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style=\"vertical-align: middle;display: inline-block;line-height: 0;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.5858064516129032\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/2_GBmd7wmPNr2YKnZZiae1UWqxSUmzqw.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEXuWkcJI9W3hTkaTibAoVt42NiaH268w3vVWuCiabajCJPG8bXOGBmd7wmPNr2YKnZZiae1UWqxSUmzqw\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"775\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<section style=\"text-align: left;margin: 10px 0% -56px;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 90px;height: 90px;vertical-align: top;overflow: hidden;background-image: radial-gradient(at 20% 25%, rgb(255, 234, 128) 0%, rgba(255, 234, 128, 0) 70%);border-width: 0px;border-radius: 100px;border-style: none;border-color: rgb(62, 62, 62);box-shadow: 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0%;margin-left: 0%;transform: translate3d(-9px, 0px, 0px);display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: auto;vertical-align: top;min-width: 10%;flex: 0 0 auto;height: auto;border-bottom: 0px solid rgb(62, 62, 62);border-bottom-right-radius: 0px;border-right: 1px solid rgb(0, 0, 0);border-top-right-radius: 0px;align-self: flex-start;\">\n<section style=\"margin: 8px 0% 13px;transform: translate3d(11px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"background-color: rgb(0, 0, 0);height: 1px;\"><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>\n<\/section>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;\" powered-by=\"xiumi.us\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.30013106159895153\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/3_4O4rS5ryxIz0y8mh1BsXsKt8agm8yw.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEXuWkcJI9W3hTkaTibAoVt421zD41pXbr4eWGRnqxCY1RCnm4O4rS5ryxIz0y8mh1BsXsKt8agm8yw\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"763\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<section style=\"text-align: left;margin: 10px 0% -56px;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 90px;height: 90px;vertical-align: top;overflow: hidden;background-image: radial-gradient(at 20% 25%, rgb(255, 234, 128) 0%, rgba(255, 234, 128, 0) 70%);border-width: 0px;border-radius: 100px;border-style: none;border-color: rgb(62, 62, 62);box-shadow: rgba(255, 255, 255, 0) 0px 0px 0px inset;\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<\/section>\n<section style=\"margin-right: 0%;margin-bottom: 10px;margin-left: 0%;text-align: left;justify-content: flex-start;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 100%;vertical-align: top;background-color: rgba(255, 255, 255, 0);padding-left: 22px;border-width: 0px;align-self: flex-start;flex: 0 0 auto;\">\n<section style=\"margin-top: 20px;margin-right: 0%;margin-left: 0%;text-align: justify;justify-content: flex-start;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 100%;vertical-align: top;border-left: 1px solid rgb(62, 62, 62);border-bottom-left-radius: 0px;align-self: flex-start;flex: 0 0 auto;\">\n<section style=\"margin: -33px 0% 20px;text-align: center;transform: translate3d(1px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"text-align: justify;\">\n<p style=\"text-indent: 2em;margin-bottom: 12px;text-wrap: wrap;\">\u8499\u7279\u5361\u6d1b\u4ea4\u53c9\u9a8c\u8bc1\uff08\u5b50\u62bd\u6837\uff09\u4e5f\u662f\u4e00\u79cd\u4e0d\u9519\u7684\u65b9\u6cd5\u3002\u4e0e\u4f20\u7edf\u7684k\u6298\u4ea4\u53c9\u9a8c\u8bc1\u4e0d\u540c\uff0c\u8499\u7279\u5361\u6d1b\u4ea4\u53c9\u9a8c\u8bc1\u4e0d\u662f\u5c06\u6570\u636e\u5212\u5206\u4e3a\u56fa\u5b9a\u7684\u6298\uff0c\u800c\u662f\u901a\u8fc7\u591a\u6b21\u968f\u673a\u62bd\u6837\u6765\u8fdb\u884c\u8bad\u7ec3\u548c\u6d4b\u8bd5\u3002<\/p>\n<p style=\"text-indent: 2em;margin-bottom: 12px;text-wrap: wrap;\">Bootstrap\u65b9\u6cd5\u662f\u4e00\u79cd\u53e4\u8001\u7684\u7edf\u8ba1\u5b66\u91cd\u91c7\u6837\u65b9\u6cd5\uff0c\u4ece\u539f\u59cb\u6570\u636e\u96c6\u4e2d\u6709\u653e\u56de\u5730\u62bd\u53d6\u591a\u4e2a\u6837\u672c\uff0c\u6bcf\u6b21\u62bd\u53d6\u7684\u6837\u672c\u5927\u5c0f\u4e0d\u4e00\u5b9a\u4e0e\u539f\u59cb\u6570\u636e\u96c6\u76f8\u540c\uff0c\u4e14\u53ef\u80fd\u5305\u542b\u91cd\u590d\u7684\u89c2\u6d4b\u3002\u5229\u7528\u65b0\u7684\u89c2\u6d4b\u4f5c\u4e3a\u65b0\u7684\u6837\u672c\u8fdb\u884c\u673a\u5668\u5b66\u4e60\u4efb\u52a1\u7684\u6784\u5efa\u3002<\/p>\n<p style=\"text-indent: 2em;margin-bottom: 12px;text-wrap: wrap;\">\u90a3\u4e48\uff0c\u4e0b\u9762\u5c0f\u5e08\u59b9\u5c06\u5e26\u5927\u5bb6\u901a\u8fc7R\u8bed\u8a00\u5b66\u4e60mlr3\u4e2d\u7684\u91cd\u91c7\u6837\u6280\u672f\uff01<\/p>\n<p style=\"text-indent: 2em;margin-bottom: 12px;text-wrap: wrap;\">\u9996\u5148\u6211\u4eec\u5bfc\u5165\u9700\u8981\u7684R\u5305:<\/p>\n<p><br \/><\/p>\n<\/section>\n<\/section>\n<section style=\"text-align: right;justify-content: flex-end;margin-right: 0%;margin-left: 0%;transform: translate3d(-9px, 0px, 0px);display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: auto;vertical-align: top;min-width: 10%;flex: 0 0 auto;height: auto;border-bottom: 0px solid rgb(62, 62, 62);border-bottom-right-radius: 0px;border-right: 1px solid rgb(0, 0, 0);border-top-right-radius: 0px;align-self: flex-start;\">\n<section style=\"margin: 8px 0% 13px;transform: translate3d(11px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"background-color: rgb(0, 0, 0);height: 1px;\"><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>\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<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"c\"><code><span class=\"code-snippet_outer\">library(mlr3) <\/span><\/code><\/pre>\n<\/section>\n<section style=\"margin: 10px 0%;text-align: left;justify-content: flex-start;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;vertical-align: middle;width: auto;min-width: 10%;flex: 0 0 auto;height: auto;border-width: 0px;align-self: center;\">\n<section style=\"\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 90px;height: 90px;vertical-align: top;overflow: hidden;background-image: radial-gradient(at 20% 25%, rgb(255, 234, 128) 0%, rgba(255, 234, 128, 0) 70%);border-width: 0px;border-radius: 100px;border-style: none;border-color: rgb(62, 62, 62);box-shadow: rgba(255, 255, 255, 0) 0px 0px 0px inset;\"><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: middle;width: auto;min-width: 10%;flex: 0 0 auto;height: auto;margin-left: -48px;border-width: 0px;border-bottom-style: solid;border-bottom-color: rgb(62, 62, 62);border-bottom-right-radius: 0px;align-self: center;\">\n<section style=\"justify-content: flex-start;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 100%;vertical-align: top;border-bottom: 1px solid rgb(0, 0, 0);border-bottom-right-radius: 0px;align-self: flex-start;flex: 0 0 auto;\">\n<section style=\"margin-top: 5px;margin-right: 0%;margin-left: 0%;\" powered-by=\"xiumi.us\">\n<section style=\"color: rgb(0, 0, 0);font-size: 22px;line-height: 1.4;letter-spacing: 0px;text-align: justify;\">\n<p>\u4e00.