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border-box;\">\u7279\u5f81\u9009\u62e9<\/p>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"text-align: left;justify-content: flex-start;margin: 20px 0px 10px;display: flex;flex-flow: row;box-sizing: border-box;\">\n<section style=\"display: inline-block;width: auto;vertical-align: top;background-color: rgb(255, 238, 211);min-width: 10%;max-width: 100%;flex: 0 0 auto;height: auto;align-self: flex-start;box-sizing: border-box;\">\n<section style=\"color: rgb(32, 70, 126);text-align: center;letter-spacing: 1.2px;padding: 0px 20px;box-sizing: border-box;\">\n<p style=\"margin: 0px;padding: 0px;box-sizing: border-box;\">\u6a21\u578b\u6784\u5efa\u53ca\u4f18\u5316<\/p>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"text-align: left;justify-content: flex-start;margin: 20px 0px 10px;display: flex;flex-flow: row;box-sizing: border-box;\">\n<section style=\"display: inline-block;width: auto;vertical-align: top;background-color: rgb(255, 238, 211);min-width: 10%;max-width: 100%;flex: 0 0 auto;height: auto;align-self: flex-start;box-sizing: border-box;\">\n<section style=\"color: rgb(32, 70, 126);text-align: center;letter-spacing: 1.2px;padding: 0px 20px;box-sizing: border-box;\">\n<p style=\"margin: 0px;padding: 0px;box-sizing: border-box;\">\u53d8\u91cf\u91cd\u8981\u6027\u8bc4\u4f30<\/p>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"text-align: left;justify-content: flex-start;margin: 20px 0px 10px;display: flex;flex-flow: row;box-sizing: border-box;\">\n<section style=\"display: inline-block;width: auto;vertical-align: top;background-color: rgb(255, 238, 211);min-width: 10%;max-width: 100%;flex: 0 0 auto;height: auto;align-self: flex-start;box-sizing: border-box;\">\n<section style=\"color: rgb(32, 70, 126);text-align: center;letter-spacing: 1.2px;padding: 0px 20px;box-sizing: border-box;\">\n<p style=\"margin: 0px;padding: 0px;box-sizing: border-box;\">\u5176\u4ed6\u51fd\u6570\u90e8\u5206<\/p>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"padding: 0px 10px;box-sizing: border-box;\">\n<p style=\"white-space: normal;margin: 0px;padding: 0px;box-sizing: border-box;\">\u5e76\u4e14\u5df2\u7ecf\u8be6\u7ec6\u4ecb\u7ecd\u4e86\u6570\u636e\u62c6\u5206\u3001\u6570\u636e\u9884\u5904\u7406\u548c\u6a21\u578b\u6784\u5efa\u53ca\u4f18\u5316\u7b49\u90e8\u5206\uff0c\u90a3\u4e48\u8fd9\u4e00\u6b21\uff0c\u5927\u6d77\u54e5\u5c31\u63a5\u7740\u7ee7\u7eed\u4ecb\u7ecdcaret\u5305\u7684\u5176\u4ed6\u529f\u80fd\u3002<br style=\"box-sizing: border-box;\" \/>\u91cd\u65b0\u5f00\u59cb\u610f\u5473\u7740\u8981\u91cd\u65b0\u52a0\u8f7d~<\/p>\n<\/section>\n<section style=\"text-align: left;justify-content: flex-start;margin: 20px 0px 10px;display: flex;flex-flow: row;box-sizing: border-box;\">\n<section style=\"display: inline-block;width: auto;vertical-align: top;background-color: rgb(59, 149, 115);min-width: 10%;max-width: 100%;flex: 0 0 auto;height: auto;align-self: flex-start;box-sizing: border-box;\">\n<section style=\"color: rgb(245, 245, 245);text-align: center;letter-spacing: 1.2px;padding: 0px 20px;box-sizing: border-box;\">\n<p style=\"margin: 0px;padding: 0px;box-sizing: border-box;\"><strong style=\"box-sizing: border-box;\">\u8f7d\u5165\u5305\u548c\u6570\u636e<\/strong><\/p>\n<\/section>\n<\/section>\n<\/section>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">library(caret)<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"><span class=\"code-snippet__comment\" style=\"box-sizing: border-box;\">## \u8f7d\u5165\u9700\u8981\u7684\u7a0b\u8f91\u5305\uff1aggplot2<\/span><\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"><span class=\"code-snippet__comment\" style=\"box-sizing: border-box;\">## \u8f7d\u5165\u9700\u8981\u7684\u7a0b\u8f91\u5305\uff1alattice<\/span><\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> data(iris)<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">iris <- na.omit(iris)<\/span><\/code><\/pre>\n<\/section>\n<section style=\"text-align: left;justify-content: flex-start;margin: 20px 0px 10px;display: flex;flex-flow: row;box-sizing: border-box;\">\n<section style=\"display: inline-block;width: auto;vertical-align: top;background-color: rgb(59, 149, 115);min-width: 10%;max-width: 100%;flex: 0 0 auto;height: auto;align-self: flex-start;box-sizing: border-box;\">\n<section style=\"color: rgb(245, 245, 245);text-align: center;letter-spacing: 1.2px;padding: 0px 20px;box-sizing: border-box;\">\n<p style=\"margin: 0px;padding: 0px;box-sizing: border-box;\"><strong style=\"box-sizing: border-box;\">\u4e0d\u540c\u6a21\u578b\u7684\u6bd4\u8f83<\/strong><\/p>\n<\/section>\n<\/section>\n<\/section>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"><span class=\"code-snippet__comment\" style=\"box-sizing: border-box;\">#\u8bbe\u7f6e\u91cd\u62bd\u6837\u65b9\u5f0f<\/span><\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">fitControl <- trainControl(method = <span class=\"code-snippet__string\" style=\"box-sizing: border-box;\">\"cv\"<\/span>,<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> number = <span class=\"code-snippet__number\" style=\"box-sizing: border-box;\">10<\/span>,<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">allowParallel = <span class=\"code-snippet__literal\" style=\"box-sizing: border-box;\">TRUE<\/span>)<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"><span class=\"code-snippet__comment\" style=\"box-sizing: border-box;\">#\u5efa\u7acbgbm\u6a21\u578b<\/span><\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">set.seed(<span class=\"code-snippet__number\" style=\"box-sizing: border-box;\">1<\/span>)<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">gbmFit<- train(factor(Species) ~ ., <\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> data = iris, <\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> method = <span class=\"code-snippet__string\" style=\"box-sizing: border-box;\">\"gbm\"<\/span>, <\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> trControl = fitControl,<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> verbose = <span class=\"code-snippet__literal\" style=\"box-sizing: border-box;\">FALSE<\/span>)<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\"><br \/><\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"><span class=\"code-snippet__comment\" style=\"box-sizing: border-box;\">#\u5efa\u7acbxgboost\u6a21\u578b<\/span><\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">xgbFit <- train(factor(Species) ~ ., <\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> data = iris, <\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> method = <span class=\"code-snippet__string\" style=\"box-sizing: border-box;\">\"xgbTree\"<\/span>, <\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> trControl = fitControl,<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> verbose = <span class=\"code-snippet__literal\" style=\"box-sizing: border-box;\">FALSE<\/span>,<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> verbosity = <span class=\"code-snippet__number\" style=\"box-sizing: border-box;\">0<\/span>)<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"><span class=\"code-snippet__comment\" style=\"box-sizing: border-box;\">#\u5efa\u7acb\u968f\u673a\u68ee\u6797\u6a21\u578b<\/span><\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">rffit <- train(factor(Species) ~ ., <\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> data = iris, <\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> method = <span class=\"code-snippet__string\" style=\"box-sizing: border-box;\">\"rf\"<\/span>, <\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> trControl = fitControl,<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> verbose = <span class=\"code-snippet__literal\" style=\"box-sizing: border-box;\">FALSE<\/span>)<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"><span class=\"code-snippet__comment\" style=\"box-sizing: border-box;\">#\u8fd9\u79cd\u6a21\u578b\u6784\u5efa\u65b9\u5f0f\u662f\u4e0d\u662f\u5f88\u7b80\u5355\uff01\uff01<\/span><\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"><span class=\"code-snippet__comment\" style=\"box-sizing: border-box;\">#\u91cd\u91c7\u6837\u6d4b\u8bd5\u8fdb\u884c\u7ed3\u679c\u5bf9\u6bd4<\/span><\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">resamps <- resamples(<span class=\"code-snippet__built_in\" style=\"box-sizing: border-box;\">list<\/span>(GBM = gbmFit,<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> XGB =xgbFit,<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> RF = rffit<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> ))<\/span><\/code><\/pre>\n<\/section>\n<p style=\"white-space: normal;margin: 0px;padding: 0px;box-sizing: border-box;\">\u6a21\u578b\u6bd4\u8f83\u6982\u51b5<\/p>\n<p style=\"white-space: normal;margin: 0px;padding: 0px;box-sizing: border-box;\">summary(resamps)<\/p>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;box-sizing: border-box;\">\n<section style=\"max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.5350553505535055\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/1_YRuqMibPd39fusB57aN6oTppKpYFtg.