{"id":7349,"date":"2024-03-29T10:01:02","date_gmt":"2024-03-29T02:01:02","guid":{"rendered":""},"modified":"2024-03-29T10:01:02","modified_gmt":"2024-03-29T02:01:02","slug":"R\u8bed\u8a00\u7ed8\u5236\u6821\u6b63\u534f\u53d8\u91cf\u540e\u7684ROC\u66f2\u7ebf","status":"publish","type":"post","link":"https:\/\/mushiming.com\/7349.html","title":{"rendered":"R\u8bed\u8a00\u7ed8\u5236\u6821\u6b63\u534f\u53d8\u91cf\u540e\u7684ROC\u66f2\u7ebf"},"content":{"rendered":"<p><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"display: none;\"> \n <path stroke-linecap=\"round\" d=\"M5,0 0,2.5 5,5z\" id=\"raphael-marker-block\" style=\"-webkit-tap-highlight-color: rgba(0, 0, 0, 0);\"><\/path> \n<\/svg> <\/p>\n<p>ROC\u66f2\u7ebf\u4e5f\u53eb\u53d7\u8bd5\u8005\u5de5\u4f5c\u66f2\u7ebf\uff0c\u539f\u6765\u7528\u5728\u519b\u4e8b\u96f7\u8fbe\u4e2d\uff0c\u540e\u9762\u5e7f\u6cdb\u5e94\u7528\u4e8e\u533b\u5b66\u7edf\u8ba1\u4e2d\u3002ROC\u66f2\u7ebf\u662f\u6839\u636e\u4e00\u7cfb\u5217\u4e0d\u540c\u7684\u4e8c\u5206\u7c7b\u65b9\u5f0f(\u5206\u754c\u503c\u6216\u51b3\u5b9a\u9608)\uff0c\u4ee5\u771f\u9633\u6027\u7387(\u7075\u654f\u5ea6)\u4e3a\u7eb5\u5750\u6807\uff0c\u5047\u9633\u6027\u7387(1-\u7279\u5f02\u5ea6)\u4e3a\u6a2a\u5750\u6807\u7ed8\u5236\u7684\u66f2\u7ebf\u3002<br \/> ROC\u66f2\u7ebf\u4e3b\u8981\u5e94\u7528\u4e8e\u4e8c\u5206\u7c7b\u7ed3\u5c40\uff0c\u6bd4\u5982\u662f\u5426\u6b7b\u4ea1\uff0c\u75be\u75c5\u8bca\u65ad\uff0c\u80bf\u7624\u590d\u53d1\u7b49\u7b49\uff0c\u53ef\u4ee5\u7528\u4e8e\u81ea\u53d8\u91cf\u4e3a\u8fde\u7eed\u53d8\u91cf\u7684\u622a\u70b9\u5224\u5b9a\u3002<br \/> <img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/753b1a182ab74fb39649d6f6283f15c0.png\" =\"\" =\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" alt=\"R\u8bed\u8a00\u7ed8\u5236\u6821\u6b63\u534f\u53d8\u91cf\u540e\u7684ROC\u66f2\u7ebf (https:\/\/mushiming.com\/)  \u7b2c1\u5f20\" title=\"R\u8bed\u8a00\u7ed8\u5236\u6821\u6b63\u534f\u53d8\u91cf\u540e\u7684ROC\u66f2\u7ebf  \u7b2c1\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><br \/> \u76ee\u524d\u6709\u90e8\u5206SCI\u6587\u7ae0\u4e2d\u4f7f\u7528\u4e86\u6821\u6b63\u534f\u53d8\u91cf\u7684ROC\u66f2\u7ebf\uff0c\u540e\u53f0\u6709\u7c89\u4e1d\u95ee\u6821\u6b63\u534f\u53d8\u91cf\u7684ROC\u66f2\u7ebf\u600e\u4e48\u505a\uff0c\u4eca\u5929\u6211\u4eec\u6765\u6f14\u793a\u4e00\u4e0b\uff0c\u4f7f\u7528\u7684\u662f\u4e00\u4e2a\u80be\u79fb\u690d\u7684\u6570\u636e\uff08\u516c\u4f17\u53f7\u56de\u590d\uff1a\u80be\u79fb\u690d\u6570\u636e\uff0c\u53ef\u4ee5\u83b7\u5f97\u8be5\u6570\u636e\uff09\uff0c\u6211\u4eec\u5148\u5bfc\u5165\u6570\u636e\u548cR\u5305\u770b\u4e00\u4e0b\u770b<\/p>\n<pre class=\"language-java prettyprint linenums\"><code class=\"prism language-r\">library<span class=\"token punctuation\">(<\/span>RISCA<span class=\"token punctuation\">)<\/span>\ndataDIVAT3<span class=\"token operator\">&lt;-<\/span>read.csv<span class=\"token punctuation\">(<\/span><span class=\"token string\">\"E:\/r\/test\/shenyizhi.csv\"<\/span><span class=\"token punctuation\">,<\/span>sep<span class=\"token operator\">=<\/span><span class=\"token string\">','<\/span><span class=\"token punctuation\">,<\/span>header<span class=\"token