\u6784\u5efa\u91cd\u91c7\u6837\u7b56\u7565<\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"text-align: left;margin: 10px 0% -56px;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 90px;height: 90px;vertical-align: top;overflow: hidden;background-image: radial-gradient(at 20% 25%, rgb(255, 234, 128) 0%, rgba(255, 234, 128, 0) 70%);border-width: 0px;border-radius: 100px;border-style: none;border-color: rgb(62, 62, 62);box-shadow: rgba(255, 255, 255, 0) 0px 0px 0px inset;\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<\/section>\n<section style=\"margin-right: 0%;margin-bottom: 10px;margin-left: 0%;text-align: left;justify-content: flex-start;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 100%;vertical-align: top;background-color: rgba(255, 255, 255, 0);padding-left: 22px;border-width: 0px;align-self: flex-start;flex: 0 0 auto;\">\n<section style=\"margin-top: 20px;margin-right: 0%;margin-left: 0%;text-align: justify;justify-content: flex-start;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 100%;vertical-align: top;border-left: 1px solid rgb(62, 62, 62);border-bottom-left-radius: 0px;align-self: flex-start;flex: 0 0 auto;\">\n<section style=\"margin: -33px 0% 20px;text-align: center;transform: translate3d(1px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"text-align: justify;\">\n<p style=\"text-indent: 2em;text-wrap: wrap;\">\u53ef\u4ee5\u901a\u8fc7mlr_resamplings\u51fd\u6570\u8bfb\u53d6mlr3\u5305\u4e2d\u5b58\u50a8\u4e86\u54ea\u4e9b\u5177\u4f53\u7684\u91cd\u91c7\u6837\u65b9\u6cd5\uff0c<\/p>\n<\/section>\n<\/section>\n<section style=\"text-align: right;justify-content: flex-end;margin-right: 0%;margin-left: 0%;transform: translate3d(-9px, 0px, 0px);display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: auto;vertical-align: top;min-width: 10%;flex: 0 0 auto;height: auto;border-bottom: 0px solid rgb(62, 62, 62);border-bottom-right-radius: 0px;border-right: 1px solid rgb(0, 0, 0);border-top-right-radius: 0px;align-self: flex-start;\">\n<section style=\"margin: 8px 0% 13px;transform: translate3d(11px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"background-color: rgb(0, 0, 0);height: 1px;\"><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>\n<\/section>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;\" powered-by=\"xiumi.us\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.3263785394932936\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/4_1NG70ShMveh5wI6odL6QPWx7EQdeXg.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEXuWkcJI9W3hTkaTibAoVt425bJv1oGibI1WR2XZkQnUv6geJ1NG70ShMveh5wI6odL6QPWx7EQdeXg\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"671\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<section style=\"text-align: left;margin: 10px 0% -56px;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 90px;height: 90px;vertical-align: top;overflow: hidden;background-image: radial-gradient(at 20% 25%, rgb(255, 234, 128) 0%, rgba(255, 234, 128, 0) 70%);border-width: 0px;border-radius: 100px;border-style: none;border-color: rgb(62, 62, 62);box-shadow: rgba(255, 255, 255, 0) 0px 0px 0px inset;\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<\/section>\n<section style=\"margin-right: 0%;margin-bottom: 10px;margin-left: 0%;text-align: left;justify-content: flex-start;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 100%;vertical-align: top;background-color: rgba(255, 255, 255, 0);padding-left: 22px;border-width: 0px;align-self: flex-start;flex: 0 0 auto;\">\n<section style=\"margin-top: 20px;margin-right: 0%;margin-left: 0%;text-align: justify;justify-content: flex-start;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 100%;vertical-align: top;border-left: 1px solid rgb(62, 62, 62);border-bottom-left-radius: 0px;align-self: flex-start;flex: 0 0 auto;\">\n<section style=\"margin: -33px 0% 20px;text-align: center;transform: translate3d(1px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"text-align: justify;\">\n<p style=\"text-indent: 2em;margin-bottom: 12px;text-wrap: wrap;\">\u5176\u4e2d\uff0c\u7b2c\u4e00\u5217\u8868\u793a\u91cd\u91c7\u6837\u65b9\u6cd5\u7684\u5173\u952e\u5b57\uff0c\u5373\u6211\u4eec\u5728\u9009\u53d6\u91cd\u91c7\u6837\u65b9\u6cd5\u7684\u65f6\u5019\u9700\u8981\u6307\u5b9a\u7684\u5bf9\u8c61\uff0c\u7b2c\u4e8c\u5217\u662f\u91cd\u91c7\u6837\u65b9\u6cd5\u7684\u5168\u540d\uff0c\u7b2c\u4e09\u5217\u662f\u4f7f\u7528\u8be5\u91cd\u91c7\u6837\u65b9\u6cd5\u9700\u8981\u8f93\u5165\u7684\u53c2\u6570\uff0c\u7b2c\u56db\u5217\u662f\u5728\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u6267\u884c\u91cd\u91c7\u6837\u65b9\u6cd5\u7684\u8fed\u4ee3\u6b21\u6570\u3002<\/p>\n<p style=\"text-indent: 2em;margin-bottom: 12px;text-wrap: wrap;\">\u53ef\u4ee5\u901a\u8fc7\u5c06\u5177\u4f53\u7684\u201dkey\u201d\u548c\u76f8\u5e94\u7684\u53c2\u6570\u4f20\u9012\u7ed9\u51fd\u6570rsmp()\uff0c\u4ece\u800c\u4f7f\u7528\u91cd\u91c7\u6837\u65b9\u6cd5\u3002<\/p>\n<p><br \/><\/p>\n<\/section>\n<\/section>\n<section style=\"text-align: right;justify-content: flex-end;margin-right: 0%;margin-left: 0%;transform: translate3d(-9px, 0px, 0px);display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: auto;vertical-align: top;min-width: 10%;flex: 0 0 auto;height: auto;border-bottom: 0px solid rgb(62, 62, 62);border-bottom-right-radius: 0px;border-right: 1px solid rgb(0, 0, 0);border-top-right-radius: 0px;align-self: flex-start;\">\n<section style=\"margin: 8px 0% 13px;transform: translate3d(11px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"background-color: rgb(0, 0, 0);height: 1px;\"><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>\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=\"c\"><code><span class=\"code-snippet_outer\">as.data.table(mlr_resamplings) <\/span><\/code><code><span class=\"code-snippet_outer\"># \u4e09\u6298\u4ea4\u53c9\u9a8c\u8bc1 <\/span><\/code><code><span class=\"code-snippet_outer\">cv3 = rsmp(<span class=\"code-snippet__string\">\"cv\"<\/span>, folds = <span class=\"code-snippet__number\">3<\/span>) <\/span><\/code><code><span class=\"code-snippet_outer\"># \u5b50\u62bd\u6837 \uff08\u5c06\u6837\u672c\u5212\u5206\u4e3a<span class=\"code-snippet__number\">9<\/span>\uff1a<span class=\"code-snippet__number\">1<\/span>\uff0c\u5e76\u91cd\u590d<span class=\"code-snippet__number\">3<\/span>\u6b21\uff09 <\/span><\/code><code><span class=\"code-snippet_outer\">ss390 = rsmp(<span class=\"code-snippet__string\">\"subsampling\"<\/span>, repeats = <span class=\"code-snippet__number\">3<\/span>, ratio = <span class=\"code-snippet__number\">0.9<\/span>) <\/span><\/code><code><span class=\"code-snippet_outer\"># \u4e24\u6b21\u4e94\u6298\u4ea4\u53c9\u9a8c\u8bc1 <\/span><\/code><code><span class=\"code-snippet_outer\">rcv25 = rsmp(<span class=\"code-snippet__string\">\"repeated_cv\"<\/span>, repeats = <span class=\"code-snippet__number\">2<\/span>, folds = <span class=\"code-snippet__number\">5<\/span>) <\/span><\/code><\/pre>\n<\/section>\n<p style=\"text-indent: 2em;text-wrap: wrap;\" powered-by=\"xiumi.us\"><br \/><\/p>\n<section style=\"text-align: left;margin: 10px 0% -56px;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 90px;height: 90px;vertical-align: top;overflow: hidden;background-image: radial-gradient(at 20% 25%, rgb(255, 234, 128) 0%, rgba(255, 234, 128, 0) 70%);border-width: 0px;border-radius: 100px;border-style: none;border-color: rgb(62, 62, 62);box-shadow: rgba(255, 255, 255, 0) 0px 0px 0px inset;\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<\/section>\n<section style=\"margin-right: 0%;margin-bottom: 10px;margin-left: 0%;text-align: left;justify-content: flex-start;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 100%;vertical-align: top;background-color: rgba(255, 255, 255, 0);padding-left: 22px;border-width: 0px;align-self: flex-start;flex: 0 0 auto;\">\n<section