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/YHGRXkSxjSSk7ZoWicdVQOicVXLzha1aDPWx3icHVW3uNpE1PibCf2uDNUoGGYRuqMibPd39fusB57aN6oTppKpYFtg\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"542\" style=\"vertical-align: middle;max-width: 100%;width: 100%;box-sizing: border-box;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<p style=\"white-space: normal;margin: 0px;padding: 0px;box-sizing: border-box;\">\u53ef\u89c6\u5316\u770b\u770b\u7ed3\u679c<br style=\"box-sizing: border-box;\" \/>bwplot(resamps)<\/p>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;box-sizing: border-box;\">\n<section style=\"max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.9832535885167464\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/2_QYias8sw6N7DTArVulJDFz1fsMoTXA.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/YHGRXkSxjSSk7ZoWicdVQOicVXLzha1aDPQcWCKvptvlFhoYcVQEmINGVCOQYias8sw6N7DTArVulJDFz1fsMoTXA\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"418\" style=\"vertical-align: middle;max-width: 100%;width: 100%;box-sizing: border-box;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<section style=\"padding: 0px 10px;box-sizing: border-box;\">\n<p style=\"white-space: normal;margin: 0px;padding: 0px;box-sizing: border-box;\">\u7ed3\u679c\u663e\u793aXGB\u6700\u5f3a\uff0c\u4e0d\u6127\u662fXGBoost\uff01\u9884\u6d4b\u9e22\u5c3e\u82b1\u4e5f\u4e0d\u670d\u8f93~<br style=\"box-sizing: border-box;\" \/>\u53ef\u4ee5\u770b\u51facaret\u5305\u6784\u5efa\u6a21\u578b\u7684\u4ee3\u7801\u6d41\u7a0b\u5341\u5206\u7b80\u5355\u4fbf\u6377\uff0c\u53ea\u9700\u8981\u63d0\u4f9b\u4e00\u4e9b\u5173\u952e\u53c2\u6570\u5373\u53ef\uff0c\u5b9e\u4e43\u840c\u65b0\u597d\u52a9\u624b\uff01\uff01<\/p>\n<\/section>\n<section style=\"text-align: left;justify-content: flex-start;margin: 20px 0px 10px;display: flex;flex-flow: row;box-sizing: border-box;\">\n<section style=\"display: inline-block;width: auto;vertical-align: top;background-color: rgb(59, 149, 115);min-width: 10%;max-width: 100%;flex: 0 0 auto;height: auto;align-self: flex-start;box-sizing: border-box;\">\n<section style=\"color: rgb(245, 245, 245);text-align: center;letter-spacing: 1.2px;padding: 0px 20px;box-sizing: border-box;\">\n<p style=\"margin: 0px;padding: 0px;box-sizing: border-box;\"><strong style=\"box-sizing: border-box;\">\u7279\u5f81\u63d0\u53d6<\/strong><\/p>\n<\/section>\n<\/section>\n<\/section>\n<p style=\"white-space: normal;margin: 0px;padding: 0px;box-sizing: border-box;\">1\u3001\u8fc7\u6ee4\u6cd5<\/p>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">x<-iris[<span class=\"code-snippet__number\" style=\"box-sizing: border-box;\">1<\/span>:<span class=\"code-snippet__number\" style=\"box-sizing: border-box;\">4<\/span>] <span class=\"code-snippet__comment\" style=\"box-sizing: border-box;\">#\u53d8\u91cf\u7279\u5f81<\/span><\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">y<-factor(iris$Species) <span class=\"code-snippet__comment\" style=\"box-sizing: border-box;\">#\u7ed3\u679c\u7279\u5f81<\/span><\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">set.seed(<span class=\"code-snippet__number\" style=\"box-sizing: border-box;\">10<\/span>)<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">filterCtrl <- sbfControl(functions = rfSBF, <\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> method = <span class=\"code-snippet__string\" style=\"box-sizing: border-box;\">\"repeatedcv\"<\/span>, repeats = <span class=\"code-snippet__number\" style=\"box-sizing: border-box;\">5<\/span>,<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> saveDetails = <span class=\"code-snippet__literal\" style=\"box-sizing: border-box;\">TRUE<\/span>)<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">rfWithFilter <- sbf(y=y,x=x, data=iris, sbfControl = filterCtrl)<\/span><\/code><\/pre>\n<\/section>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;box-sizing: border-box;\">\n<section style=\"max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.3896457765667575\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/3_4nhyselic21icgQia0myfUEuKYLvcA.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/YHGRXkSxjSSk7ZoWicdVQOicVXLzha1aDPFrvz42Or1U75XPY9ianNONZOGQUf4nhyselic21icgQia0myfUEuKYLvcA\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"734\" style=\"vertical-align: middle;max-width: 100%;width: 100%;box-sizing: border-box;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<p style=\"white-space: normal;margin: 0px;padding: 0px;box-sizing: border-box;\">\u8fc7\u6ee4\u6cd5\u7ed3\u679c\u663e\u793a4\u4e2a\u7279\u5f81\u90fd\u88ab\u9009\u51fa<\/p>\n<section style=\"font-size: 12px;line-height: 0;padding: 0px;box-sizing: border-box;\">\n<p style=\"white-space: normal;margin: 0px;padding: 0px;box-sizing: border-box;\"><br style=\"box-sizing: border-box;\" \/><\/p>\n<\/section>\n<section style=\"padding: 0px 10px;box-sizing: border-box;\">\n<p style=\"white-space: normal;margin: 0px;padding: 0px;box-sizing: border-box;\">2\u3001\u9012\u5f52\u7279\u5f81\u6d88\u9664(Recursive Feature Elimination\uff0cRFE)<\/p>\n<\/section>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">subsets <- <span class=\"code-snippet__built_in\" style=\"box-sizing: border-box;\">c<\/span>(<span class=\"code-snippet__number\" style=\"box-sizing: border-box;\">1<\/span>:<span class=\"code-snippet__number\" style=\"box-sizing: border-box;\">4<\/span>)<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">set.seed(<span class=\"code-snippet__number\" style=\"box-sizing: border-box;\">10<\/span>)<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">ctrl <- rfeControl(functions = rfFuncs,<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> method = <span class=\"code-snippet__string\" style=\"box-sizing: border-box;\">\"repeatedcv\"<\/span>,<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> repeats = <span class=\"code-snippet__number\" style=\"box-sizing: border-box;\">5<\/span>,<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> verbose = <span class=\"code-snippet__literal\" style=\"box-sizing: border-box;\">FALSE<\/span>)<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">rfProfile <- rfe(x, y,<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> sizes = subsets,<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> rfeControl = ctrl)<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">rfProfile<\/span><\/code><\/pre>\n<\/section>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;box-sizing: border-box;\">\n<section style=\"max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.4631578947368421\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/4_ZfP5GzO5tegAIDk1futYCYO4JUDenQ.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/YHGRXkSxjSSk7ZoWicdVQOicVXLzha1aDPjibYuYypcvicZUPqFtjVSrFeZlZfP5GzO5tegAIDk1futYCYO4JUDenQ\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"570\" style=\"vertical-align: middle;max-width: 100%;width: 100%;box-sizing: border-box;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"><span class=\"code-snippet__comment\" style=\"box-sizing: border-box;\">#RFE\u7ed3\u679c\u663e\u793a\uff0cPetal.Width\u548cPetal.Length\u4e24\u4e2a\u53d8\u91cf\u88ab\u9009\u51fa<\/span><\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"><span class=\"code-snippet__comment\" style=\"box-sizing: border-box;\">#\u7ed3\u679c\u53ef\u89c6\u5316<\/span><\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">plot(rfProfile, type = <span class=\"code-snippet__built_in\" style=\"box-sizing: border-box;\">c<\/span>(<span class=\"code-snippet__string\" style=\"box-sizing: border-box;\">\"g\"<\/span>, <span class=\"code-snippet__string\" style=\"box-sizing: border-box;\">\"o\"<\/span>))<\/span><\/code><\/pre>\n<\/section>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;box-sizing: border-box;\">\n<section style=\"max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.985781990521327\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/5_8LYkxGibRYVvhCA7fCb8plYibTEVtw.