\u8ba1\u7b97\u5217\u8868'x'\u4e2d\u503c\u7684\u6807\u51c6\u5dee\r\n<\/code><\/pre>\n<p>\u8f93\u51fa\u7ed3\u679c\u4e3a 22.28175\u3002<\/p>\n<p>\u73b0\u5728\u6211\u4eec\u53ef\u4ee5\u5c1d\u8bd5\u4ece\u5217\u8868&#8217;y&#8217;\u4e2d\u63d0\u53d6\u7279\u5b9a\u503c\u6765\u627e\u5230\u6807\u51c6\u504f\u5dee\u3002<\/p>\n<pre class=\"post-pre\"><code> y &lt;- c(34,65,78,96,56,78,54,57,89)  #\u521b\u5efa\u5305\u542b\u4e00\u4e9b\u503c\u7684\u5217\u8868'y'\r\n \r\ndata1 &lt;- y[1:5] #\u4f7f\u7528\u7d22\u5f15\u63d0\u53d6\u7279\u5b9a\u503c\r\n\r\nsd(data1) #\u8ba1\u7b97\u5217\u8868\u4e2d\u7d22\u5f15\u6216\u63d0\u53d6\u7684\u503c\u7684\u6807\u51c6\u5dee\r\n<\/code><\/pre>\n<p>\u8f93\u51fa \u2014&gt; 23.28519<\/p>\n<hr \/>\n<h2>\u8ba1\u7b97\u5b58\u50a8\u5728CSV\u6587\u4ef6\u4e2d\u7684\u6570\u503c\u7684\u6807\u51c6\u504f\u5dee<\/h2>\n<p>\u5728\u8fd9\u79cd\u65b9\u6cd5\u4e2d\uff0c\u6211\u4eec\u6b63\u5728\u5bfc\u5165\u4e00\u4e2aCSV\u6587\u4ef6\uff0c\u4ee5\u5728\u8be5\u6587\u4ef6\u4e2d\u5b58\u50a8\u7684\u503c\u4e0a\u4f7f\u7528R\u8bed\u8a00\u8ba1\u7b97\u6807\u51c6\u5dee\u3002<\/p>\n<pre class=\"post-pre\"><code>readfile &lt;- read.csv('testdata1.csv')  #\u8bfb\u53d6CSV\u6587\u4ef6\r\n\r\ndata2 &lt;- readfile$Values      #\u83b7\u53d6\u5b58\u50a8\u5728'Values'\u6807\u9898\u4e0b\u7684\u503c\r\n\r\nsd(data2)                              #\u8ba1\u7b97\u6807\u51c6\u5dee  \r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65648ecfa4b2f92e6c733f32\/20-0.png\" alt=\"Standard Deviation In R\" \/><\/div>\n<p>\u8f93\u51fa\u7ed3\u679c\u4e3a17.88624\u3002<\/p>\n<hr \/>\n<h2>\u9ad8\u4f4e\u6807\u51c6\u5dee<\/h2>\n<p>\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u5728\u6807\u51c6\u5dee\u8f83\u4f4e\u7684\u60c5\u51b5\u4e0b\uff0c\u6570\u503c\u5c06\u975e\u5e38\u63a5\u8fd1\u5e73\u5747\u503c\uff1b\u800c\u5728\u6807\u51c6\u5dee\u8f83\u9ad8\u7684\u60c5\u51b5\u4e0b\uff0c\u6570\u503c\u5c06\u8fdc\u79bb\u5e73\u5747\u503c\u3002<\/p>\n<p>\u6211\u4eec\u53ef\u4ee5\u7528\u4e00\u4e2a\u4f8b\u5b50\u6765\u8bf4\u660e\u8fd9\u4e2a\u95ee\u9898\u3002<\/p>\n<pre class=\"post-pre\"><code>x &lt;- c(79,82,84,96,98)  # \u521b\u5efa\u6570\u636e\u5411\u91cf\r\nmean(x)  # \u8ba1\u7b97\u5e73\u5747\u503c\r\n--&gt;  82.22222\r\nsd(x)  # \u8ba1\u7b97\u6807\u51c6\u5dee\r\n--&gt;  10.58038\r\n<\/code><\/pre>\n<p>\u4f7f\u7528R\u8bed\u8a00\u7f16\u5199\u4ee5\u4e0b\u4ee3\u7801\u4ee5\u5728\u6761\u5f62\u56fe\u4e2d\u7ed8\u5236\u8fd9\u4e9b\u6570\u636e\u503c\u3002<\/p>\n<p>\u8981\u5b89\u88c5ggplot2\u5305\uff0c\u5728R Studio\u4e2d\u8fd0\u884c\u4ee5\u4e0b\u4ee3\u7801\u3002<\/p>\n<p># \u5b89\u88c5ggplot2\u5305<br \/>install.packages(&#8220;ggplot2&#8221;)<\/p>\n<pre class=\"post-pre\"><code>library(ggplot2)  # \u52a0\u8f7dggplot2\u5305\r\n\r\nvalues &lt;- data.frame(marks=c(79,82,84,96,98), students=c(0,1,2,3,4,))  # \u521b\u5efa\u6570\u636e\u6846\r\nhead(values)                  # \u663e\u793a\u6570\u636e\u6846\u7684\u503c\r\n marks students\r\n1    79        0\r\n2    82        1\r\n3    84        2\r\n4    96        3\r\n5    98        4\r\nx &lt;- ggplot(values, aes(x=marks, y=students))+geom_bar(stat='identity')  # \u521b\u5efa\u6761\u5f62\u56fe\r\nx                             # \u663e\u793a\u56fe\u5f62\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"R\u8bed\u8a00\u6807\u51c6\u5dee\u6761\u5f62\u56fe\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65648ecfa4b2f92e6c733f32\/31-0.png\" alt=\"R\u8bed\u8a00\u4e2d\u7684\u6807\u51c6\u5dee\u8ba1\u7b97\u4e0e\u53ef\u89c6\u5316\" \/><\/div>\n<p>\u5728\u4e0a\u8ff0\u7ed3\u679c\u4e2d\uff0c\u60a8\u53ef\u4ee5\u89c2\u5bdf\u5230\u5927\u90e8\u5206\u6570\u636e\u90fd\u805a\u96c6\u5728\u5747\u503c\uff0879\u300182\u300184\uff09\u9644\u8fd1\uff0c\u8fd9\u8868\u660e\u5b83\u662f\u4e00\u4e2a\u4f4e\u6807\u51c6\u5dee\u3002<\/p>\n<p>\u4e0b\u9762\u5c55\u793a\u4e00\u4e2a\u9ad8\u6807\u51c6\u5dee\u7684\u4f8b\u5b50\uff1a<\/p>\n<pre