style=\"margin-top: 20px;margin-right: 0%;margin-left: 0%;text-align: justify;justify-content: flex-start;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 100%;vertical-align: top;border-left: 1px solid rgb(62, 62, 62);border-bottom-left-radius: 0px;align-self: flex-start;flex: 0 0 auto;\">\n<section style=\"margin: -33px 0% 20px;text-align: center;transform: translate3d(1px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"text-align: justify;\">\n<p style=\"text-indent: 2em;text-wrap: wrap;\">\u53ef\u4ee5\u901a\u8fc7instantiate()\u51fd\u6570\u5728\u7ed9\u5b9a\u4efb\u52a1\u4e0a\u8c03\u7528\u8be5\u65b9\u6cd5\u6765\u624b\u52a8\u5b9e\u4f8b\u5316\u91cd\u91c7\u6837\u7b56\u7565\uff0c\u5373\u751f\u6210\u6240\u6709\u8bad\u7ec3-\u6d4b\u8bd5\u62c6\u5206\u3002\u56e0\u6b64\uff0c\u5c0f\u5e08\u59b9\u5e26\u5927\u5bb6\u4f7f\u7528penguins\u4efb\u52a1\uff0c\u5b9e\u4f8b\u5316\u4e09\u6298 CV\u5bf9\u8c61\uff0c\u7136\u540e\u4f7f\u7528$train_set\u548c$test_set\u8fdb\u884c\u7d22\u5f15<\/p>\n<\/section>\n<\/section>\n<section style=\"text-align: right;justify-content: flex-end;margin-right: 0%;margin-left: 0%;transform: translate3d(-9px, 0px, 0px);display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: auto;vertical-align: top;min-width: 10%;flex: 0 0 auto;height: auto;border-bottom: 0px solid rgb(62, 62, 62);border-bottom-right-radius: 0px;border-right: 1px solid rgb(0, 0, 0);border-top-right-radius: 0px;align-self: flex-start;\">\n<section style=\"margin: 8px 0% 13px;transform: translate3d(11px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"background-color: rgb(0, 0, 0);height: 1px;\"><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>\n<\/section>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;\" powered-by=\"xiumi.us\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.2975206611570248\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/5_3PZQ7p19CibhDEU41D3Satib77jiag.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEXuWkcJI9W3hTkaTibAoVt424EHJicnfU5o4fcZgfBia87FKAEJpP3PZQ7p19CibhDEU41D3Satib77jiag\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"605\" style=\"vertical-align: middle;width: 100%;\" 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=\"c\"><code><span class=\"code-snippet_outer\">tsk_penguins = tsk(<span class=\"code-snippet__string\">\"penguins\"<\/span>) <\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__built_in\">set<\/span>.seed(<span class=\"code-snippet__number\">124<\/span>) <\/span><\/code><code><span class=\"code-snippet_outer\">cv3$instantiate(tsk_penguins)#\u4f7f\u7528tsk_penguins\u8fdb\u884c\u4ea4\u53c9\u9a8c\u8bc1 <\/span><\/code><code><span class=\"code-snippet_outer\"># \u7b2c\u4e00\u6298\u8bad\u7ec3\u96c6\u7684\u524d<span class=\"code-snippet__number\">10<\/span>\u4e2a\u6837\u672c <\/span><\/code><code><span class=\"code-snippet_outer\">cv3$train_set(<span class=\"code-snippet__number\">1<\/span>)[<span class=\"code-snippet__number\">1<\/span>:<span class=\"code-snippet__number\">10<\/span>] <\/span><\/code><code><span class=\"code-snippet_outer\"># \u7b2c\u4e8c\u6298\u6d4b\u8bd5\u96c6\u7684\u524d<span class=\"code-snippet__number\">5<\/span>\u4e2a\u6837\u672c <\/span><\/code><code><span class=\"code-snippet_outer\">cv3$test_set(<span class=\"code-snippet__number\">2<\/span>)[<span class=\"code-snippet__number\">1<\/span>:<span class=\"code-snippet__number\">5<\/span>] <\/span><\/code><\/pre>\n<\/section>\n<p style=\"text-indent: 2em;text-wrap: wrap;\" powered-by=\"xiumi.us\">\u901a\u8fc7\u4e0a\u8ff0\u6784\u9020\u91cd\u91c7\u6837\u7b56\u7565\u7684\u65b9\u6cd5\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u8f7b\u677e\u5c06\u6837\u672c\u5206\u6210\u4e09\u4efd\uff0c\u5e76\u6bcf\u6b21\u5c06\u5176\u4e2d\u7684\u4e00\u4efd\u4f5c\u4e3a\u6d4b\u8bd5\u96c6\uff0c\u5176\u4f59\u4e24\u4efd\u4f5c\u4e3a\u8bad\u7ec3\u96c6\uff0c\u5bf9\u6570\u636e\u8fdb\u884c\u591a\u7ec4\u91cd\u6784\u3002<\/p>\n<section style=\"margin: 10px 0%;text-align: left;justify-content: flex-start;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;vertical-align: middle;width: auto;min-width: 10%;flex: 0 0 auto;height: auto;border-width: 0px;align-self: center;\">\n<section style=\"\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 90px;height: 90px;vertical-align: top;overflow: hidden;background-image: radial-gradient(at 20% 25%, rgb(255, 234, 128) 0%, rgba(255, 234, 128, 0) 70%);border-width: 0px;border-radius: 100px;border-style: none;border-color: rgb(62, 62, 62);box-shadow: rgba(255, 255, 255, 0) 0px 0px 0px inset;\"><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: middle;width: auto;min-width: 10%;flex: 0 0 auto;height: auto;margin-left: -48px;border-width: 0px;border-bottom-style: solid;border-bottom-color: rgb(62, 62, 62);border-bottom-right-radius: 0px;align-self: center;\">\n<section style=\"justify-content: flex-start;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 100%;vertical-align: top;border-bottom: 1px solid rgb(0, 0, 0);border-bottom-right-radius: 0px;align-self: flex-start;flex: 0 0 auto;\">\n<section style=\"margin-top: 5px;margin-right: 0%;margin-left: 0%;\" powered-by=\"xiumi.us\">\n<section style=\"color: rgb(0, 0, 0);font-size: 22px;line-height: 1.4;letter-spacing: 0px;text-align: justify;\">\n<p>\u4e8c.\u6784\u5efa\u91cd\u91c7\u6837\u5b9e\u9a8c<\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"text-align: left;margin: 10px 0% -56px;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 90px;height: 90px;vertical-align: top;overflow: hidden;background-image: radial-gradient(at 20% 25%, rgb(255, 234, 128) 0%, rgba(255, 234, 128, 0) 70%);border-width: 0px;border-radius: 100px;border-style: none;border-color: rgb(62, 62, 62);box-shadow: rgba(255, 255, 255, 0) 0px 0px 0px inset;\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<\/section>\n<section style=\"margin-right: 0%;margin-bottom: 10px;margin-left: 0%;text-align: left;justify-content: flex-start;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 100%;vertical-align: top;background-color: rgba(255, 255, 255, 0);padding-left: 22px;border-width: 0px;align-self: flex-start;flex: 0 0 auto;\">\n<section style=\"margin-top: 20px;margin-right: 0%;margin-left: 0%;text-align: justify;justify-content: flex-start;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 100%;vertical-align: top;border-left: 1px solid rgb(62, 62, 62);border-bottom-left-radius: 0px;align-self: flex-start;flex: 0 0 auto;\">\n<section style=\"margin: -33px 0% 20px;text-align: center;transform: translate3d(1px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"text-align: justify;\">\n<p style=\"text-indent: 2em;text-wrap: wrap;\">\u53ef\u4ee5\u901a\u8fc7resample()\u51fd\u6570\uff0c\u5206\u522b\u8f93\u5165test\uff0clearner\u548c\u76f8\u5e94\u7684\u91cd\u91c7\u6837\u7b56\u7565\uff0c\u6784\u9020\u4e00\u7ec4\u91cd\u91c7\u6837\u5b9e\u9a8c\uff0c\u5728\u8bad\u7ec3\u96c6\u4e0a\u53cd\u590d\u62df\u5408\u6a21\u578b\uff0c\u5e76\u5728\u76f8\u5e94\u7684\u6d4b\u8bd5\u96c6\u4e0a\u8fdb\u884c\u6d4b\u8bd5\u3002<\/p>\n<\/section>\n<\/section>\n<section style=\"text-align: right;justify-content: flex-end;margin-right: 0%;margin-left: 0%;transform: translate3d(-9px, 0px, 0px);display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: auto;vertical-align: top;min-width: 10%;flex: 0 0 auto;height: auto;border-bottom: 0px solid rgb(62, 62, 62);border-bottom-right-radius: 0px;border-right: 1px solid rgb(0, 0, 