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/YHGRXkSxjSSk7ZoWicdVQOicVXLzha1aDP2Bib1We7FCYicQh668E3UN95VricM8LYkxGibRYVvhCA7fCb8plYibTEVtw\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"422\" style=\"vertical-align: middle;max-width: 100%;width: 100%;box-sizing: border-box;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<p style=\"white-space: normal;margin: 0px;padding: 0px;box-sizing: border-box;\">\u53ef\u4ee5\u770b\u5230\u9009\u62e9\u4e24\u4e2a\u53d8\u91cf\u65f6\uff0c\u5206\u7c7b\u6548\u679c\u6700\u597d<\/p>\n<p style=\"white-space: normal;margin: 0px;padding: 0px;box-sizing: border-box;\">3\u3001\u57fa\u56e0\u7b97\u6cd5\u7279\u5f81\u9009\u62e9<\/p>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">ga_ctrl <- gafsControl(functions = rfGA,<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> method = <span class=\"code-snippet__string\" style=\"box-sizing: border-box;\">\"cv\"<\/span><\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> )<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">set.seed(<span class=\"code-snippet__number\" style=\"box-sizing: border-box;\">10<\/span>)<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">rf_ga <- gafs(x = x, y = factor(y),<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> iters = <span class=\"code-snippet__number\" style=\"box-sizing: border-box;\">5<\/span>,<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> gafsControl = ga_ctrl)<\/span><\/code><\/pre>\n<\/section>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;box-sizing: border-box;\">\n<section style=\"max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.1258741258741259\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/6_gB6WCYPPJnicMEMddCGxqPYApuksZA.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/YHGRXkSxjSSk7ZoWicdVQOicVXLzha1aDPWbDUbQzyfWSn8PSmfXy9OlQkmgB6WCYPPJnicMEMddCGxqPYApuksZA\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"286\" style=\"vertical-align: middle;max-width: 100%;width: 100%;box-sizing: border-box;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<p style=\"white-space: normal;margin: 0px;padding: 0px;box-sizing: border-box;\">\u53ef\u4ee5\u770b\u5230\u57fa\u56e0\u7b97\u6cd5\u9009\u62e9\u7684\u53d8\u91cf\u548cRFE\u9009\u62e9\u7684\u53d8\u91cf\u4e00\u81f4\u3002<\/p>\n<p style=\"white-space: normal;margin: 0px;padding: 0px;box-sizing: border-box;\">4\u3001\u6a21\u62df\u9000\u706b\uff08Simulated Annealing\uff09\u7b97\u6cd5\u7279\u5f81\u9009\u62e9<\/p>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">sa_ctrl <- safsControl(functions = rfSA,<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> method = <span class=\"code-snippet__string\" style=\"box-sizing: border-box;\">\"cv\"<\/span>,<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> improve= <span class=\"code-snippet__number\" style=\"box-sizing: border-box;\">50<\/span>)<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\"><br \/><\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">set.seed(<span class=\"code-snippet__number\" style=\"box-sizing: border-box;\">10<\/span>)<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">rf_sa <- safs(x = x, y = factor(y),<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> iters = <span class=\"code-snippet__number\" style=\"box-sizing: border-box;\">50<\/span>,<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> safsControl = sa_ctrl)<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">rf_sa$optVariables<\/span><\/code><\/pre>\n<\/section>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;box-sizing: border-box;\">\n<section style=\"max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.1258741258741259\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/7_ac7ibDDbQNvvia67tQjNXGAruLiafg.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/YHGRXkSxjSSk7ZoWicdVQOicVXLzha1aDPvaXwBTzq5QNo8EYwibgcM6NPdMZmac7ibDDbQNvvia67tQjNXGAruLiafg\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"286\" style=\"vertical-align: middle;max-width: 100%;width: 100%;box-sizing: border-box;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"><span class=\"code-snippet__comment\" style=\"box-sizing: border-box;\">#\u53ef\u4ee5\u770b\u51fa\u6a21\u62df\u9000\u706b\u7b97\u6cd5\u9009\u62e9\u7684\u53d8\u91cf\u4e0e\u5176\u4ed6\u51e0\u79cd\u5747\u4e0d\u76f8\u540c<\/span><\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"><span class=\"code-snippet__comment\" style=\"box-sizing: border-box;\">#\u4e3a\u4e86\u6d4b\u8bd5\u4e00\u4e0b\u7ed3\u679c\uff0c\u6211\u4eec\u901a\u8fc7lattice\u5305\u7684xyplot\u65b9\u6cd5\u6765\u770b\u770b\u6570\u636e\u5206\u5e03\u60c5\u51b5<\/span><\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">library(lattice)<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"><span class=\"code-snippet__comment\" style=\"box-sizing: border-box;\">#\u4f7f\u7528Petal.Length\u548cPetal.Width\u4e24\u4e2a\u7279\u5f81\u7ef4\u5ea6\u6765\u67e5\u770b\u6570\u636e<\/span><\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">xyplot(Petal.Length ~ Petal.Width, data = iris,<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> groups = Species,<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> auto.key = <span class=\"code-snippet__built_in\" style=\"box-sizing: border-box;\">list<\/span>(corner=<span class=\"code-snippet__built_in\" style=\"box-sizing: border-box;\">c<\/span>(<span class=\"code-snippet__number\" style=\"box-sizing: border-box;\">1<\/span>, <span class=\"code-snippet__number\" style=\"box-sizing: border-box;\">0<\/span>)))<\/span><\/code><\/pre>\n<\/section>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;box-sizing: border-box;\">\n<section style=\"max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.9858823529411764\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/8_MY9262n4KCvxSPmKtePZLncbadwicg.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/YHGRXkSxjSSk7ZoWicdVQOicVXLzha1aDP8mMxpz16lL7ElY0L994zJHmgNMY9262n4KCvxSPmKtePZLncbadwicg\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"425\" style=\"vertical-align: middle;max-width: 100%;width: 100%;box-sizing: border-box;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"><span class=\"code-snippet__comment\" style=\"box-sizing: border-box;\">#\u53ef\u4ee5\u770b\u5230\uff0c\u5982\u679c\u9009\u62e9\u57fa\u56e0\u7b97\u6cd5\u548cRFE\u7b97\u6cd5\u9009\u62e9\u7684\u53d8\u91cfPetal.Length\u548cPetal.Width\u6765\u67e5\u770b\u6570\u636e\uff0c\u5206\u7c7b\u4e3asetosa\u7684\u6570\u636e\u53ef\u4ee5\u88ab\u5f88\u597d\u7684\u533a\u5206\u5f00\u6765\uff0c\u4f46\u662fversicolor\u548cvirginica\u4e24\u7c7b\u5e76\u4e0d\u80fd\u88ab\u5f88\u597d\u7684\u533a\u5206\uff0c\u4e0d\u8fc7\u4e5f\u6ca1\u6709\u5b8c\u5168\u4ea4\u878d\u5728\u4e00\u8d77\uff0c\u8868\u73b0\u8fd8\u4e0d\u9519<\/span><\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"><span class=\"code-snippet__comment\" style=\"box-sizing: border-box;\">#\u6211\u4eec\u518d\u6765\u8bd5\u8bd5\u6a21\u62df\u9000\u706b\u7b97\u6cd5\u9009\u62e9\u7684\u7279\u5f81\u7ed3\u679c<\/span><\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">xyplot(Sepal.Length ~ Petal.Length, data = iris,<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> groups = Species,<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> auto.key = <span class=\"code-snippet__built_in\" style=\"box-sizing: border-box;\">list<\/span>(corner=<span class=\"code-snippet__built_in\" style=\"box-sizing: border-box;\">c<\/span>(<span class=\"code-snippet__number\" style=\"box-sizing: border-box;\">1<\/span>, <span class=\"code-snippet__number\" style=\"box-sizing: border-box;\">0<\/span>)))<\/span><\/code><\/pre>\n<\/section>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;box-sizing: border-box;\">\n<section style=\"max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"1\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/9_icYtV9VMOGeiaAHgAhRnhG8YZotfLQ.