class=\"post-pre\"><code>y <span class=\"token operator\">&lt;-<\/span> c<span class=\"token punctuation\">(<\/span><span class=\"token number\">23<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">27<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">30<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">35<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">55<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">76<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">79<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">82<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">84<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">94<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">96<\/span><span class=\"token punctuation\">)<\/span>\r\nmean<span class=\"token punctuation\">(<\/span>y<span class=\"token punctuation\">)<\/span>\r\n<span class=\"token operator\">-<\/span><span class=\"token operator\">-<\/span><span class=\"token operator\">-&gt;<\/span> <span class=\"token number\">61.90909<\/span>\r\nsd<span class=\"token punctuation\">(<\/span>y<span class=\"token punctuation\">)<\/span>\r\n<span class=\"token operator\">-<\/span><span class=\"token operator\">-<\/span><span class=\"token operator\">-&gt;<\/span> <span class=\"token number\">28.45507<\/span>\r\n<\/code><\/pre>\n<p>\u8981\u4f7f\u7528R\u4e2d\u7684ggplot\u7ed8\u5236\u67f1\u72b6\u56fe\u6765\u8868\u793a\u8fd9\u4e9b\u503c\uff0c\u8bf7\u8fd0\u884c\u4ee5\u4e0b\u4ee3\u7801\u3002<\/p>\n<pre class=\"post-pre\"><code>library<span class=\"token punctuation\">(<\/span>ggplot2<span class=\"token punctuation\">)<\/span>\r\n\r\nvalues <span class=\"token operator\">&lt;-<\/span> data.frame<span class=\"token punctuation\">(<\/span>marks<span class=\"token operator\">=<\/span>c<span class=\"token punctuation\">(<\/span><span class=\"token number\">23<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">27<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">30<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">35<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">55<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">76<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">79<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">82<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">84<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">94<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">96<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> students<span class=\"token operator\">=<\/span>c<span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">4<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">5<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">6<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">7<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">8<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">9<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span>\r\nhead<span class=\"token punctuation\">(<\/span>values<span class=\"token punctuation\">)<\/span>                  <span class=\"token comment\">#\u663e\u793a\u8fd9\u4e9b\u503c<\/span>\r\n  marks students\r\n<span class=\"token number\">1<\/span>    <span class=\"token