0);border-top-right-radius: 0px;align-self: flex-start;\">\n<section style=\"margin: 8px 0% 13px;transform: translate3d(11px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"background-color: rgb(0, 0, 0);height: 1px;\"><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>\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=\"c\"><code><span class=\"code-snippet_outer\">#\u91cd\u91c7\u6837\u5b9e\u9a8c <\/span><\/code><code><span class=\"code-snippet_outer\">lrn_rpart = lrn(<span class=\"code-snippet__string\">\"classif.rpart\"<\/span>, cp = <span class=\"code-snippet__number\">0.2<\/span>, maxdepth = <span class=\"code-snippet__number\">5<\/span>) <\/span><\/code><code><span class=\"code-snippet_outer\">r1 = resample(tsk_penguins, lrn_rpart, cv3) <\/span><\/code><code><span class=\"code-snippet_outer\">acc = r1$score(msr(<span class=\"code-snippet__string\">\"classif.ce\"<\/span>)) <\/span><\/code><code><span class=\"code-snippet_outer\">acc <\/span><\/code><code><span class=\"code-snippet_outer\">r1$aggregate(msr(<span class=\"code-snippet__string\">\"classif.ce\"<\/span>)) <\/span><\/code><code><span class=\"code-snippet_outer\">r1$aggregate(msr(<span class=\"code-snippet__string\">\"classif.ce\"<\/span>, average = <span class=\"code-snippet__string\">\"micro\"<\/span>)) <\/span><\/code><\/pre>\n<\/section>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;\" powered-by=\"xiumi.us\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.13385826771653545\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/6_uug3Ejflic8H1AbRpx7o05OOMfKiaw.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEXuWkcJI9W3hTkaTibAoVt42gBqTiaAWMlEauhzeooxvUiaMlGQluug3Ejflic8H1AbRpx7o05OOMfKiaw\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"889\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<section style=\"text-align: left;margin: 10px 0% -56px;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 90px;height: 90px;vertical-align: top;overflow: hidden;background-image: radial-gradient(at 20% 25%, rgb(255, 234, 128) 0%, rgba(255, 234, 128, 0) 70%);border-width: 0px;border-radius: 100px;border-style: none;border-color: rgb(62, 62, 62);box-shadow: rgba(255, 255, 255, 0) 0px 0px 0px inset;\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<\/section>\n<section style=\"margin-right: 0%;margin-bottom: 10px;margin-left: 0%;text-align: left;justify-content: flex-start;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 100%;vertical-align: top;background-color: rgba(255, 255, 255, 0);padding-left: 22px;border-width: 0px;align-self: flex-start;flex: 0 0 auto;\">\n<section style=\"margin-top: 20px;margin-right: 0%;margin-left: 0%;text-align: justify;justify-content: flex-start;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 100%;vertical-align: top;border-left: 1px solid rgb(62, 62, 62);border-bottom-left-radius: 0px;align-self: flex-start;flex: 0 0 auto;\">\n<section style=\"margin: -33px 0% 20px;text-align: center;transform: translate3d(1px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"text-align: justify;\">\n<p style=\"text-indent: 2em;text-wrap: wrap;\">\u53ef\u4ee5\u5c06\u8be5\u51fd\u6570\u7684\u8f93\u5165\u5f53\u6210\u7b80\u5355\u673a\u5668\u5b66\u4e60\u5b9e\u9a8c\u4e2d\u7684predict\u5bf9\u8c61\uff0c\u5e76\u63d0\u53d6\u76f8\u5e94\u7684\u8bc4\u4ef7\u5f97\u5206\u3002<\/p>\n<\/section>\n<\/section>\n<section style=\"text-align: right;justify-content: flex-end;margin-right: 0%;margin-left: 0%;transform: translate3d(-9px, 0px, 0px);display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: auto;vertical-align: top;min-width: 10%;flex: 0 0 auto;height: auto;border-bottom: 0px solid rgb(62, 62, 62);border-bottom-right-radius: 0px;border-right: 1px solid rgb(0, 0, 0);border-top-right-radius: 0px;align-self: flex-start;\">\n<section style=\"margin: 8px 0% 13px;transform: translate3d(11px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"background-color: rgb(0, 0, 0);height: 1px;\"><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>\n<\/section>\n<p style=\"text-indent: 2em;text-wrap: wrap;\" powered-by=\"xiumi.us\"><br \/><\/p>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;\" powered-by=\"xiumi.us\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.21677215189873417\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/7_Eg0jaBkdr9r6ttdwFvu5icMfFcFD9w.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEXuWkcJI9W3hTkaTibAoVt42UcG43hFNcMRHJm5ROnOqzmdu9Eg0jaBkdr9r6ttdwFvu5icMfFcFD9w\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"632\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<section style=\"text-align: left;margin: 10px 0% -56px;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 90px;height: 90px;vertical-align: top;overflow: hidden;background-image: radial-gradient(at 20% 25%, rgb(255, 234, 128) 0%, rgba(255, 234, 128, 0) 70%);border-width: 0px;border-radius: 100px;border-style: none;border-color: rgb(62, 62, 62);box-shadow: rgba(255, 255, 255, 0) 0px 0px 0px inset;\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<\/section>\n<section style=\"margin-right: 0%;margin-bottom: 10px;margin-left: 0%;text-align: left;justify-content: flex-start;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 100%;vertical-align: top;background-color: rgba(255, 255, 255, 0);padding-left: 22px;border-width: 0px;align-self: flex-start;flex: 0 0 auto;\">\n<section style=\"margin-top: 20px;margin-right: 0%;margin-left: 0%;text-align: justify;justify-content: flex-start;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 100%;vertical-align: top;border-left: 1px solid rgb(62, 62, 62);border-bottom-left-radius: 0px;align-self: flex-start;flex: 0 0 auto;\">\n<section style=\"margin: -33px 0% 20px;text-align: center;transform: translate3d(1px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"text-align: justify;\">\n<p style=\"text-indent: 2em;text-wrap: wrap;\">\u53ef\u4ee5\u901a\u8fc7$aggregate\u8fd4\u56de\u6a21\u578b\u7684\u603b\u5f97\u5206\uff0c\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u5373\u4e09\u6b21\u5b9e\u9a8c\u7684acc\u5e73\u5747\u6570\uff0c<\/p>\n<\/section>\n<\/section>\n<section style=\"text-align: right;justify-content: flex-end;margin-right: 0%;margin-left: 0%;transform: translate3d(-9px, 0px, 0px);display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: auto;vertical-align: top;min-width: 10%;flex: 0 0 auto;height: auto;border-bottom: 0px solid rgb(62, 62, 62);border-bottom-right-radius: 0px;border-right: 1px solid rgb(0, 0, 0);border-top-right-radius: 0px;align-self: flex-start;\">\n<section style=\"text-align: center;margin-top: 10px;margin-right: 0%;margin-left: 0%;transform: translate3d(-13px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"font-size: 12px;line-height: 1;letter-spacing: 0px;color: rgb(0, 0, 0);text-align: justify;\">\n<p>SUMMER of 2021<\/p>\n<\/section>\n<\/section>\n<section style=\"margin: 8px 0% 13px;transform: translate3d(11px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"background-color: rgb(0, 0, 0);height: 1px;\"><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>\n<\/section>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;\" powered-by=\"xiumi.us\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.1657754010695187\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/8_zvkzwIicZUF7MZtWCicodACycwTXNw.