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/YHGRXkSxjSSk7ZoWicdVQOicVXLzha1aDPSn5TfW5uQQqrb8s8Rd0w1UJMbIicYtV9VMOGeiaAHgAhRnhG8YZotfLQ\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"421\" style=\"vertical-align: middle;max-width: 100%;width: 100%;box-sizing: border-box;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"><span class=\"code-snippet__comment\" style=\"box-sizing: border-box;\">#\u540c\u6837\u7684\uff0c\u53ef\u4ee5\u770b\u51fasetosa\u5206\u7c7b\u53ef\u4ee5\u88ab\u5f88\u597d\u7684\u533a\u5206\u5f00\u6765\uff0c\u4f46\u662fversicolor\u548cvirginica\u4e24\u7c7b\u5e76\u4e0d\u80fd\u88ab\u5f88\u597d\u7684\u533a\u5206\uff0c\u5e76\u4e14\u6709\u4e00\u4e9b\u6837\u672c\u8fd8\u88ab\u6df7\u5728\u4e00\u8d77\uff0c<\/span><\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"><span class=\"code-snippet__comment\" style=\"box-sizing: border-box;\">#\u603b\u7ed3\u4e00\u4e0b\uff0c\u57fa\u56e0\u7b97\u6cd5\u548cRFE\u7b97\u6cd5\u4ee5\u53ca\u6a21\u62df\u9000\u706b\u7b97\u6cd5\u90fd\u5b9e\u73b0\u4e86\u7279\u5f81\u63d0\u53d6\uff0c\u51cf\u5c11\u4e86\u7279\u5f81\u6570\u91cf\uff0c\u5e76\u4e14\u57fa\u56e0\u7b97\u6cd5\u548cRFE\u7b97\u6cd5\u63d0\u53d6\u7ed3\u679c\u8868\u73b0\u4f18\u5f02\u3002<\/span><\/span><\/code><\/pre>\n<\/section>\n<section style=\"display: flex;flex-flow: row;margin: 10px 0% 20px;text-align: left;justify-content: flex-start;box-sizing: border-box;\">\n<section style=\"display: inline-block;vertical-align: top;width: auto;flex: 0 0 0%;height: auto;align-self: flex-start;line-height: 0;box-sizing: border-box;\">\n<section style=\"text-align: right;margin: 0px 0% -20px;box-sizing: border-box;\">\n<section style=\"display: inline-block;width: 8px;height: 20px;vertical-align: top;overflow: hidden;border-width: 0px;border-style: none;border-color: rgb(62, 62, 62);background-color: rgb(245, 241, 224);box-sizing: border-box;\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<\/section>\n<section style=\"text-align: center;box-sizing: border-box;\">\n<section style=\"display: inline-block;width: 16px;height: 20px;vertical-align: top;overflow: hidden;border-width: 0px;border-radius: 21px 21px 0px 0px;border-style: none;border-color: rgb(62, 62, 62);background-color: rgb(231, 215, 173);box-sizing: border-box;\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<\/section>\n<\/section>\n<section style=\"display: inline-block;vertical-align: top;width: auto;background-color: rgb(245, 241, 224);flex: 100 100 0%;align-self: flex-start;height: auto;border-right: 0px rgb(62, 62, 62);border-top-right-radius: 12px;overflow: hidden;box-shadow: rgb(231, 215, 173) 0px 6px 0px;box-sizing: border-box;\">\n<section style=\"margin: 20px 0% 30px;box-sizing: border-box;\">\n<section style=\"padding: 0px 23px;text-align: justify;line-height: 1.8;box-sizing: border-box;\">\n<p style=\"white-space: normal;margin: 0px;padding: 0px;box-sizing: border-box;\">\u597d\u4e86\uff0ccaret\u5305\u7684\u57fa\u672c\u529f\u80fd\uff0c\u5927\u6d77\u54e5\u90fd\u4ecb\u7ecd\u5b8c\u4e86\uff0c\u603b\u89c8\u5168\u6587\uff0c\u5168\u662f\u5e72\u8d27~<br style=\"box-sizing: border-box;\" \/>\u6700\u540e\u603b\u7ed3\u4e00\u4e0b\u8fd9\u4e2a\u5f3a\u5927\u7684R\u5305\u5427\uff01\u4e0d\u96be\u770b\u51fa\uff0ccaret\u662f\u4e00\u4e2a\u975e\u5e38\u5f3a\u5927\u4e14\u7075\u6d3b\u7684\u673a\u5668\u5b66\u4e60\u5305\uff0c\u9002\u7528\u4e8e\u4ece\u6570\u636e\u9884\u5904\u7406\u5230\u6a21\u578b\u9009\u62e9\u548c\u8bc4\u4f30\u7684\u6574\u4e2a\u673a\u5668\u5b66\u4e60\u6d41\u7a0b\u3002\u65e0\u8bba\u4f60\u662f\u751f\u7269\u4fe1\u606f\u5b66\u521d\u5b66\u8005\u8fd8\u662f\u7ecf\u9a8c\u4e30\u5bcc\u7684\u6570\u636e\u79d1\u5b66\u5bb6\uff0c\u90fd\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528caret\u6765\u7b80\u5316\u548c\u4f18\u5316\u4f60\u7684\u673a\u5668\u5b66\u4e60\u5de5\u4f5c\u6d41\u7a0b\uff0c\u8fd9\u4e2a\u5305\u53ef\u4ee5\u5e2e\u4f60\u5b9e\u73b0\u751f\u7269\u4fe1\u606f\u5b66\u5206\u6790\u4e2d\u9047\u5230\u7684\u5927\u591a\u6570\u673a\u5668\u5b66\u4e60\u5206\u6790\u6d41\u7a0b\u3002<br style=\"box-sizing: border-box;\" \/>\u5982\u6b64\u4f18\u5f02\u7684R\u5305\uff0c\u5c4f\u5e55\u524d\u7684\u4f60\u96be\u9053\u8fd8\u5728\u72b9\u8c6b\uff1f\u8fd8\u4e0d\u8d81\u7740\u5927\u6d77\u54e5\u521a\u5206\u4eab\u7684\u65b0\u9c9c\u4ee3\u7801\uff0c\u6293\u7d27\u65f6\u95f4\u52a8\u624b\u5c1d\u8bd5\u4e00\u6ce2\uff01\u8bf4\u4e0d\u5b9a\u4f1a\u6709\u610f\u5916\u6536\u83b7\u54e6\uff01\uff08\u6700\u540e\u63a8\u8350\u4e00\u4e0b\u5927\u6d77\u54e5\u65b0\u5f00\u53d1\u7684\u96f6\u4ee3\u7801\u4e91\u751f\u4fe1\u5206\u6790\u5de5\u5177\u5e73\u53f0\uff0c\u5305\u542b\u8d85\u591a\u96f6\u4ee3\u7801\u5c0f\u5de5\u5177\uff0c\u4e0a\u4f20\u6570\u636e\u4e00\u952e\u51fa\u56fe\uff0c\u611f\u5174\u8da3\u7684\u5c0f\u4f19\u4f34\u6b22\u8fce\u6765\u53c2\u89c2\u54df\uff0c\u7f51\u5740\uff1ahttp:\/\/www.biocloudservice.com\/home.html\uff09<\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"border-bottom: 2px solid rgb(0, 150, 136);text-align: left;font-size: 12px;box-sizing: border-box;\">\n<p style=\"margin: 0px;padding: 0px;box-sizing: border-box;\"><a target=\"_blank\" href=\"https:\/\/mp.weixin.qq.com\/s?__biz=MzAwNjE0MDY3MQ==&mid=2650761303&idx=2&sn=6f73471d1e82c56c0b2160d0fcd32d53&scene=21#wechat_redirect\" textvalue=\"\" linktype=\"image\" imgurl=\"https:\/\/mmbiz.qpic.cn\/mmbiz_jpg\/YHGRXkSxjSSYqN0u6bwwXzLCBdlX9BXOYJyjlsib6bQ74Wibtria9gSC4sqocafb5YBQcZWdQRrtP2Xo7vaFWaecA\/0?wx_fmt=jpeg\" imgdata=\"[object Object]\" tab=\"innerlink\" data-linktype=\"1\" rel=\"noopener\"><span class=\"js_jump_icon h5_image_link\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-galleryid=\"\" data-ratio=\"0.35083798882681566\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/10_ocafb5YBQcZWdQRrtP2Xo7vaFWaecA.jpg?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_jpg\/YHGRXkSxjSSYqN0u6bwwXzLCBdlX9BXOYJyjlsib6bQ74Wibtria9gSC4sqocafb5YBQcZWdQRrtP2Xo7vaFWaecA\/640?wx_fmt=jpeg'\" data-type=\"jpeg\" data-w=\"895\" style=\"\" data-recalc-dims=\"1\" \/><\/span><\/a><\/p>\n<p style=\"text-align: center;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-galleryid=\"\" data-ratio=\"0.3488888888888889\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/11_07T3ukOr5mxE6sbTMZvYNklUgT3oKg.jpg?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_jpg\/YHGRXkSxjSSYqN0u6bwwXzLCBdlX9BXOYQlIrRTwqxXypnzYht7bhh3T07T3ukOr5mxE6sbTMZvYNklUgT3oKg\/640?wx_fmt=jpeg'\" data-type=\"jpeg\" data-w=\"900\" style=\"\" data-recalc-dims=\"1\" \/><\/p>\n<p style=\"margin: 0px;padding: 0px;box-sizing: border-box;\">\u70b9\u51fb\u201c\u9605\u8bfb\u539f\u6587\u201d\u8fdb\u5165\u7f51\u5740<\/p>\n<\/section>\n<section style=\"margin-left: 8%;margin-right: 8%;line-height: 1.1em;box-sizing: border-box;\">\n<section style=\"width: 0px;display: inline-block;vertical-align: top;border-top: 1em solid rgb(0, 150, 136);border-left: 0.8em solid transparent 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{"id":56876,"date":"2024-06-16T18:31:49","date_gmt":"2024-06-16T10:31:49","guid":{"rendered":"http:\/\/www.biocloudservice.com\/wordpress\/?p=56876"},"modified":"2024-06-16T18:31:49","modified_gmt":"2024-06-16T10:31:49","slug":"%e9%82%a3%e4%ba%9b%e5%ae%b9%e6%98%93%e8%a2%ab%e4%ba%ba%e5%bf%bd%e8%a7%86%e7%9a%84r%e5%8c%85-%e5%9f%ba%e4%ba%8ecaret%e7%9a%84%e6%9c%ba%e5%99%a8%e5%ad%a6%e4%b9%a0%ef%bc%88%e4%ba%8c","status":"publish","type":"post","link":"http:\/\/www.biocloudservice.com\/wordpress\/?p=56876","title":{"rendered":"\u90a3\u4e9b\u5bb9\u6613\u88ab\u4eba\u5ffd\u89c6\u7684R\u5305\u2014\u2014\u57fa\u4e8ecaret\u7684\u673a\u5668\u5b66\u4e60\uff08\u4e8c\uff09"},"content":{"rendered":"

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inline-block;width: auto;vertical-align: top;background-color: rgb(245, 241, 224);min-width: 10%;max-width: 100%;flex: 0 0 auto;height: auto;align-self: flex-start;box-sizing: border-box;\">\n<section style=\"display: flex;flex-flow: row;margin: -9px 0% 5px;justify-content: flex-start;box-sizing: border-box;\">\n<section style=\"display: inline-block;vertical-align: top;width: auto;flex: 0 0 0%;height: auto;line-height: 0;align-self: flex-start;border-width: 0px;margin: 5px 0px 0px 7px;box-sizing: border-box;\">\n<section style=\"text-align: center;box-sizing: border-box;\">\n<section style=\"display: inline-block;width: 2px;height: 10px;vertical-align: top;overflow: hidden;background-color: rgb(59, 149, 115);box-sizing: border-box;\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<\/section>\n<section style=\"text-align: center;margin: -6px 0% 4px;box-sizing: border-box;\">\n<section style=\"display: inline-block;width: 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auto;box-sizing: border-box;\">\n<section style=\"margin: 0px 0%;text-align: center;transform: translate3d(-1px, 0px, 0px);-webkit-transform: translate3d(-1px, 0px, 0px);-moz-transform: translate3d(-1px, 0px, 0px);-o-transform: translate3d(-1px, 0px, 0px);box-sizing: border-box;\">\n<section style=\"color: rgb(59, 149, 115);font-size: 17px;padding: 0px 11px;line-height: 1;text-align: justify;box-sizing: border-box;\">\n<p style=\"text-align: left;white-space: normal;margin: 0px;padding: 0px;box-sizing: border-box;\"><strong style=\"box-sizing: border-box;\">\u70b9\u51fb\u84dd\u5b57 \u5173\u6ce8\u6211\u4eec<\/strong><\/p>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"display: inline-block;vertical-align: top;width: auto;line-height: 0;flex: 0 0 0%;height: auto;box-sizing: border-box;\">\n<section style=\"text-align: center;box-sizing: border-box;\">\n<section style=\"display: inline-block;width: 16px;height: 12px;vertical-align: top;overflow: hidden;background-color: rgb(59, 149, 115);padding: 0px 2px;box-sizing: border-box;\">\n<section style=\"justify-content: center;display: flex;flex-flow: row;box-sizing: border-box;\">\n<section style=\"display: inline-block;vertical-align: top;width: 50%;align-self: flex-start;flex: 0 0 auto;box-sizing: border-box;\">\n<section style=\"margin: 4px 0% 0px;box-sizing: border-box;\">\n<section style=\"display: inline-block;width: 3px;height: 3px;vertical-align: top;overflow: hidden;border-width: 0px;border-radius: 155px;border-style: none;border-color: rgb(62, 62, 62);background-color: rgb(245, 245, 245);box-sizing: border-box;\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<\/section>\n<\/section>\n<section style=\"display: inline-block;vertical-align: top;width: 50%;align-self: flex-start;flex: 0 0 auto;box-sizing: border-box;\">\n<section style=\"margin: 4px 0% 0px;box-sizing: border-box;\">\n<section style=\"display: inline-block;width: 3px;height: 3px;vertical-align: top;overflow: hidden;border-width: 0px;border-radius: 155px;border-style: none;border-color: rgb(62, 62, 62);background-color: rgb(245, 245, 245);box-sizing: border-box;\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"text-align: center;transform: translate3d(3px, 0px, 0px);-webkit-transform: translate3d(3px, 0px, 0px);-moz-transform: translate3d(3px, 0px, 0px);-o-transform: translate3d(3px, 0px, 0px);box-sizing: border-box;\">\n<section style=\"display: inline-block;width: 0px;height: 0px;vertical-align: top;overflow: hidden;border-style: solid;border-width: 0px 0px 4px 4px;border-color: rgba(255, 255, 255, 0) rgba(255, 255, 255, 0) rgba(255, 255, 255, 0) rgb(59, 149, 115);box-sizing: border-box;\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"padding: 0px 10px;letter-spacing: 2px;line-height: 1.8;box-sizing: border-box;\">\n<p style=\"white-space: normal;margin: 0px;padding: 0px;box-sizing: border-box;\"> \u5c0f\u4f19\u4f34\u4eec\u5927\u5bb6\u597d\u554a\uff0c\u6211\u662f\u5927\u6d77\u54e5\uff0c\u4eca\u5929\u6211\u4eec\u8981\u63a5\u7740\u4e0a\u6b21\u7684\u5206\u4eab\uff0c\u7ee7\u7eed\u5b66\u4e60\u8fd9\u4e2a\u5341\u5206\u5f3a\u5927\u5374\u4f4e\u8c03\u7684caret\u5305\uff0c\u51c6\u5907\u597d\u4e86\u5417\uff0c\u8ba9\u6211\u4eec\u5f00\u59cb\u5427\uff01<br style=\"box-sizing: border-box;\" \/><\/p>\n<\/section>\n<section style=\"text-align: left;justify-content: flex-start;margin: 20px 0%;display: flex;flex-flow: row;box-sizing: border-box;\">\n<section style=\"display: inline-block;width: auto;vertical-align: top;min-width: 10%;max-width: 100%;flex: 0 0 auto;height: auto;background-color: rgb(204, 223, 237);border-width: 0px;border-radius: 0px 50px 50px 0px;border-style: none;border-color: rgb(62, 62, 62);padding: 0px 10px 0px 0px;align-self: flex-start;box-sizing: border-box;\">\n<section style=\"justify-content: flex-start;display: flex;flex-flow: row;box-sizing: border-box;\">\n<section style=\"display: inline-block;width: auto;vertical-align: top;min-width: 10%;max-width: 100%;flex: 0 0 auto;height: auto;background-color: rgb(60, 86, 125);border-width: 0px;border-radius: 0px 50px 50px 0px;border-style: none;border-color: rgb(62, 62, 62);align-self: flex-start;box-sizing: border-box;\">\n<section style=\"color: rgb(255, 255, 254);line-height: 2;letter-spacing: 2px;padding: 0px 15px;font-family: PingFangSC-light;text-align: justify;box-sizing: border-box;\">\n<p style=\"white-space: normal;margin: 0px;padding: 0px;box-sizing: border-box;\">caret\u5305\u7684\u529f\u80fd\u5305\u542b\u4e0b\u9762\u51e0\u79cd<\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"text-align: left;justify-content: flex-start;margin: 20px 0px 10px;display: flex;flex-flow: row;box-sizing: border-box;\">\n<section style=\"display: inline-block;width: auto;vertical-align: top;background-color: rgb(255, 238, 211);min-width: 10%;max-width: 100%;flex: 0 0 auto;height: auto;align-self: flex-start;box-sizing: border-box;\">\n<section style=\"color: rgb(32, 70, 126);text-align: center;letter-spacing: 1.2px;padding: 0px 20px;box-sizing: border-box;\">\n<p style=\"margin: 0px;padding: 0px;box-sizing: border-box;\">\u6570\u636e\u62c6\u5206<\/p>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"text-align: left;justify-content: flex-start;margin: 20px 0px 10px;display: flex;flex-flow: row;box-sizing: border-box;\">\n<section style=\"display: inline-block;width: auto;vertical-align: top;background-color: rgb(255, 238, 211);min-width: 10%;max-width: 100%;flex: 0 0 auto;height: auto;align-self: flex-start;box-sizing: border-box;\">\n<section style=\"color: rgb(32, 70, 126);text-align: center;letter-spacing: 1.2px;padding: 0px 20px;box-sizing: border-box;\">\n<p style=\"margin: 0px;padding: 0px;box-sizing: border-box;\">\u6570\u636e\u9884\u5904\u7406<\/p>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"text-align: left;justify-content: flex-start;margin: 20px 0px 10px;display: flex;flex-flow: row;box-sizing: border-box;\">\n<section style=\"display: inline-block;width: auto;vertical-align: top;background-color: rgb(255, 238, 211);min-width: 10%;max-width: 100%;flex: 0 0 auto;height: auto;align-self: flex-start;box-sizing: border-box;\">\n<section style=\"color: rgb(32, 70, 126);text-align: center;letter-spacing: 1.2px;padding: 0px 20px;box-sizing: border-box;\">\n<p style=\"margin: 0px;padding: 0px;box-sizing: border-box;\">\u7279\u5f81\u9009\u62e9<\/p>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"text-align: left;justify-content: flex-start;margin: 20px 0px 10px;display: flex;flex-flow: row;box-sizing: border-box;\">\n<section style=\"display: inline-block;width: auto;vertical-align: top;background-color: rgb(255, 238, 211);min-width: 10%;max-width: 100%;flex: 0 0 auto;height: auto;align-self: flex-start;box-sizing: border-box;\">\n<section style=\"color: rgb(32, 70, 126);text-align: center;letter-spacing: 1.2px;padding: 0px 20px;box-sizing: border-box;\">\n<p style=\"margin: 0px;padding: 0px;box-sizing: border-box;\">\u6a21\u578b\u6784\u5efa\u53ca\u4f18\u5316<\/p>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"text-align: left;justify-content: flex-start;margin: 20px 0px 10px;display: flex;flex-flow: row;box-sizing: border-box;\">\n<section style=\"display: inline-block;width: auto;vertical-align: top;background-color: rgb(255, 238, 211);min-width: 10%;max-width: 100%;flex: 0 0 auto;height: auto;align-self: flex-start;box-sizing: border-box;\">\n<section style=\"color: rgb(32, 70, 126);text-align: center;letter-spacing: 1.2px;padding: 0px 20px;box-sizing: border-box;\">\n<p style=\"margin: 0px;padding: 0px;box-sizing: border-box;\">\u53d8\u91cf\u91cd\u8981\u6027\u8bc4\u4f30<\/p>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"text-align: left;justify-content: flex-start;margin: 20px 0px 10px;display: flex;flex-flow: row;box-sizing: border-box;\">\n<section style=\"display: inline-block;width: auto;vertical-align: top;background-color: rgb(255, 238, 211);min-width: 10%;max-width: 100%;flex: 0 0 auto;height: auto;align-self: flex-start;box-sizing: border-box;\">\n<section style=\"color: rgb(32, 70, 126);text-align: center;letter-spacing: 1.2px;padding: 0px 20px;box-sizing: border-box;\">\n<p style=\"margin: 0px;padding: 0px;box-sizing: border-box;\">\u5176\u4ed6\u51fd\u6570\u90e8\u5206<\/p>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"padding: 0px 10px;box-sizing: border-box;\">\n<p style=\"white-space: normal;margin: 0px;padding: 0px;box-sizing: border-box;\">\u5e76\u4e14\u5df2\u7ecf\u8be6\u7ec6\u4ecb\u7ecd\u4e86\u6570\u636e\u62c6\u5206\u3001\u6570\u636e\u9884\u5904\u7406\u548c\u6a21\u578b\u6784\u5efa\u53ca\u4f18\u5316\u7b49\u90e8\u5206\uff0c\u90a3\u4e48\u8fd9\u4e00\u6b21\uff0c\u5927\u6d77\u54e5\u5c31\u63a5\u7740\u7ee7\u7eed\u4ecb\u7ecdcaret\u5305\u7684\u5176\u4ed6\u529f\u80fd\u3002<br style=\"box-sizing: border-box;\" \/>\u91cd\u65b0\u5f00\u59cb\u610f\u5473\u7740\u8981\u91cd\u65b0\u52a0\u8f7d~<\/p>\n<\/section>\n<section style=\"text-align: left;justify-content: flex-start;margin: 20px 0px 10px;display: flex;flex-flow: row;box-sizing: border-box;\">\n<section style=\"display: inline-block;width: auto;vertical-align: top;background-color: rgb(59, 149, 115);min-width: 10%;max-width: 100%;flex: 0 0 auto;height: auto;align-self: flex-start;box-sizing: border-box;\">\n<section style=\"color: rgb(245, 245, 245);text-align: center;letter-spacing: 1.2px;padding: 0px 20px;box-sizing: border-box;\">\n<p style=\"margin: 0px;padding: 0px;box-sizing: border-box;\"><strong style=\"box-sizing: border-box;\">\u8f7d\u5165\u5305\u548c\u6570\u636e<\/strong><\/p>\n<\/section>\n<\/section>\n<\/section>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">library(caret)<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"><span