operator\">=<\/span><span class=\"token boolean\">TRUE<\/span><span class=\"token punctuation\">)<\/span> \n<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/1bb8e94426ee4006bef181bcb8f9a438.png\" =\"\" =\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" alt=\"R\u8bed\u8a00\u7ed8\u5236\u6821\u6b63\u534f\u53d8\u91cf\u540e\u7684ROC\u66f2\u7ebf (https:\/\/mushiming.com\/)  \u7b2c2\u5f20\" title=\"R\u8bed\u8a00\u7ed8\u5236\u6821\u6b63\u534f\u53d8\u91cf\u540e\u7684ROC\u66f2\u7ebf  \u7b2c2\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><br \/> \u8fd9\u662f\u4e00\u4e2a4267 \u540d\u6cd5\u56fd\u80be\u79fb\u690d\u53d7\u8005\u7684\u6570\u636e\uff0cageR\uff1a\u63a5\u53d7\u80be\u79fb\u690d\u60a3\u8005\u5e74\u9f84\uff0csexeR\uff1a\u60a3\u8005\u6027\u522b\uff0cyear.tx\uff1a\u80be\u79fb\u690d\u7684\u65f6\u95f4\uff0cante.diab\uff1a\u662f\u5426\u6709\u7cd6\u5c3f\u75c5\uff0cpra\uff1a\u60a3\u8005\u79fb\u690d\u524d\u7684\u514d\u75ab\u53cd\u5e94\uff081 = \u53ef\u68c0\u6d4b\uff0c0 = \u4e0d\u53ef\u68c0\u6d4b\uff09\uff0cageD\uff1a\u6350\u732e\u80be\u810f\u7684\u6350\u732e\u8005\u7684\u5e74\u9f84\uff0cdeath.time;\u751f\u5b58\u65f6\u95f4\uff0cdeath\uff1a\u6b7b\u4ea1\uff0c\u7ed3\u5c40\u53d8\u91cf<br \/> \u6211\u4eec\u53d6\u4e00\u90e8\u5206\u6570\u636e\u6765\u5206\u6790\uff0c\u8fd9\u6837\u6570\u636e\u6ca1\u6709\u8fd9\u4e48\u5927\uff0c\u597d\u5206\u6790\u4e00\u70b9<\/p>\n<pre class=\"language-java prettyprint linenums\"><code class=\"prism language-r\">dataDIVAT3 <span class=\"token operator\">&lt;-<\/span> dataDIVAT3<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token operator\">:<\/span><span class=\"token number\">400<\/span><span class=\"token punctuation\">,<\/span><span class=\"token punctuation\">]<\/span>\n<\/code><\/pre>\n<p>\u5047\u8bbe\u6211\u4eec\u60f3\u77e5\u9053\u60a3\u8005\u5e74\u9f84\u548c\u6b7b\u4ea1\u7684ROC\u5173\u7cfb\uff0c\u6211\u4eec\u5148\u6765\u4e2a\u6ca1\u6709\u8fdb\u884c\u6821\u6b63\u7684ROC\uff0cconfounders\u662f\u6df7\u6742\u56e0\u7d20\u7684\u610f\u601d\uff0c\u6ca1\u6709\u6821\u6b63\u7684\u65f6\u5019\u8fd9\u91cc\u586b\u51651\uff0cprecision\u662fROC\u66f2\u7ebf\u7684\u6b65\u957f\uff0c\u4e00\u822c\u90fd\u662f\u56fa\u5b9a\u7684<\/p>\n<pre class=\"language-java prettyprint linenums\"><code class=\"prism language-r\">roc1 <span class=\"token operator\">&lt;-<\/span> roc.binary<span class=\"token punctuation\">(<\/span>status<span class=\"token operator\">=<\/span><span class=\"token string\">\"death\"<\/span><span class=\"token punctuation\">,<\/span> variable<span class=\"token operator\">=<\/span><span class=\"token string\">\"ageR\"<\/span><span class=\"token punctuation\">,<\/span> confounders<span class=\"token operator\">=<\/span><span class=\"token operator\">~<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span>\n                   data<span class=\"token operator\">=<\/span>dataDIVAT3<span class=\"token punctuation\">,<\/span> precision<span class=\"token operator\">=<\/span>seq<span class=\"token punctuation\">(<\/span><span class=\"token number\">0.1<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">0.9<\/span><span class=\"token punctuation\">,<\/span> by<span class=\"token