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEXuWkcJI9W3hTkaTibAoVt42NHibyjfGEM6mDKFkctMgzhUjHkHzvkzwIicZUF7MZtWCicodACycwTXNw\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"374\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<section style=\"text-align: left;margin: 10px 0% -56px;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 90px;height: 90px;vertical-align: top;overflow: hidden;background-image: radial-gradient(at 20% 25%, rgb(255, 234, 128) 0%, rgba(255, 234, 128, 0) 70%);border-width: 0px;border-radius: 100px;border-style: none;border-color: rgb(62, 62, 62);box-shadow: rgba(255, 255, 255, 0) 0px 0px 0px inset;\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<\/section>\n<section style=\"margin-right: 0%;margin-bottom: 10px;margin-left: 0%;text-align: left;justify-content: flex-start;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 100%;vertical-align: top;background-color: rgba(255, 255, 255, 0);padding-left: 22px;border-width: 0px;align-self: flex-start;flex: 0 0 auto;\">\n<section style=\"margin-top: 20px;margin-right: 0%;margin-left: 0%;text-align: justify;justify-content: flex-start;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 100%;vertical-align: top;border-left: 1px solid rgb(62, 62, 62);border-bottom-left-radius: 0px;align-self: flex-start;flex: 0 0 auto;\">\n<section style=\"margin: -33px 0% 20px;text-align: center;transform: translate3d(1px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"padding-right: 24px;padding-left: 24px;text-align: justify;\">\n<p style=\"text-indent: 2em;text-wrap: wrap;\">\u4e5f\u53ef\u4ee5\u901a\u8fc7\u5728$aggregate\u4e2d\u6307\u5b9aaverage = “micro”\uff0c\u6700\u540e\u5c06\u8f93\u51fa\u5fae\u89c2\u5e73\u5747\u503c\uff0c\u5373\u5c06\u4e09\u6b21\u5b9e\u9a8c\u770b\u6210\u4e00\u6b21\uff0c\u5728\u5b9e\u9a8c\u4e2d\u7684\u6bcf\u4e2a\u6837\u672c\u4e2d\u6c42\u5206\u6570\u5e73\u5747\u3002\u4e8b\u5b9e\u4e0a\uff0c\u53ef\u4ee5\u901a\u8fc7\u8ba1\u7b97\u5f88\u7b80\u5355\u5730\u9a8c\u8bc1\uff0c\u5982\u679c\u6d4b\u8bd5\u96c6\u90fd\u5177\u6709\u76f8\u540c\u7684\u5927\u5c0f\uff0c\u90a3\u4e48\u5fae\u89c2\u548c\u5b8f\u89c2\u65b9\u6cd5\u5c06\u662f\u76f8\u540c\u7684\u3002<\/p>\n<\/section>\n<\/section>\n<section style=\"text-align: right;justify-content: flex-end;margin-right: 0%;margin-left: 0%;transform: translate3d(-9px, 0px, 0px);display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: auto;vertical-align: top;min-width: 10%;flex: 0 0 auto;height: auto;border-bottom: 0px solid rgb(62, 62, 62);border-bottom-right-radius: 0px;border-right: 1px solid rgb(0, 0, 0);border-top-right-radius: 0px;align-self: flex-start;\">\n<section style=\"text-align: center;margin-top: 10px;margin-right: 0%;margin-left: 0%;transform: translate3d(-13px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"font-size: 12px;line-height: 1;letter-spacing: 0px;color: rgb(0, 0, 0);text-align: justify;\">\n<p>SUMMER of 2021<\/p>\n<\/section>\n<\/section>\n<section style=\"margin: 8px 0% 13px;transform: translate3d(11px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"background-color: rgb(0, 0, 0);height: 1px;\"><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>\n<\/section>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;\" powered-by=\"xiumi.us\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.12030075187969924\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/9_RrnSPJpTgEB4sDaPBiaZvAhEibIpLg.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEXuWkcJI9W3hTkaTibAoVt42N6q2RROhR6sa62eOvXM8phaApHRrnSPJpTgEB4sDaPBiaZvAhEibIpLg\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"532\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<section style=\"text-align: left;margin: 10px 0% -56px;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 90px;height: 90px;vertical-align: top;overflow: hidden;background-image: radial-gradient(at 20% 25%, rgb(255, 234, 128) 0%, rgba(255, 234, 128, 0) 70%);border-width: 0px;border-radius: 100px;border-style: none;border-color: rgb(62, 62, 62);box-shadow: rgba(255, 255, 255, 0) 0px 0px 0px inset;\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<\/section>\n<section style=\"margin-right: 0%;margin-bottom: 10px;margin-left: 0%;text-align: left;justify-content: flex-start;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 100%;vertical-align: top;background-color: rgba(255, 255, 255, 0);padding-left: 22px;border-width: 0px;align-self: flex-start;flex: 0 0 auto;\">\n<section style=\"margin-top: 20px;margin-right: 0%;margin-left: 0%;text-align: justify;justify-content: flex-start;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 100%;vertical-align: top;border-left: 1px solid rgb(62, 62, 62);border-bottom-left-radius: 0px;align-self: flex-start;flex: 0 0 auto;\">\n<section style=\"margin: -33px 0% 20px;text-align: center;transform: translate3d(1px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"text-align: justify;\">\n<p style=\"text-indent: 2em;margin-bottom: 12px;text-wrap: wrap;\">\u8fd4\u56de\u7684\u603b\u5f97\u5206\u53ef\u4ee5\u4f30\u8ba1\u6211\u4eec\u6240\u9009learner\u5728\u7ed9\u5b9atask\u4e0a\u7684\u6cdb\u5316\u6027\u80fd\uff0c\u4f7f\u7528\u5bf9\u8c61\u4e2d\u5b9a\u4e49\u7684\u91cd\u91c7\u6837\u7b56\u7565\u3002\u867d\u7136\u901a\u5e38\u5bf9\u805a\u5408\u5206\u6570\u611f\u5174\u8da3\uff0c\u4f46\u67e5\u770b\u6bcf\u4e2a\u91cd\u91c7\u6837\u8fed\u4ee3\uff08\u7531\u65b9\u6cd5\u8fd4\u56de\uff09\u7684\u5404\u4e2a\u6027\u80fd\u503c\u4e5f\u5f88\u6709\u7528\u3002<\/p>\n<p style=\"text-indent: 2em;text-wrap: wrap;\">\u6700\u540e\u53ef\u4ee5\u4f7f\u7528mlr3viz\u5305\u8fdb\u884c\u91cd\u91c7\u6837\u7ed3\u679c\u7684\u53ef\u89c6\u5316\uff0c\u8fdb\u800c\u8bc4\u4f30\u6a21\u578b\u7684\u6548\u679c\uff1a<\/p>\n<\/section>\n<\/section>\n<section style=\"text-align: right;justify-content: flex-end;margin-right: 0%;margin-left: 0%;transform: translate3d(-9px, 0px, 0px);display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: auto;vertical-align: top;min-width: 10%;flex: 0 0 auto;height: auto;border-bottom: 0px solid rgb(62, 62, 62);border-bottom-right-radius: 0px;border-right: 1px solid rgb(0, 0, 0);border-top-right-radius: 0px;align-self: flex-start;\">\n<section style=\"text-align: center;margin-top: 10px;margin-right: 0%;margin-left: 0%;transform: translate3d(-13px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"font-size: 12px;line-height: 1;letter-spacing: 0px;color: rgb(0, 0, 0);text-align: justify;\">\n<p>SUMMER of 2021<\/p>\n<\/section>\n<\/section>\n<section style=\"margin: 8px 0% 13px;transform: translate3d(11px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"background-color: rgb(0, 0, 0);height: 1px;\"><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>\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=\"c\"><code><span class=\"code-snippet_outer\">#\u53ef\u89c6\u5316 <\/span><\/code><code><span class=\"code-snippet_outer\">library(mlr3viz) <\/span><\/code><code><span class=\"code-snippet_outer\">rr = resample(tsk_penguins, lrn_rpart, rsmp(<span class=\"code-snippet__string\">\"cv\"<\/span>, folds = <span class=\"code-snippet__number\">10<\/span>)) <\/span><\/code><code><span class=\"code-snippet_outer\">autoplot(rr, measure = msr(<span class=\"code-snippet__string\">\"classif.acc\"<\/span>), type = <span class=\"code-snippet__string\">\"boxplot\"<\/span>) <\/span><\/code><code><span class=\"code-snippet_outer\">autoplot(rr, measure = msr(<span class=\"code-snippet__string\">\"classif.acc\"<\/span>), type = <span class=\"code-snippet__string\">\"histogram\"<\/span>)<\/span><\/code><\/pre>\n<\/section>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;\" powered-by=\"xiumi.us\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.993801652892562\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/10_pRQwQ7ibH2qKmCia328y690ia0qaHg.