class=\"code-snippet__comment\" style=\"box-sizing: border-box;\">## \u8f7d\u5165\u9700\u8981\u7684\u7a0b\u8f91\u5305\uff1aggplot2<\/span><\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"><span class=\"code-snippet__comment\" style=\"box-sizing: border-box;\">## \u8f7d\u5165\u9700\u8981\u7684\u7a0b\u8f91\u5305\uff1alattice<\/span><\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> data(iris)<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">iris <- na.omit(iris)<\/span><\/code><\/pre>\n<\/section>\n<section style=\"text-align: left;justify-content: flex-start;margin: 20px 0px 10px;display: flex;flex-flow: row;box-sizing: border-box;\">\n<section style=\"display: inline-block;width: auto;vertical-align: top;background-color: rgb(59, 149, 115);min-width: 10%;max-width: 100%;flex: 0 0 auto;height: auto;align-self: flex-start;box-sizing: border-box;\">\n<section style=\"color: rgb(245, 245, 245);text-align: center;letter-spacing: 1.2px;padding: 0px 20px;box-sizing: border-box;\">\n<p style=\"margin: 0px;padding: 0px;box-sizing: border-box;\"><strong style=\"box-sizing: border-box;\">\u4e0d\u540c\u6a21\u578b\u7684\u6bd4\u8f83<\/strong><\/p>\n<\/section>\n<\/section>\n<\/section>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"><span class=\"code-snippet__comment\" style=\"box-sizing: border-box;\">#\u8bbe\u7f6e\u91cd\u62bd\u6837\u65b9\u5f0f<\/span><\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">fitControl <- trainControl(method = <span class=\"code-snippet__string\" style=\"box-sizing: border-box;\">\"cv\"<\/span>,<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> number = <span class=\"code-snippet__number\" style=\"box-sizing: border-box;\">10<\/span>,<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">allowParallel = <span class=\"code-snippet__literal\" style=\"box-sizing: border-box;\">TRUE<\/span>)<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"><span class=\"code-snippet__comment\" style=\"box-sizing: border-box;\">#\u5efa\u7acbgbm\u6a21\u578b<\/span><\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">set.seed(<span class=\"code-snippet__number\" style=\"box-sizing: border-box;\">1<\/span>)<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">gbmFit<- train(factor(Species) ~ ., <\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> data = iris, <\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> method = <span class=\"code-snippet__string\" style=\"box-sizing: border-box;\">\"gbm\"<\/span>, <\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> trControl = fitControl,<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> verbose = <span class=\"code-snippet__literal\" style=\"box-sizing: border-box;\">FALSE<\/span>)<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\"><br \/><\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"><span class=\"code-snippet__comment\" style=\"box-sizing: border-box;\">#\u5efa\u7acbxgboost\u6a21\u578b<\/span><\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">xgbFit <- train(factor(Species) ~ ., <\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> data = iris, <\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> method = <span class=\"code-snippet__string\" style=\"box-sizing: border-box;\">\"xgbTree\"<\/span>, <\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> trControl = fitControl,<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> verbose = <span class=\"code-snippet__literal\" style=\"box-sizing: border-box;\">FALSE<\/span>,<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> verbosity = <span class=\"code-snippet__number\" style=\"box-sizing: border-box;\">0<\/span>)<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"><span class=\"code-snippet__comment\" style=\"box-sizing: border-box;\">#\u5efa\u7acb\u968f\u673a\u68ee\u6797\u6a21\u578b<\/span><\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">rffit <- train(factor(Species) ~ ., <\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> data = iris, <\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> method = <span class=\"code-snippet__string\" style=\"box-sizing: border-box;\">\"rf\"<\/span>, <\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> trControl = fitControl,<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> verbose = <span class=\"code-snippet__literal\" style=\"box-sizing: border-box;\">FALSE<\/span>)<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"><span class=\"code-snippet__comment\" style=\"box-sizing: border-box;\">#\u8fd9\u79cd\u6a21\u578b\u6784\u5efa\u65b9\u5f0f\u662f\u4e0d\u662f\u5f88\u7b80\u5355\uff01\uff01<\/span><\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"><span class=\"code-snippet__comment\" style=\"box-sizing: border-box;\">#\u91cd\u91c7\u6837\u6d4b\u8bd5\u8fdb\u884c\u7ed3\u679c\u5bf9\u6bd4<\/span><\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">resamps <- resamples(<span class=\"code-snippet__built_in\" style=\"box-sizing: border-box;\">list<\/span>(GBM = gbmFit,<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> XGB =xgbFit,<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> RF = rffit<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> ))<\/span><\/code><\/pre>\n<\/section>\n<p style=\"white-space: normal;margin: 0px;padding: 0px;box-sizing: border-box;\">\u6a21\u578b\u6bd4\u8f83\u6982\u51b5<\/p>\n<p style=\"white-space: normal;margin: 0px;padding: 0px;box-sizing: border-box;\">summary(resamps)<\/p>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;box-sizing: border-box;\">\n<section style=\"max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.5350553505535055\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/1_YRuqMibPd39fusB57aN6oTppKpYFtg.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/YHGRXkSxjSSk7ZoWicdVQOicVXLzha1aDPWx3icHVW3uNpE1PibCf2uDNUoGGYRuqMibPd39fusB57aN6oTppKpYFtg\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"542\" style=\"vertical-align: middle;max-width: 100%;width: 100%;box-sizing: border-box;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<p style=\"white-space: normal;margin: 0px;padding: 0px;box-sizing: border-box;\">\u53ef\u89c6\u5316\u770b\u770b\u7ed3\u679c<br style=\"box-sizing: border-box;\" \/>bwplot(resamps)<\/p>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;box-sizing: border-box;\">\n<section style=\"max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.9832535885167464\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/2_QYias8sw6N7DTArVulJDFz1fsMoTXA.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/YHGRXkSxjSSk7ZoWicdVQOicVXLzha1aDPQcWCKvptvlFhoYcVQEmINGVCOQYias8sw6N7DTArVulJDFz1fsMoTXA\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"418\" style=\"vertical-align: middle;max-width: 100%;width: 100%;box-sizing: border-box;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<section style=\"padding: 0px 10px;box-sizing: border-box;\">\n<p style=\"white-space: normal;margin: 0px;padding: 0px;box-sizing: border-box;\">\u7ed3\u679c\u663e\u793aXGB\u6700\u5f3a\uff0c\u4e0d\u6127\u662fXGBoost\uff01\u9884\u6d4b\u9e22\u5c3e\u82b1\u4e5f\u4e0d\u670d\u8f93~<br style=\"box-sizing: border-box;\" \/>\u53ef\u4ee5\u770b\u51facaret\u5305\u6784\u5efa\u6a21\u578b\u7684\u4ee3\u7801\u6d41\u7a0b\u5341\u5206\u7b80\u5355\u4fbf\u6377\uff0c\u53ea\u9700\u8981\u63d0\u4f9b\u4e00\u4e9b\u5173\u952e\u53c2\u6570\u5373\u53ef\uff0c\u5b9e\u4e43\u840c\u65b0\u597d\u52a9\u624b\uff01\uff01<\/p>\n<\/section>\n<section style=\"text-align: left;justify-content: flex-start;margin: 20px 0px 10px;display: flex;flex-flow: row;box-sizing: border-box;\">\n<section style=\"display: inline-block;width: auto;vertical-align: top;background-color: rgb(59, 149, 115);min-width: 10%;max-width: 100%;flex: 0 0 auto;height: auto;align-self: flex-start;box-sizing: border-box;\">\n<section style=\"color: rgb(245, 245, 245);text-align: center;letter-spacing: 1.2px;padding: 0px 20px;box-sizing: border-box;\">\n<p style=\"margin: 0px;padding: 0px;box-sizing: border-box;\"><strong style=\"box-sizing: border-box;\">\u7279\u5f81\u63d0\u53d6<\/strong><\/p>\n<\/section>\n<\/section>\n<\/section>\n<p style=\"white-space: normal;margin: 0px;padding: 0px;box-sizing: border-box;\">1\u3001\u8fc7\u6ee4\u6cd5<\/p>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">x<-iris[<span class=\"code-snippet__number\" style=\"box-sizing: border-box;\">1<\/span>:<span class=\"code-snippet__number\" style=\"box-sizing: border-box;\">4<\/span>] <span class=\"code-snippet__comment\" style=\"box-sizing: border-box;\">#\u53d8\u91cf\u7279\u5f81<\/span><\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">y<-factor(iris$Species) <span class=\"code-snippet__comment\" style=\"box-sizing: border-box;\">#\u7ed3\u679c\u7279\u5f81<\/span><\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">set.seed(<span class=\"code-snippet__number\" style=\"box-sizing: border-box;\">10<\/span>)<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">filterCtrl <- sbfControl(functions = rfSBF, <\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> method = <span class=\"code-snippet__string\" style=\"box-sizing: border-box;\">\"repeatedcv\"<\/span>, repeats = <span class=\"code-snippet__number\" style=\"box-sizing: border-box;\">5<\/span>,<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> saveDetails = <span class=\"code-snippet__literal\" style=\"box-sizing: border-box;\">TRUE<\/span>)<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">rfWithFilter <- sbf(y=y,x=x, data=iris, sbfControl = filterCtrl)<\/span><\/code><\/pre>\n<\/section>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;box-sizing: border-box;\">\n<section style=\"max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.3896457765667575\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/3_4nhyselic21icgQia0myfUEuKYLvcA.