{"id":23309,"date":"2024-01-04T16:15:25","date_gmt":"2024-01-04T08:15:25","guid":{"rendered":"http:\/\/www.biocloudservice.com\/wordpress\/?p=23309"},"modified":"2024-01-04T16:15:27","modified_gmt":"2024-01-04T08:15:27","slug":"%e5%b0%8f%e6%9e%9c%e7%94%a8%e9%9a%8f%e6%9c%ba%e6%a3%ae%e6%9e%97%e8%bd%bb%e6%9d%be%e5%b8%ae%e4%bd%a0%e7%ad%9b%e9%80%89%e5%87%ba%e5%85%b3%e9%94%ae%e5%9b%a0%e5%ad%90","status":"publish","type":"post","link":"http:\/\/www.biocloudservice.com\/wordpress\/?p=23309","title":{"rendered":"\u5c0f\u679c\u7528\u968f\u673a\u68ee\u6797\u8f7b\u677e\u5e2e\u4f60\u7b5b\u9009\u51fa\u5173\u952e\u56e0\u5b50"},"content":{"rendered":"

1\u3001\u968f\u673a\u68ee\u6797\u7b80\u4ecb\uff1a<\/strong><\/p>\n

\u201d\u4e09\u4e2a\u81ed\u76ae\u5320\u9876\u4e0a\u4e00\u4e2a\u8bf8\u845b\u4eae\u201c\u975e\u5e38\u9002\u5408\u5f62\u5bb9\u968f\u673a\u68ee\u6797\u3002\u5c0f\u679c\u5728\u8fd9\u91cc\u7b80\u5355\u901a\u4fd7\u7684\u8bf4\u4e00\u4e0b\uff0c\u968f\u673a\u68ee\u6797\u5c31\u662f\u901a\u8fc7\u591a\u4e2a\u51b3\u7b56\u6811\u6a21\u578b\uff08\u68ee\u6797\uff09\u7ec4\u6210\u7684\u96c6\u6210\u7b97\u6cd5\uff0c\u51b3\u7b56\u6811\u5404\u4e0d\u76f8\u540c\uff0c\u662f\u968f\u673a\u4ece\u6837\u672c\u4e2d\u62bd\u53d6\u4e00\u90e8\u5206\u7ec4\u6210\u7684\uff0c\u6bcf\u4e2a\u51b3\u7b56\u6811\u867d\u7136\u662f\u4e00\u4e2a\u5f31\u7684\u5206\u7c7b\u5668\uff0c\u90fd\u628a\u4ed6\u4eec\u6700\u4f18\u7684\u90e8\u5206\u96c6\u6210\u5728\u4e00\u5757\uff0c\u5c31\u5f62\u6210\u4e86\u4e00\u4e2a\u5f3a\u5206\u7c7b\u5668\u3002<\/p>\n

2\u3001\u968f\u673a\u68ee\u6797\u7684\u4f5c\u7528\uff1a<\/strong><\/p>\n

\u5c31\u6211\u4eec\u751f\u7269\u4fe1\u606f\u5b66\u800c\u8a00\uff0c\u968f\u673a\u68ee\u6797\u5728\u5206\u7c7b\uff08\u4e8c\u5206\u7c7b\uff09\u4e2d\u53d1\u6325\u7740\u5341\u5206\u91cd\u8981\u7684\u4f5c\u7528\u3002\u4f8b\u5982\uff0c\u5927\u5bb6\u60f3\u5bfb\u627e\u4e00\u4e9b\u5728\u764c\u75c7\u4e2d\u53d1\u6325\u91cd\u8981\u529f\u80fd\u7684\u57fa\u56e0\uff0c\u53ea\u8981\u6709\u4e24\u7ec4\u6570\u636e\uff0c\u6bd4\u5982\u8fd9\u4e9b\u57fa\u56e0\u5728\u764c\u75c7\u548c\u764c\u65c1\u7684\u8868\u8fbe\u6570\u636e\u5c31\u53ef\u4ee5\u8fdb\u884c\u5206\u6790\uff0c\u5c0f\u679c\u5c31\u53ef\u4ee5\u5e2e\u5927\u5bb6\u5b9e\u73b0\uff1b\u518d\u6bd4\u5982\u5927\u5bb6\u60f3\u627e\u51fa\u4e00\u4e9b\u5728\u7ec6\u80de\u589e\u6b96\u3001\u5206\u5316\u8fc7\u7a0b\u4e2d\u6bd4\u8f83\u91cd\u8981\u7684\u56e0\u5b50\uff0c\u53ea\u8981\u6709\u8fd9\u4e9b\u56e0\u5b50\u5728\u8fd9\u4e24\u4e2a\u65f6\u671f\u7684\u8868\u8fbe\u6570\u636e\uff0c\u5c0f\u679c\u4e5f\u53ef\u4ee5\u5e2e\u5927\u5bb6\u5b9e\u73b0\uff01\uff01\u8fd9\u4e48\u597d\u7528\u7684\u5de5\u5177\uff0c\u8fd8\u7b49\u4ec0\u4e48\uff0c\u8d76\u5feb\u8ddf\u7740\u5c0f\u679c\u5b66\u8d77\u6765\u5427\uff01\uff01\uff01<\/p>\n