operator\">=<\/span><span class=\"token number\">0.1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">)<\/span>\n<\/code><\/pre>\n<p>\u7ed8\u56fe<\/p>\n<pre class=\"language-java prettyprint linenums\"><code class=\"prism language-r\">plot<span class=\"token punctuation\">(<\/span>roc1<span class=\"token punctuation\">,<\/span> xlab<span class=\"token operator\">=<\/span><span class=\"token string\">\"1-specificity\"<\/span><span class=\"token punctuation\">,<\/span> ylab<span class=\"token operator\">=<\/span><span class=\"token string\">\"sensibility\"<\/span><span class=\"token punctuation\">)<\/span>\n<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/7777a64a17f04b0c825e76d44f75d4b9.png\" =\"\" =\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" alt=\"R\u8bed\u8a00\u7ed8\u5236\u6821\u6b63\u534f\u53d8\u91cf\u540e\u7684ROC\u66f2\u7ebf (https:\/\/mushiming.com\/)  \u7b2c3\u5f20\" title=\"R\u8bed\u8a00\u7ed8\u5236\u6821\u6b63\u534f\u53d8\u91cf\u540e\u7684ROC\u66f2\u7ebf  \u7b2c3\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><br \/> \u5047\u8bbe\u6211\u4eec\u60f3\u5bf9\u60a3\u8005\u6027\u522b\u548c\u6350\u732e\u8005\u5e74\u9f84\u8fd9\u4e24\u4e2a\u6307\u6807\u8fdb\u884c\u6821\u6b63\uff0c\u6821\u6b63\u7684\u601d\u60f3\u4e3b\u8981\u662f\u901a\u8fc7\u9006\u6982\u7387\u52a0\u6743\uff0c\u751f\u4e00\u4e2a\u52a0\u6743\u540e\u7684\u6807\u51c6\u5316\u5e74\u9f84\u6307\u6807\u8fdb\u884c\u6821\u51c6\uff0c\u5148\u5efa\u7acb\u6a21\u578b<\/p>\n<pre class=\"language-java prettyprint linenums\"><code class=\"prism language-r\">lm1 <span class=\"token operator\">&lt;-<\/span> lm<span class=\"token punctuation\">(<\/span>ageR <span class=\"token operator\">~<\/span> ageD <span class=\"token operator\">+<\/span> sexeR<span class=\"token punctuation\">,<\/span> data<span class=\"token operator\">=<\/span>dataDIVAT3<span class=\"token punctuation\">[<\/span>dataDIVAT3<span class=\"token operator\">$<\/span>death <span class=\"token operator\">==<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span>\n<\/code><\/pre>\n<p>\u751f\u6210\u6821\u6b63\u540e\u7684\u6807\u51c6\u5316\u5e74\u9f84\u6307\u6807<\/p>\n<pre class=\"language-java prettyprint linenums\"><code class=\"prism language-r\">dataDIVAT3<span class=\"token operator\">$<\/span>ageR_std <span class=\"token operator\">&lt;-<\/span> <span class=\"token punctuation\">(<\/span>dataDIVAT3<span class=\"token operator\">$<\/span>ageR <span class=\"token operator\">-<\/span> <span class=\"token punctuation\">(<\/span>lm1<span class=\"token operator\">$<\/span>coef<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">+<\/span> lm1<span class=\"token operator\">$<\/span>coef<span class=\"token punctuation\">[<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">*<\/span>\n                                             dataDIVAT3<span class=\"token operator\">$<\/span>ageD <span class=\"token operator\">+<\/span> lm1<span class=\"token operator\">$<\/span>coef<span class=\"token punctuation\">[<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">*<\/span> dataDIVAT3<span class=\"token operator\">$<\/span>sexeR<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">\/<\/span> sd<span