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/YHGRXkSxjSSk7ZoWicdVQOicVXLzha1aDPFrvz42Or1U75XPY9ianNONZOGQUf4nhyselic21icgQia0myfUEuKYLvcA\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"734\" style=\"vertical-align: middle;max-width: 100%;width: 100%;box-sizing: border-box;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<p style=\"white-space: normal;margin: 0px;padding: 0px;box-sizing: border-box;\">\u8fc7\u6ee4\u6cd5\u7ed3\u679c\u663e\u793a4\u4e2a\u7279\u5f81\u90fd\u88ab\u9009\u51fa<\/p>\n<section style=\"font-size: 12px;line-height: 0;padding: 0px;box-sizing: border-box;\">\n<p style=\"white-space: normal;margin: 0px;padding: 0px;box-sizing: border-box;\"><br style=\"box-sizing: border-box;\" \/><\/p>\n<\/section>\n<section style=\"padding: 0px 10px;box-sizing: border-box;\">\n<p style=\"white-space: normal;margin: 0px;padding: 0px;box-sizing: border-box;\">2\u3001\u9012\u5f52\u7279\u5f81\u6d88\u9664(Recursive Feature Elimination\uff0cRFE)<\/p>\n<\/section>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">subsets <- <span class=\"code-snippet__built_in\" style=\"box-sizing: border-box;\">c<\/span>(<span class=\"code-snippet__number\" style=\"box-sizing: border-box;\">1<\/span>:<span class=\"code-snippet__number\" style=\"box-sizing: border-box;\">4<\/span>)<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">set.seed(<span class=\"code-snippet__number\" style=\"box-sizing: border-box;\">10<\/span>)<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">ctrl <- rfeControl(functions = rfFuncs,<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> method = <span class=\"code-snippet__string\" style=\"box-sizing: border-box;\">\"repeatedcv\"<\/span>,<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> repeats = <span class=\"code-snippet__number\" style=\"box-sizing: border-box;\">5<\/span>,<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> verbose = <span class=\"code-snippet__literal\" style=\"box-sizing: border-box;\">FALSE<\/span>)<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">rfProfile <- rfe(x, y,<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> sizes = subsets,<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> rfeControl = ctrl)<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">rfProfile<\/span><\/code><\/pre>\n<\/section>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;box-sizing: border-box;\">\n<section style=\"max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.4631578947368421\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/4_ZfP5GzO5tegAIDk1futYCYO4JUDenQ.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/YHGRXkSxjSSk7ZoWicdVQOicVXLzha1aDPjibYuYypcvicZUPqFtjVSrFeZlZfP5GzO5tegAIDk1futYCYO4JUDenQ\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"570\" style=\"vertical-align: middle;max-width: 100%;width: 100%;box-sizing: border-box;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"><span class=\"code-snippet__comment\" style=\"box-sizing: border-box;\">#RFE\u7ed3\u679c\u663e\u793a\uff0cPetal.Width\u548cPetal.Length\u4e24\u4e2a\u53d8\u91cf\u88ab\u9009\u51fa<\/span><\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"><span class=\"code-snippet__comment\" style=\"box-sizing: border-box;\">#\u7ed3\u679c\u53ef\u89c6\u5316<\/span><\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">plot(rfProfile, type = <span class=\"code-snippet__built_in\" style=\"box-sizing: border-box;\">c<\/span>(<span class=\"code-snippet__string\" style=\"box-sizing: border-box;\">\"g\"<\/span>, <span class=\"code-snippet__string\" style=\"box-sizing: border-box;\">\"o\"<\/span>))<\/span><\/code><\/pre>\n<\/section>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;box-sizing: border-box;\">\n<section style=\"max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.985781990521327\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/5_8LYkxGibRYVvhCA7fCb8plYibTEVtw.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/YHGRXkSxjSSk7ZoWicdVQOicVXLzha1aDP2Bib1We7FCYicQh668E3UN95VricM8LYkxGibRYVvhCA7fCb8plYibTEVtw\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"422\" style=\"vertical-align: middle;max-width: 100%;width: 100%;box-sizing: border-box;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<p style=\"white-space: normal;margin: 0px;padding: 0px;box-sizing: border-box;\">\u53ef\u4ee5\u770b\u5230\u9009\u62e9\u4e24\u4e2a\u53d8\u91cf\u65f6\uff0c\u5206\u7c7b\u6548\u679c\u6700\u597d<\/p>\n<p style=\"white-space: normal;margin: 0px;padding: 0px;box-sizing: border-box;\">3\u3001\u57fa\u56e0\u7b97\u6cd5\u7279\u5f81\u9009\u62e9<\/p>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">ga_ctrl <- gafsControl(functions = rfGA,<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> method = <span class=\"code-snippet__string\" style=\"box-sizing: border-box;\">\"cv\"<\/span><\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> )<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">set.seed(<span class=\"code-snippet__number\" style=\"box-sizing: border-box;\">10<\/span>)<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">rf_ga <- gafs(x = x, y = factor(y),<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> iters = <span class=\"code-snippet__number\" style=\"box-sizing: border-box;\">5<\/span>,<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> gafsControl = ga_ctrl)<\/span><\/code><\/pre>\n<\/section>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;box-sizing: border-box;\">\n<section style=\"max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.1258741258741259\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/6_gB6WCYPPJnicMEMddCGxqPYApuksZA.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/YHGRXkSxjSSk7ZoWicdVQOicVXLzha1aDPWbDUbQzyfWSn8PSmfXy9OlQkmgB6WCYPPJnicMEMddCGxqPYApuksZA\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"286\" style=\"vertical-align: middle;max-width: 100%;width: 100%;box-sizing: border-box;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<p style=\"white-space: normal;margin: 0px;padding: 0px;box-sizing: border-box;\">\u53ef\u4ee5\u770b\u5230\u57fa\u56e0\u7b97\u6cd5\u9009\u62e9\u7684\u53d8\u91cf\u548cRFE\u9009\u62e9\u7684\u53d8\u91cf\u4e00\u81f4\u3002<\/p>\n<p style=\"white-space: normal;margin: 0px;padding: 0px;box-sizing: border-box;\">4\u3001\u6a21\u62df\u9000\u706b\uff08Simulated Annealing\uff09\u7b97\u6cd5\u7279\u5f81\u9009\u62e9<\/p>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">sa_ctrl <- safsControl(functions = rfSA,<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> method = <span class=\"code-snippet__string\" style=\"box-sizing: border-box;\">\"cv\"<\/span>,<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> improve= <span class=\"code-snippet__number\" style=\"box-sizing: border-box;\">50<\/span>)<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\"><br \/><\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">set.seed(<span class=\"code-snippet__number\" style=\"box-sizing: border-box;\">10<\/span>)<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">rf_sa <- safs(x = x, y = factor(y),<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> iters = <span class=\"code-snippet__number\" style=\"box-sizing: border-box;\">50<\/span>,<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> safsControl = sa_ctrl)<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">rf_sa$optVariables<\/span><\/code><\/pre>\n<\/section>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;box-sizing: border-box;\">\n<section style=\"max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.1258741258741259\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/7_ac7ibDDbQNvvia67tQjNXGAruLiafg.