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEXuWkcJI9W3hTkaTibAoVt42gkZkxaB3EA39UBByD7JkOZQRsiaepRQwQ7ibH2qKmCia328y690ia0qaHg\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"968\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;\" powered-by=\"xiumi.us\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.993801652892562\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/11_DuA2bepfIZA2txf1Kia2HibBf9ZosQ.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEXuWkcJI9W3hTkaTibAoVt424Kjx0AEzaIRkyTFYyN09LCI5BxDuA2bepfIZA2txf1Kia2HibBf9ZosQ\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"968\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<section style=\"display: flex;flex-flow: row;margin-right: 0%;margin-bottom: 10px;margin-left: 0%;text-align: left;justify-content: flex-start;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;vertical-align: top;width: auto;flex: 100 100 0%;align-self: flex-start;height: auto;margin-right: -70px;z-index: 2;padding-top: 23px;padding-right: 23px;padding-left: 23px;box-shadow: rgb(0, 0, 0) 0px 0px 0px;\">\n<section style=\"margin: 10px 0%;text-align: center;transform: translate3d(1px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"text-align: justify;\">\n<p style=\"text-indent: 2em;text-wrap: 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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<p style=\"margin-bottom: 24px;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.5555555555555556\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/12_akXKU5NcO1KwuWc1Rk7ZJ56LC2pYrQ-3.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEXjjmsEC5aXz0RE4be2ib1fJPnBD8yX0Z6OF2zocd2ngHpLOakXKU5NcO1KwuWc1Rk7ZJ56LC2pYrQ\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"900\" style=\"\" data-recalc-dims=\"1\" \/><\/p>\n<p style=\"margin-bottom: 24px;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.35083798882681566\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/13_LzaFJVwzzLgfnj6Qf8lBiaTR4Pziag.jpg?w=640\" 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style=\"text-indent: 2em;margin-bottom: 12px;text-wrap: wrap;\">\u6709\u54ea\u51e0\u79cd\u91cd\u8981\u7684\u91cd\u91c7\u6837\u65b9\u6cd5\u5462\uff1f<\/p>\n<p style=\"text-indent: 2em;margin-bottom: 12px;text-wrap: 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0%;margin-left: 0%;transform: translate3d(-9px, 0px, 0px);display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: auto;vertical-align: top;min-width: 10%;flex: 0 0 auto;height: auto;border-bottom: 0px solid rgb(62, 62, 62);border-bottom-right-radius: 0px;border-right: 1px solid rgb(0, 0, 0);border-top-right-radius: 0px;align-self: flex-start;\">\n<section style=\"margin: 8px 0% 13px;transform: translate3d(11px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"background-color: rgb(0, 0, 0);height: 1px;\"><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>\n<\/section>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;\" powered-by=\"xiumi.us\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.30013106159895153\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/3_4O4rS5ryxIz0y8mh1BsXsKt8agm8yw.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEXuWkcJI9W3hTkaTibAoVt421zD41pXbr4eWGRnqxCY1RCnm4O4rS5ryxIz0y8mh1BsXsKt8agm8yw\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"763\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<section style=\"text-align: left;margin: 10px 0% -56px;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 90px;height: 90px;vertical-align: top;overflow: hidden;background-image: radial-gradient(at 20% 25%, rgb(255, 234, 128) 0%, rgba(255, 234, 128, 0) 70%);border-width: 0px;border-radius: 100px;border-style: none;border-color: rgb(62, 62, 62);box-shadow: rgba(255, 255, 255, 0) 0px 0px 0px inset;\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<\/section>\n<section style=\"margin-right: 0%;margin-bottom: 10px;margin-left: 0%;text-align: left;justify-content: flex-start;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 100%;vertical-align: top;background-color: rgba(255, 255, 255, 0);padding-left: 22px;border-width: 0px;align-self: flex-start;flex: 0 0 auto;\">\n<section style=\"margin-top: 20px;margin-right: 0%;margin-left: 0%;text-align: justify;justify-content: flex-start;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 100%;vertical-align: top;border-left: 1px solid rgb(62, 62, 62);border-bottom-left-radius: 0px;align-self: flex-start;flex: 0 0 auto;\">\n<section style=\"margin: -33px 0% 20px;text-align: center;transform: translate3d(1px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"text-align: justify;\">\n<p style=\"text-indent: 2em;margin-bottom: 12px;text-wrap: wrap;\">\u8499\u7279\u5361\u6d1b\u4ea4\u53c9\u9a8c\u8bc1\uff08\u5b50\u62bd\u6837\uff09\u4e5f\u662f\u4e00\u79cd\u4e0d\u9519\u7684\u65b9\u6cd5\u3002\u4e0e\u4f20\u7edf\u7684k\u6298\u4ea4\u53c9\u9a8c\u8bc1\u4e0d\u540c\uff0c\u8499\u7279\u5361\u6d1b\u4ea4\u53c9\u9a8c\u8bc1\u4e0d\u662f\u5c06\u6570\u636e\u5212\u5206\u4e3a\u56fa\u5b9a\u7684\u6298\uff0c\u800c\u662f\u901a\u8fc7\u591a\u6b21\u968f\u673a\u62bd\u6837\u6765\u8fdb\u884c\u8bad\u7ec3\u548c\u6d4b\u8bd5\u3002<\/p>\n<p style=\"text-indent: 2em;margin-bottom: 12px;text-wrap: wrap;\">Bootstrap\u65b9\u6cd5\u662f\u4e00\u79cd\u53e4\u8001\u7684\u7edf\u8ba1\u5b66\u91cd\u91c7\u6837\u65b9\u6cd5\uff0c\u4ece\u539f\u59cb\u6570\u636e\u96c6\u4e2d\u6709\u653e\u56de\u5730\u62bd\u53d6\u591a\u4e2a\u6837\u672c\uff0c\u6bcf\u6b21\u62bd\u53d6\u7684\u6837\u672c\u5927\u5c0f\u4e0d\u4e00\u5b9a\u4e0e\u539f\u59cb\u6570\u636e\u96c6\u76f8\u540c\uff0c\u4e14\u53ef\u80fd\u5305\u542b\u91cd\u590d\u7684\u89c2\u6d4b\u3002\u5229\u7528\u65b0\u7684\u89c2\u6d4b\u4f5c\u4e3a\u65b0\u7684\u6837\u672c\u8fdb\u884c\u673a\u5668\u5b66\u4e60\u4efb\u52a1\u7684\u6784\u5efa\u3002<\/p>\n<p style=\"text-indent: 2em;margin-bottom: 12px;text-wrap: wrap;\">\u90a3\u4e48\uff0c\u4e0b\u9762\u5c0f\u5e08\u59b9\u5c06\u5e26\u5927\u5bb6\u901a\u8fc7R\u8bed\u8a00\u5b66\u4e60mlr3\u4e2d\u7684\u91cd\u91c7\u6837\u6280\u672f\uff01<\/p>\n<p style=\"text-indent: 2em;margin-bottom: 12px;text-wrap: wrap;\">\u9996\u5148\u6211\u4eec\u5bfc\u5165\u9700\u8981\u7684R\u5305:<\/p>\n<p><br \/><\/p>\n<\/section>\n<\/section>\n<section style=\"text-align: right;justify-content: flex-end;margin-right: 0%;margin-left: 0%;transform: translate3d(-9px, 0px, 0px);display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: auto;vertical-align: top;min-width: 10%;flex: 0 0 auto;height: auto;border-bottom: 0px solid rgb(62, 62, 62);border-bottom-right-radius: 0px;border-right: 1px solid rgb(0, 0, 0);border-top-right-radius: 0px;align-self: flex-start;\">\n<section style=\"margin: 8px 0% 13px;transform: translate3d(11px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"background-color: rgb(0, 0, 0);height: 1px;\"><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>\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<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"c\"><code><span class=\"code-snippet_outer\">library(mlr3) <\/span><\/code><\/pre>\n<\/section>\n<section style=\"margin: 10px 0%;text-align: left;justify-content: flex-start;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;vertical-align: middle;width: auto;min-width: 10%;flex: 0 0 auto;height: auto;border-width: 0px;align-self: center;\">\n<section style=\"\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 90px;height: 90px;vertical-align: top;overflow: hidden;background-image: radial-gradient(at 20% 25%, rgb(255, 234, 128) 0%, rgba(255, 234, 128, 0) 70%);border-width: 0px;border-radius: 100px;border-style: none;border-color: rgb(62, 62, 62);box-shadow: rgba(255, 255, 255, 0) 0px 0px 0px inset;\"><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: middle;width: auto;min-width: 10%;flex: 0 0 auto;height: auto;margin-left: -48px;border-width: 0px;border-bottom-style: solid;border-bottom-color: rgb(62, 62, 62);border-bottom-right-radius: 0px;align-self: center;\">\n<section style=\"justify-content: flex-start;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 100%;vertical-align: top;border-bottom: 1px solid rgb(0, 0, 0);border-bottom-right-radius: 0px;align-self: flex-start;flex: 0 0 auto;\">\n<section style=\"margin-top: 5px;margin-right: 0%;margin-left: 0%;\" powered-by=\"xiumi.us\">\n<section style=\"color: rgb(0, 0, 0);font-size: 22px;line-height: 1.4;letter-spacing: 0px;text-align: justify;\">\n<p>\u4e00.\u6784\u5efa\u91cd\u91c7\u6837\u7b56\u7565<\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"text-align: left;margin: 10px 0% -56px;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 90px;height: 90px;vertical-align: top;overflow: hidden;background-image: radial-gradient(at 20% 25%, rgb(255, 234, 128) 0%, rgba(255, 234, 128, 0) 70%);border-width: 0px;border-radius: 100px;border-style: none;border-color: rgb(62, 62, 62);box-shadow: rgba(255, 255, 255, 0) 0px 0px 0px inset;\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<\/section>\n<section style=\"margin-right: 0%;margin-bottom: 10px;margin-left: 0%;text-align: left;justify-content: flex-start;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 100%;vertical-align: top;background-color: rgba(255, 255, 255, 0);padding-left: 22px;border-width: 0px;align-self: flex-start;flex: 0 0 auto;\">\n<section style=\"margin-top: 20px;margin-right: 0%;margin-left: 0%;text-align: justify;justify-content: flex-start;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 100%;vertical-align: top;border-left: 1px solid rgb(62, 62, 62);border-bottom-left-radius: 0px;align-self: flex-start;flex: 0 0 auto;\">\n<section style=\"margin: -33px 0% 20px;text-align: center;transform: translate3d(1px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"text-align: justify;\">\n<p style=\"text-indent: 2em;text-wrap: wrap;\">\u53ef\u4ee5\u901a\u8fc7mlr_resamplings\u51fd\u6570\u8bfb\u53d6mlr3\u5305\u4e2d\u5b58\u50a8\u4e86\u54ea\u4e9b\u5177\u4f53\u7684\u91cd\u91c7\u6837\u65b9\u6cd5\uff0c<\/p>\n<\/section>\n<\/section>\n<section style=\"text-align: right;justify-content: flex-end;margin-right: 0%;margin-left: 0%;transform: translate3d(-9px, 0px, 0px);display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: auto;vertical-align: top;min-width: 10%;flex: 0 0 auto;height: auto;border-bottom: 0px solid rgb(62, 62, 62);border-bottom-right-radius: 0px;border-right: 1px solid rgb(0, 0, 0);border-top-right-radius: 0px;align-self: flex-start;\">\n<section style=\"margin: 8px 0% 13px;transform: translate3d(11px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"background-color: rgb(0, 0, 0);height: 1px;\"><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>\n<\/section>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;\" powered-by=\"xiumi.us\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.3263785394932936\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/4_1NG70ShMveh5wI6odL6QPWx7EQdeXg.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEXuWkcJI9W3hTkaTibAoVt425bJv1oGibI1WR2XZkQnUv6geJ1NG70ShMveh5wI6odL6QPWx7EQdeXg\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"671\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<section style=\"text-align: left;margin: 10px 0% -56px;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 90px;height: 90px;vertical-align: top;overflow: hidden;background-image: radial-gradient(at 20% 25%, rgb(255, 234, 128) 0%, rgba(255, 234, 128, 0) 70%);border-width: 0px;border-radius: 100px;border-style: none;border-color: rgb(62, 62, 62);box-shadow: rgba(255, 255, 255, 0) 0px 0px 0px inset;\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<\/section>\n<section style=\"margin-right: 0%;margin-bottom: 10px;margin-left: 0%;text-align: left;justify-content: flex-start;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 100%;vertical-align: top;background-color: rgba(255, 255, 255, 0);padding-left: 22px;border-width: 0px;align-self: flex-start;flex: 0 0 auto;\">\n<section style=\"margin-top: 20px;margin-right: 0%;margin-left: 0%;text-align: justify;justify-content: flex-start;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 100%;vertical-align: top;border-left: 1px solid rgb(62, 62, 62);border-bottom-left-radius: 0px;align-self: flex-start;flex: 0 0 auto;\">\n<section style=\"margin: -33px 0% 20px;text-align: center;transform: translate3d(1px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"text-align: justify;\">\n<p style=\"text-indent: 2em;margin-bottom: 12px;text-wrap: wrap;\">\u5176\u4e2d\uff0c\u7b2c\u4e00\u5217\u8868\u793a\u91cd\u91c7\u6837\u65b9\u6cd5\u7684\u5173\u952e\u5b57\uff0c\u5373\u6211\u4eec\u5728\u9009\u53d6\u91cd\u91c7\u6837\u65b9\u6cd5\u7684\u65f6\u5019\u9700\u8981\u6307\u5b9a\u7684\u5bf9\u8c61\uff0c\u7b2c\u4e8c\u5217\u662f\u91cd\u91c7\u6837\u65b9\u6cd5\u7684\u5168\u540d\uff0c\u7b2c\u4e09\u5217\u662f\u4f7f\u7528\u8be5\u91cd\u91c7\u6837\u65b9\u6cd5\u9700\u8981\u8f93\u5165\u7684\u53c2\u6570\uff0c\u7b2c\u56db\u5217\u662f\u5728\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u6267\u884c\u91cd\u91c7\u6837\u65b9\u6cd5\u7684\u8fed\u4ee3\u6b21\u6570\u3002<\/p>\n<p style=\"text-indent: 2em;margin-bottom: 12px;text-wrap: wrap;\">\u53ef\u4ee5\u901a\u8fc7\u5c06\u5177\u4f53\u7684\u201dkey\u201d\u548c\u76f8\u5e94\u7684\u53c2\u6570\u4f20\u9012\u7ed9\u51fd\u6570rsmp()\uff0c\u4ece\u800c\u4f7f\u7528\u91cd\u91c7\u6837\u65b9\u6cd5\u3002<\/p>\n<p><br \/><\/p>\n<\/section>\n<\/section>\n<section style=\"text-align: right;justify-content: flex-end;margin-right: 0%;margin-left: 0%;transform: translate3d(-9px, 0px, 0px);display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: auto;vertical-align: top;min-width: 10%;flex: 0 0 auto;height: auto;border-bottom: 0px solid rgb(62, 62, 62);border-bottom-right-radius: 0px;border-right: 1px solid rgb(0, 0, 0);border-top-right-radius: 0px;align-self: flex-start;\">\n<section style=\"margin: 8px 0% 13px;transform: translate3d(11px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"background-color: rgb(0, 0, 0);height: 1px;\"><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>\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=\"c\"><code><span class=\"code-snippet_outer\">as.data.table(mlr_resamplings) <\/span><\/code><code><span class=\"code-snippet_outer\"># \u4e09\u6298\u4ea4\u53c9\u9a8c\u8bc1 <\/span><\/code><code><span class=\"code-snippet_outer\">cv3 = rsmp(<span class=\"code-snippet__string\">\"cv\"<\/span>, folds = <span class=\"code-snippet__number\">3<\/span>) <\/span><\/code><code><span class=\"code-snippet_outer\"># \u5b50\u62bd\u6837 \uff08\u5c06\u6837\u672c\u5212\u5206\u4e3a<span