class=\"token punctuation\">(<\/span>lm1<span class=\"token operator\">$<\/span>residuals<span class=\"token punctuation\">)<\/span>\n<\/code><\/pre>\n<p>\u751f\u6210ROC\u6570\u636e<\/p>\n<pre class=\"language-java prettyprint linenums\"><code class=\"prism language-r\">roc2 <span class=\"token operator\">&lt;-<\/span> roc.binary<span class=\"token punctuation\">(<\/span>status<span class=\"token operator\">=<\/span><span class=\"token string\">\"death\"<\/span><span class=\"token punctuation\">,<\/span> variable<span class=\"token operator\">=<\/span><span class=\"token string\">\"ageR_std\"<\/span><span class=\"token punctuation\">,<\/span>\n                   confounders<span class=\"token operator\">=<\/span><span class=\"token operator\">~<\/span>bs<span class=\"token punctuation\">(<\/span>ageD<span class=\"token punctuation\">,<\/span> df<span class=\"token operator\">=<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">+<\/span> sexeR<span class=\"token punctuation\">,<\/span> data<span class=\"token operator\">=<\/span>dataDIVAT3<span class=\"token punctuation\">,<\/span> precision<span class=\"token operator\">=<\/span>seq<span class=\"token punctuation\">(<\/span><span class=\"token number\">0.1<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">0.9<\/span><span class=\"token punctuation\">,<\/span> by<span class=\"token operator\">=<\/span><span class=\"token number\">0.1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span>\n<\/code><\/pre>\n<p>\u6700\u540e\u7ed8\u56fe<\/p>\n<pre class=\"language-java prettyprint linenums\"><code class=\"prism language-r\">plot<span class=\"token punctuation\">(<\/span>roc2<span class=\"token punctuation\">,<\/span> col<span class=\"token operator\">=<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> pch<span class=\"token operator\">=<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> lty<span class=\"token operator\">=<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> type<span class=\"token operator\">=<\/span><span class=\"token string\">\"b\"<\/span><span class=\"token punctuation\">,<\/span> xlab<span class=\"token operator\">=<\/span><span class=\"token string\">\"1-specificity\"<\/span><span class=\"token punctuation\">,<\/span> ylab<span class=\"token operator\">=<\/span><span class=\"token string\">\"sensibility\"<\/span><span class=\"token punctuation\">)<\/span>\nlines<span class=\"token punctuation\">(<\/span>roc1<span class=\"token punctuation\">,<\/span> col<span class=\"token operator\">=<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> pch<span class=\"token operator\">=<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> type<span class=\"token operator\">=<\/span><span class=\"token string\">\"b\"<\/span><span class=\"token punctuation\">)<\/span>\nlegend<span class=\"token punctuation\">(<\/span><span class=\"token string\">\"bottomright\"<\/span><span class=\"token punctuation\">,<\/span> lty<span class=\"token operator\">=<\/span><span class=\"token number\">1<\/span><span class=\"token operator\">:<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> lwd<span class=\"token