number\">23<\/span>        <span class=\"token number\">0<\/span>\r\n<span class=\"token number\">2<\/span>    <span class=\"token number\">27<\/span>        <span class=\"token number\">1<\/span>\r\n<span class=\"token number\">3<\/span>    <span class=\"token number\">30<\/span>        <span class=\"token number\">2<\/span>\r\n<span class=\"token number\">4<\/span>    <span class=\"token number\">35<\/span>        <span class=\"token number\">3<\/span>\r\n<span class=\"token number\">5<\/span>    <span class=\"token number\">55<\/span>        <span class=\"token number\">4<\/span>\r\n<span class=\"token number\">6<\/span>    <span class=\"token number\">76<\/span>        <span class=\"token number\">5<\/span>\r\nx <span class=\"token operator\">&lt;-<\/span> ggplot<span class=\"token punctuation\">(<\/span>values<span class=\"token punctuation\">,<\/span> aes<span class=\"token punctuation\">(<\/span>x<span class=\"token operator\">=<\/span>marks<span class=\"token punctuation\">,<\/span> y<span class=\"token operator\">=<\/span>students<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token operator\">+<\/span>geom_bar<span class=\"token punctuation\">(<\/span>stat<span class=\"token operator\">=<\/span><span class=\"token string\">'identity'<\/span><span class=\"token punctuation\">)<\/span>\r\nx                             <span class=\"token comment\">#\u663e\u793a\u56fe\u8868<\/span>\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65648ecfa4b2f92e6c733f32\/37-0.png\" alt=\"R\u4e2d\u7684\u6807\u51c6\u5dee\" \/><\/div>\n<p>\u5728\u4e0a\u8ff0\u7ed3\u679c\u4e2d\uff0c\u60a8\u53ef\u4ee5\u770b\u5230\u6570\u636e\u5206\u5e03\u8303\u56f4\u8f83\u5927\u3002\u6700\u4f4e\u5206\u4e3a23\u5206\uff0c\u4e0e\u5e73\u5747\u520661\u5206\u76f8\u5dee\u751a\u8fdc\uff0c\u8fd9\u8868\u660e\u6570\u636e\u5177\u6709\u9ad8\u6807\u51c6\u504f\u5dee\u3002<\/p>\n<p>\u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u60a8\u5df2\u7ecf\u5bf9\u5728R\u8bed\u8a00\u4e2d\u4f7f\u7528sd()\u51fd\u6570\u8ba1\u7b97\u6807\u51c6\u5dee\u6709\u4e86\u76f8\u5f53\u7684\u7406\u89e3\u3002\u8ba9\u6211\u4eec\u901a\u8fc7\u89e3\u51b3\u51e0\u4e2a\u7b80\u5355\u7684\u95ee\u9898\u6765\u603b\u7ed3\u672c\u6559\u7a0b\u3002<\/p>\n<h2>\u793a\u4f8b1\uff1a\u8ba1\u7b971-20\u4e4b\u95f4\uff08\u4e0d\u5305\u62ec1\u548c20\uff09\u7684\u5076\u6570\u7684\u6807\u51c6\u5dee<\/h2>\n<p>\u89e3\u51b3\u65b9\u6848\uff1a1\u523020\u4e4b\u95f4\u7684\u5076\u6570\u4e3a\uff1a<\/p>\n<p>2\u30014\u30016\u30018\u300110\u300112\u300114\u300116\u300118<\/p>\n<p>\u73b0\u5728\u6211\u4eec\u6765\u8ba1\u7b97\u8fd9\u4e9b\u6570\u503c\u7684\u6807\u51c6\u5dee\u3002<\/p>\n<pre class=\"post-pre\"><code>x <span class=\"token operator\">&lt;-<\/span> c<span class=\"token punctuation\">(<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">4<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">6<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">8<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">12<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">14<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">16<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">18<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\">#1\u523020\u4e4b\u95f4\u7684\u5076\u6570\u5217\u8868<\/span>\r\n\r\nsd<span class=\"token punctuation\">(<\/span>x<span class=\"token punctuation\">)<\/span>                           <span class=\"token comment\">#\u8ba1\u7b971\u523020\u4e4b\u95f4\u5076\u6570\u5217\u8868\u4e2d\u8fd9\u4e9b\u503c\u7684\u6807\u51c6\u5dee<\/span>\r\n<\/code><\/pre>\n<p>\u8f93\u51fa\u7ed3\u679c\uff1a5.477226<\/p>\n<hr \/>\n<h2>\u793a\u4f8b2\uff1a\u8ba1\u7b97\u7f8e\u56fd\u4eba\u53e3\u6570\u636e\u7684\u6807\u51c6\u5dee<\/h2>\n<p>\u8ba1\u7b97\u7f8e\u56fd\u5404\u5dde\u4eba\u53e3\u7684\u6807\u51c6\u5dee\u3002\u4e3a\u6b64\uff0c\u6211\u4eec\u9700\u8981\u5bfc\u5165CSV\u6587\u4ef6\u5e76\u8bfb\u53d6\u6570\u503c\uff0c\u8ba1\u7b97\u6807\u51c6\u5dee\uff0c\u5e76\u5728R\u4e2d\u7ed8\u5236\u7ed3\u679c\u7684\u76f4\u65b9\u56fe\u3002<\/p>\n<pre class=\"post-pre\"><code>df<span class=\"token operator\">&lt;-<\/span>read.csv<span class=\"token punctuation\">(<\/span><span class=\"token string\">\"population.csv\"<\/span><span class=\"token punctuation\">)<\/span>      <span class=\"token comment\">#\u8bfb\u53d6CSV\u6587\u4ef6<\/span>\r\ndata<span class=\"token operator\">&lt;-<\/span>df<span class=\"token operator\">$<\/span>X2018.Population           <span class=\"token comment\">#\u4ece\u4eba\u53e3\u5217\u4e2d\u63d0\u53d6\u6570\u636e<\/span>\r\nmean<span class=\"token punctuation\">(<\/span>data<span class=\"token punctuation\">)<\/span>                          <span class=\"token comment\">#\u8ba1\u7b97\u5e73\u5747\u503c<\/span>\r\n                          \r\nView<span class=\"token punctuation\">(<\/span>df<span class=\"token punctuation\">)<\/span>                            <span class=\"token comment\">#\u663e\u793a\u6570\u636e<\/span>\r\nsd<span class=\"token punctuation\">(<\/span>data<span class=\"token punctuation\">)<\/span>                            <span class=\"token comment\">#\u8ba1\u7b97\u6807\u51c6\u5dee<\/span>\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65648ecfa4b2f92e6c733f32\/52-0.png\" alt=\"R\u4e2d\u7684\u6807\u51c6\u5dee\u8ba1\u7b97\" \/><\/div>\n<p>\u8f93\u51fa\u7ed3\u679c\uff1a\u5e73\u5747\u503c = 6432008\uff0c\u6807\u51c6\u5dee = 7376752<\/p>\n<hr \/>\n<h2>\u7ed3\u8bba<\/h2>\n<p>\u5728R\u4e2d\u8ba1\u7b97\u6570\u503c\u7684\u6807\u51c6\u5dee\u975e\u5e38\u7b80\u5355\u3002R\u63d0\u4f9b\u4e86\u6807\u51c6\u51fd\u6570sd()\u6765\u8ba1\u7b97\u6807\u51c6\u5dee\u3002\u60a8\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u6570\u503c\u5217\u8868\u6216\u5bfc\u5165CSV\u6587\u4ef6\u6765\u8ba1\u7b97\u6807\u51c6\u5dee\u3002<\/p>\n<p><strong>\u91cd\u8981\u63d0\u793a\uff1a<\/strong>\u4e0d\u8981\u5fd8\u8bb0\u6839\u636e\u4ee5\u4e0a\u6240\u793a\u7684\u7d22\u5f15\u4ece\u6587\u4ef6\u6216\u5217\u8868\u4e2d\u63d0\u53d6\u76f8\u5e94\u7684\u6570\u503c\u6765\u8ba1\u7b97\u6807\u51c6\u5dee\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5bf9R\u4e2d\u7684sd()\u51fd\u6570\u6709\u4efb\u4f55\u7591\u95ee\uff0c\u8bf7\u5728\u8bc4\u8bba\u6846\u4e2d\u7559\u8a00\u3002\u795d\u5b66\u4e60\u6109\u5feb\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f5c\u4e3a\u4e00\u79cd\u7edf\u8ba1\u8bed\u8a00\uff0cR \u63d0\u4f9b\u4e86\u6807\u51c6\u51fd\u6570 sd() \u6765\u8ba1\u7b97\u6570\u503c\u7684\u6807\u51c6\u5dee\u3002 \u90a3\u4e48\u6807\u51c6\u5dee\u662f\u4ec0\u4e48\u5462\uff1f \u6807\u51c6\u5dee\u662f\u8861\u91cf\u6570\u503c\u79bb [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[1376,586,811,1420,809],"class_list":{"0":"post-460","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-uncategorized","7":"tag-r","9":"tag-811","10":"tag-1420","11":"tag-809"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>R\u8bed\u8a00\u8ba1\u7b97\u6807\u51c6\u5dee\u7684\u5b8c\u6574\u6307\u5357\uff1a\u4ece\u57fa\u7840\u5230\u9ad8\u7ea7\u5e94\u7528 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" 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