3\u3001\u968f\u673a\u68ee\u6797\u5177\u4f53\u64cd\u4f5c\u4ee3\u7801<\/strong><\/p>\n

rm(list = ls())<\/p>\n

library(“randomForest”)<\/p>\n

########\u8bbe\u7f6e\u4e00\u4e2a\u79cd\u5b50<\/p>\n

set.seed(1243)<\/p>\n

#################\u8bfb\u53d6\u6570\u636e<\/p>\n

data = read.csv(“lncRNAdatas.csv”,header = T,row.names = 1)<\/p>\n

#############\u6570\u636e\u683c\u5f0f<\/p>\n

<\/p>\n

########\u968f\u673a\u68ee\u6797\u4ee3\u7801\u8bfb\u5165,\u5e76\u7ed8\u5236\u968f\u673a\u68ee\u6797\u56fe\u7247<\/p>\n

rf = randomForest(as.factor(data$Group)~.,data=data,importance=T,proximity=T,ntree=500)<\/p>\n

plot(rf,main=”Romdom Forest”,lwd=2)<\/p>\n

<\/p>\n

#########\u5bfb\u627e\u8bef\u5dee\u6700\u5c0f\u7684trees<\/p>\n

optionTrees = which.min(rf$err.rate[,1])<\/p>\n

rf2 = randomForest(as.factor(data$Group)~.,data=data,importance=T,proximity=T,ntree= optionTrees)<\/p>\n

#########\u67e5\u770b\u57fa\u56e0\u91cd\u8981\u6027,\u5e76\u7ed8\u56fe<\/p>\n

importance = importance(x=rf2)<\/p>\n

varImpPlot(rf2,main=””)<\/p>\n

<\/p>\n

\u770b\u5b8c\u5c0f\u679c\u7684\u4ee3\u7801\u4e4b\u540e\uff0c\u662f\u4e0d\u662f\u89c9\u5f97\u7279\u522b\u7b80\u5355\uff01\u8d76\u5feb\u884c\u52a8\u8d77\u6765\u5427\uff01\uff01\u5982\u679c\u6709\u4ec0\u4e48\u4e0d\u660e\u767d\u7684\u5730\u65b9\uff0c\u6b22\u8fce\u6765\u548c\u5c0f\u679c\u8ba8\u8bba\u54e6\uff01\uff01\uff01<\/em><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

1\u3001\u968f\u673a\u68ee\u6797\u7b80\u4ecb\uff1a \u201d\u4e09\u4e2a\u81ed\u76ae\u5320\u9876\u4e0a\u4e00\u4e2a\u8bf8\u845b\u4eae\u201c\u975e\u5e38\u9002\u5408\u5f62\u5bb9\u968f\u673a\u68ee\u6797\u3002\u5c0f\u679c\u5728\u8fd9\u91cc\u7b80\u5355\u901a\u4fd7\u7684\u8bf4\u4e00\u4e0b\uff0c\u968f\u673a\u68ee\u6797\u5c31\u662f […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":""},"categories":[1],"tags":[],"jetpack_featured_media_url":"","_links":{"self":[{"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/23309"}],"collection":[{"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=23309"}],"version-history":[{"count":1,"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/23309\/revisions"}],"predecessor-version":[{"id":23342,"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/23309\/revisions\/23342"}],"wp:attachment":[{"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=23309"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=23309"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=23309"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}