operator\">=<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> pch<span class=\"token operator\">=<\/span><span class=\"token number\">1<\/span><span class=\"token operator\">:<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> col<span class=\"token operator\">=<\/span><span class=\"token number\">1<\/span><span class=\"token operator\">:<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span>\n       c<span class=\"token punctuation\">(<\/span>paste<span class=\"token punctuation\">(<\/span><span class=\"token string\">\"Crude estimation, (AUC=\"<\/span><span class=\"token punctuation\">,<\/span> round<span class=\"token punctuation\">(<\/span>roc1<span class=\"token operator\">$<\/span>auc<span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">\")\"<\/span><span class=\"token punctuation\">,<\/span> sep<span class=\"token operator\">=<\/span><span class=\"token string\">\"\"<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span>\n         paste<span class=\"token punctuation\">(<\/span><span class=\"token string\">\"Adjusted estimation, (AUC=\"<\/span><span class=\"token punctuation\">,<\/span> round<span class=\"token punctuation\">(<\/span>roc2<span class=\"token operator\">$<\/span>auc<span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">\")\"<\/span><span class=\"token punctuation\">,<\/span> sep<span class=\"token operator\">=<\/span><span class=\"token string\">\"\"<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">)<\/span>\n<\/code><\/pre>\n<p><img decoding=\"async\" src=\"https:\/\/img-blog.csdnimg.cn\/7041cf5d6a0840bc82df25238b26ddfa.png\" =\"\" =\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" alt=\"R\u8bed\u8a00\u7ed8\u5236\u6821\u6b63\u534f\u53d8\u91cf\u540e\u7684ROC\u66f2\u7ebf (https:\/\/mushiming.com\/)  \u7b2c4\u5f20\" title=\"R\u8bed\u8a00\u7ed8\u5236\u6821\u6b63\u534f\u53d8\u91cf\u540e\u7684ROC\u66f2\u7ebf  \u7b2c4\u5f20-\u7a46\u4e16\u660e\u535a\u5ba2\" ><br \/> \u53ef\u4ee5\u770b\u51fa\uff0c\u7ecf\u8fc7\u6821\u6b63\u540e\uff0cAUC\u9762\u79ef\u548c\u66f2\u7ebf\u53d8\u5316\u5e76\u4e0d\u5927\uff0c\u8bf4\u660e\u8bf4\u660e\u6821\u51c6\u56e0\u7d20\u5f71\u54cd\u5f88\u5c0f\uff0c\u652f\u6301\u4e86\u539f\u7ed3\u8bba\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"R\u8bed\u8a00\u7ed8\u5236\u6821\u6b63\u534f\u53d8\u91cf\u540e\u7684ROC\u66f2\u7ebf\u8fd9\u662f\u4e00\u4e2a4267\u540d\u6cd5\u56fd\u80be\u79fb\u690d\u53d7\u8005\u7684\u6570\u636e\uff0cageR\u63a5\u53d7\u80be\u79fb\u690d\u60a3\u8005\u5e74\u9f84\uff0csexeR\u60a3\u8005\u6027\u522b\uff0cyear.tx\u80be\u79fb...","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"_links":{"self":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/posts\/7349"}],"collection":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/comments?post=7349"}],"version-history":[{"count":0,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/posts\/7349\/revisions"}],"wp:attachment":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/media?parent=7349"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/categories?post=7349"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/tags?post=7349"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}