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/YHGRXkSxjSSk7ZoWicdVQOicVXLzha1aDPvaXwBTzq5QNo8EYwibgcM6NPdMZmac7ibDDbQNvvia67tQjNXGAruLiafg\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"286\" style=\"vertical-align: middle;max-width: 100%;width: 100%;box-sizing: border-box;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"><span class=\"code-snippet__comment\" style=\"box-sizing: border-box;\">#\u53ef\u4ee5\u770b\u51fa\u6a21\u62df\u9000\u706b\u7b97\u6cd5\u9009\u62e9\u7684\u53d8\u91cf\u4e0e\u5176\u4ed6\u51e0\u79cd\u5747\u4e0d\u76f8\u540c<\/span><\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"><span class=\"code-snippet__comment\" style=\"box-sizing: border-box;\">#\u4e3a\u4e86\u6d4b\u8bd5\u4e00\u4e0b\u7ed3\u679c\uff0c\u6211\u4eec\u901a\u8fc7lattice\u5305\u7684xyplot\u65b9\u6cd5\u6765\u770b\u770b\u6570\u636e\u5206\u5e03\u60c5\u51b5<\/span><\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">library(lattice)<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"><span class=\"code-snippet__comment\" style=\"box-sizing: border-box;\">#\u4f7f\u7528Petal.Length\u548cPetal.Width\u4e24\u4e2a\u7279\u5f81\u7ef4\u5ea6\u6765\u67e5\u770b\u6570\u636e<\/span><\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">xyplot(Petal.Length ~ Petal.Width, data = iris,<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> groups = Species,<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> auto.key = <span class=\"code-snippet__built_in\" style=\"box-sizing: border-box;\">list<\/span>(corner=<span class=\"code-snippet__built_in\" style=\"box-sizing: border-box;\">c<\/span>(<span class=\"code-snippet__number\" style=\"box-sizing: border-box;\">1<\/span>, <span class=\"code-snippet__number\" style=\"box-sizing: border-box;\">0<\/span>)))<\/span><\/code><\/pre>\n<\/section>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;box-sizing: border-box;\">\n<section style=\"max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.9858823529411764\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/8_MY9262n4KCvxSPmKtePZLncbadwicg.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/YHGRXkSxjSSk7ZoWicdVQOicVXLzha1aDP8mMxpz16lL7ElY0L994zJHmgNMY9262n4KCvxSPmKtePZLncbadwicg\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"425\" style=\"vertical-align: middle;max-width: 100%;width: 100%;box-sizing: border-box;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"><span class=\"code-snippet__comment\" style=\"box-sizing: border-box;\">#\u53ef\u4ee5\u770b\u5230\uff0c\u5982\u679c\u9009\u62e9\u57fa\u56e0\u7b97\u6cd5\u548cRFE\u7b97\u6cd5\u9009\u62e9\u7684\u53d8\u91cfPetal.Length\u548cPetal.Width\u6765\u67e5\u770b\u6570\u636e\uff0c\u5206\u7c7b\u4e3asetosa\u7684\u6570\u636e\u53ef\u4ee5\u88ab\u5f88\u597d\u7684\u533a\u5206\u5f00\u6765\uff0c\u4f46\u662fversicolor\u548cvirginica\u4e24\u7c7b\u5e76\u4e0d\u80fd\u88ab\u5f88\u597d\u7684\u533a\u5206\uff0c\u4e0d\u8fc7\u4e5f\u6ca1\u6709\u5b8c\u5168\u4ea4\u878d\u5728\u4e00\u8d77\uff0c\u8868\u73b0\u8fd8\u4e0d\u9519<\/span><\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"><span class=\"code-snippet__comment\" style=\"box-sizing: border-box;\">#\u6211\u4eec\u518d\u6765\u8bd5\u8bd5\u6a21\u62df\u9000\u706b\u7b97\u6cd5\u9009\u62e9\u7684\u7279\u5f81\u7ed3\u679c<\/span><\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\">xyplot(Sepal.Length ~ Petal.Length, data = iris,<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> groups = Species,<\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"> auto.key = <span class=\"code-snippet__built_in\" style=\"box-sizing: border-box;\">list<\/span>(corner=<span class=\"code-snippet__built_in\" style=\"box-sizing: border-box;\">c<\/span>(<span class=\"code-snippet__number\" style=\"box-sizing: border-box;\">1<\/span>, <span class=\"code-snippet__number\" style=\"box-sizing: border-box;\">0<\/span>)))<\/span><\/code><\/pre>\n<\/section>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;box-sizing: border-box;\">\n<section style=\"max-width: 100%;vertical-align: middle;display: inline-block;line-height: 0;box-sizing: border-box;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"1\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/9_icYtV9VMOGeiaAHgAhRnhG8YZotfLQ.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/YHGRXkSxjSSk7ZoWicdVQOicVXLzha1aDPSn5TfW5uQQqrb8s8Rd0w1UJMbIicYtV9VMOGeiaAHgAhRnhG8YZotfLQ\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"421\" style=\"vertical-align: middle;max-width: 100%;width: 100%;box-sizing: border-box;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"><span class=\"code-snippet__comment\" style=\"box-sizing: border-box;\">#\u540c\u6837\u7684\uff0c\u53ef\u4ee5\u770b\u51fasetosa\u5206\u7c7b\u53ef\u4ee5\u88ab\u5f88\u597d\u7684\u533a\u5206\u5f00\u6765\uff0c\u4f46\u662fversicolor\u548cvirginica\u4e24\u7c7b\u5e76\u4e0d\u80fd\u88ab\u5f88\u597d\u7684\u533a\u5206\uff0c\u5e76\u4e14\u6709\u4e00\u4e9b\u6837\u672c\u8fd8\u88ab\u6df7\u5728\u4e00\u8d77\uff0c<\/span><\/span><\/code><code style=\"box-sizing: border-box;\"><span class=\"code-snippet_outer\" style=\"box-sizing: border-box;\"><span class=\"code-snippet__comment\" style=\"box-sizing: border-box;\">#\u603b\u7ed3\u4e00\u4e0b\uff0c\u57fa\u56e0\u7b97\u6cd5\u548cRFE\u7b97\u6cd5\u4ee5\u53ca\u6a21\u62df\u9000\u706b\u7b97\u6cd5\u90fd\u5b9e\u73b0\u4e86\u7279\u5f81\u63d0\u53d6\uff0c\u51cf\u5c11\u4e86\u7279\u5f81\u6570\u91cf\uff0c\u5e76\u4e14\u57fa\u56e0\u7b97\u6cd5\u548cRFE\u7b97\u6cd5\u63d0\u53d6\u7ed3\u679c\u8868\u73b0\u4f18\u5f02\u3002<\/span><\/span><\/code><\/pre>\n<\/section>\n<section style=\"display: flex;flex-flow: row;margin: 10px 0% 20px;text-align: left;justify-content: flex-start;box-sizing: border-box;\">\n<section style=\"display: inline-block;vertical-align: top;width: auto;flex: 0 0 0%;height: auto;align-self: flex-start;line-height: 0;box-sizing: border-box;\">\n<section style=\"text-align: right;margin: 0px 0% -20px;box-sizing: border-box;\">\n<section style=\"display: inline-block;width: 8px;height: 20px;vertical-align: top;overflow: hidden;border-width: 0px;border-style: none;border-color: rgb(62, 62, 62);background-color: rgb(245, 241, 224);box-sizing: border-box;\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<\/section>\n<section style=\"text-align: center;box-sizing: border-box;\">\n<section style=\"display: inline-block;width: 16px;height: 20px;vertical-align: top;overflow: hidden;border-width: 0px;border-radius: 21px 21px 0px 0px;border-style: none;border-color: rgb(62, 62, 62);background-color: rgb(231, 215, 173);box-sizing: border-box;\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<\/section>\n<\/section>\n<section style=\"display: inline-block;vertical-align: top;width: auto;background-color: rgb(245, 241, 224);flex: 100 100 0%;align-self: flex-start;height: auto;border-right: 0px rgb(62, 62, 62);border-top-right-radius: 12px;overflow: hidden;box-shadow: rgb(231, 215, 173) 0px 6px 0px;box-sizing: border-box;\">\n<section style=\"margin: 20px 0% 30px;box-sizing: border-box;\">\n<section style=\"padding: 0px 23px;text-align: justify;line-height: 1.8;box-sizing: border-box;\">\n<p style=\"white-space: normal;margin: 0px;padding: 0px;box-sizing: border-box;\">\u597d\u4e86\uff0ccaret\u5305\u7684\u57fa\u672c\u529f\u80fd\uff0c\u5927\u6d77\u54e5\u90fd\u4ecb\u7ecd\u5b8c\u4e86\uff0c\u603b\u89c8\u5168\u6587\uff0c\u5168\u662f\u5e72\u8d27~<br style=\"box-sizing: border-box;\" \/>\u6700\u540e\u603b\u7ed3\u4e00\u4e0b\u8fd9\u4e2a\u5f3a\u5927\u7684R\u5305\u5427\uff01\u4e0d\u96be\u770b\u51fa\uff0ccaret\u662f\u4e00\u4e2a\u975e\u5e38\u5f3a\u5927\u4e14\u7075\u6d3b\u7684\u673a\u5668\u5b66\u4e60\u5305\uff0c\u9002\u7528\u4e8e\u4ece\u6570\u636e\u9884\u5904\u7406\u5230\u6a21\u578b\u9009\u62e9\u548c\u8bc4\u4f30\u7684\u6574\u4e2a\u673a\u5668\u5b66\u4e60\u6d41\u7a0b\u3002\u65e0\u8bba\u4f60\u662f\u751f\u7269\u4fe1\u606f\u5b66\u521d\u5b66\u8005\u8fd8\u662f\u7ecf\u9a8c\u4e30\u5bcc\u7684\u6570\u636e\u79d1\u5b66\u5bb6\uff0c\u90fd\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528caret\u6765\u7b80\u5316\u548c\u4f18\u5316\u4f60\u7684\u673a\u5668\u5b66\u4e60\u5de5\u4f5c\u6d41\u7a0b\uff0c\u8fd9\u4e2a\u5305\u53ef\u4ee5\u5e2e\u4f60\u5b9e\u73b0\u751f\u7269\u4fe1\u606f\u5b66\u5206\u6790\u4e2d\u9047\u5230\u7684\u5927\u591a\u6570\u673a\u5668\u5b66\u4e60\u5206\u6790\u6d41\u7a0b\u3002<br style=\"box-sizing: border-box;\" 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