class=\"code-snippet__number\">9<\/span>\uff1a<span class=\"code-snippet__number\">1<\/span>\uff0c\u5e76\u91cd\u590d<span class=\"code-snippet__number\">3<\/span>\u6b21\uff09 <\/span><\/code><code><span class=\"code-snippet_outer\">ss390 = rsmp(<span class=\"code-snippet__string\">\"subsampling\"<\/span>, repeats = <span class=\"code-snippet__number\">3<\/span>, ratio = <span class=\"code-snippet__number\">0.9<\/span>) <\/span><\/code><code><span class=\"code-snippet_outer\"># \u4e24\u6b21\u4e94\u6298\u4ea4\u53c9\u9a8c\u8bc1 <\/span><\/code><code><span class=\"code-snippet_outer\">rcv25 = rsmp(<span class=\"code-snippet__string\">\"repeated_cv\"<\/span>, repeats = <span class=\"code-snippet__number\">2<\/span>, folds = <span class=\"code-snippet__number\">5<\/span>) <\/span><\/code><\/pre>\n<\/section>\n<p style=\"text-indent: 2em;text-wrap: wrap;\" powered-by=\"xiumi.us\"><br \/><\/p>\n<section style=\"text-align: left;margin: 10px 0% -56px;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 90px;height: 90px;vertical-align: top;overflow: hidden;background-image: radial-gradient(at 20% 25%, rgb(255, 234, 128) 0%, rgba(255, 234, 128, 0) 70%);border-width: 0px;border-radius: 100px;border-style: none;border-color: rgb(62, 62, 62);box-shadow: rgba(255, 255, 255, 0) 0px 0px 0px inset;\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<\/section>\n<section style=\"margin-right: 0%;margin-bottom: 10px;margin-left: 0%;text-align: left;justify-content: flex-start;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 100%;vertical-align: top;background-color: rgba(255, 255, 255, 0);padding-left: 22px;border-width: 0px;align-self: flex-start;flex: 0 0 auto;\">\n<section style=\"margin-top: 20px;margin-right: 0%;margin-left: 0%;text-align: justify;justify-content: flex-start;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 100%;vertical-align: top;border-left: 1px solid rgb(62, 62, 62);border-bottom-left-radius: 0px;align-self: flex-start;flex: 0 0 auto;\">\n<section style=\"margin: -33px 0% 20px;text-align: center;transform: translate3d(1px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"text-align: justify;\">\n<p style=\"text-indent: 2em;text-wrap: wrap;\">\u53ef\u4ee5\u901a\u8fc7instantiate()\u51fd\u6570\u5728\u7ed9\u5b9a\u4efb\u52a1\u4e0a\u8c03\u7528\u8be5\u65b9\u6cd5\u6765\u624b\u52a8\u5b9e\u4f8b\u5316\u91cd\u91c7\u6837\u7b56\u7565\uff0c\u5373\u751f\u6210\u6240\u6709\u8bad\u7ec3-\u6d4b\u8bd5\u62c6\u5206\u3002\u56e0\u6b64\uff0c\u5c0f\u5e08\u59b9\u5e26\u5927\u5bb6\u4f7f\u7528penguins\u4efb\u52a1\uff0c\u5b9e\u4f8b\u5316\u4e09\u6298 CV\u5bf9\u8c61\uff0c\u7136\u540e\u4f7f\u7528$train_set\u548c$test_set\u8fdb\u884c\u7d22\u5f15<\/p>\n<\/section>\n<\/section>\n<section style=\"text-align: right;justify-content: flex-end;margin-right: 0%;margin-left: 0%;transform: translate3d(-9px, 0px, 0px);display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: auto;vertical-align: top;min-width: 10%;flex: 0 0 auto;height: auto;border-bottom: 0px solid rgb(62, 62, 62);border-bottom-right-radius: 0px;border-right: 1px solid rgb(0, 0, 0);border-top-right-radius: 0px;align-self: flex-start;\">\n<section style=\"margin: 8px 0% 13px;transform: translate3d(11px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"background-color: rgb(0, 0, 0);height: 1px;\"><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>\n<\/section>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;\" powered-by=\"xiumi.us\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.2975206611570248\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/5_3PZQ7p19CibhDEU41D3Satib77jiag.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEXuWkcJI9W3hTkaTibAoVt424EHJicnfU5o4fcZgfBia87FKAEJpP3PZQ7p19CibhDEU41D3Satib77jiag\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"605\" style=\"vertical-align: middle;width: 100%;\" 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=\"c\"><code><span class=\"code-snippet_outer\">tsk_penguins = tsk(<span class=\"code-snippet__string\">\"penguins\"<\/span>) <\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__built_in\">set<\/span>.seed(<span class=\"code-snippet__number\">124<\/span>) <\/span><\/code><code><span class=\"code-snippet_outer\">cv3$instantiate(tsk_penguins)#\u4f7f\u7528tsk_penguins\u8fdb\u884c\u4ea4\u53c9\u9a8c\u8bc1 <\/span><\/code><code><span class=\"code-snippet_outer\"># \u7b2c\u4e00\u6298\u8bad\u7ec3\u96c6\u7684\u524d<span class=\"code-snippet__number\">10<\/span>\u4e2a\u6837\u672c <\/span><\/code><code><span class=\"code-snippet_outer\">cv3$train_set(<span class=\"code-snippet__number\">1<\/span>)[<span class=\"code-snippet__number\">1<\/span>:<span class=\"code-snippet__number\">10<\/span>] <\/span><\/code><code><span class=\"code-snippet_outer\"># \u7b2c\u4e8c\u6298\u6d4b\u8bd5\u96c6\u7684\u524d<span class=\"code-snippet__number\">5<\/span>\u4e2a\u6837\u672c <\/span><\/code><code><span class=\"code-snippet_outer\">cv3$test_set(<span class=\"code-snippet__number\">2<\/span>)[<span class=\"code-snippet__number\">1<\/span>:<span class=\"code-snippet__number\">5<\/span>] <\/span><\/code><\/pre>\n<\/section>\n<p style=\"text-indent: 2em;text-wrap: wrap;\" powered-by=\"xiumi.us\">\u901a\u8fc7\u4e0a\u8ff0\u6784\u9020\u91cd\u91c7\u6837\u7b56\u7565\u7684\u65b9\u6cd5\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u8f7b\u677e\u5c06\u6837\u672c\u5206\u6210\u4e09\u4efd\uff0c\u5e76\u6bcf\u6b21\u5c06\u5176\u4e2d\u7684\u4e00\u4efd\u4f5c\u4e3a\u6d4b\u8bd5\u96c6\uff0c\u5176\u4f59\u4e24\u4efd\u4f5c\u4e3a\u8bad\u7ec3\u96c6\uff0c\u5bf9\u6570\u636e\u8fdb\u884c\u591a\u7ec4\u91cd\u6784\u3002<\/p>\n<section style=\"margin: 10px 0%;text-align: left;justify-content: flex-start;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;vertical-align: middle;width: auto;min-width: 10%;flex: 0 0 auto;height: auto;border-width: 0px;align-self: center;\">\n<section style=\"\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 90px;height: 90px;vertical-align: top;overflow: hidden;background-image: radial-gradient(at 20% 25%, rgb(255, 234, 128) 0%, rgba(255, 234, 128, 0) 70%);border-width: 0px;border-radius: 100px;border-style: none;border-color: rgb(62, 62, 62);box-shadow: rgba(255, 255, 255, 0) 0px 0px 0px inset;\"><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: middle;width: auto;min-width: 10%;flex: 0 0 auto;height: auto;margin-left: -48px;border-width: 0px;border-bottom-style: solid;border-bottom-color: rgb(62, 62, 62);border-bottom-right-radius: 0px;align-self: center;\">\n<section style=\"justify-content: flex-start;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 100%;vertical-align: top;border-bottom: 1px solid rgb(0, 0, 0);border-bottom-right-radius: 0px;align-self: flex-start;flex: 0 0 auto;\">\n<section style=\"margin-top: 5px;margin-right: 0%;margin-left: 0%;\" powered-by=\"xiumi.us\">\n<section style=\"color: rgb(0, 0, 0);font-size: 22px;line-height: 1.4;letter-spacing: 0px;text-align: justify;\">\n<p>\u4e8c.\u6784\u5efa\u91cd\u91c7\u6837\u5b9e\u9a8c<\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"text-align: left;margin: 10px 0% -56px;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 90px;height: 90px;vertical-align: top;overflow: hidden;background-image: radial-gradient(at 20% 25%, rgb(255, 234, 128) 0%, rgba(255, 234, 128, 0) 70%);border-width: 0px;border-radius: 100px;border-style: none;border-color: rgb(62, 62, 62);box-shadow: rgba(255, 255, 255, 0) 0px 0px 0px inset;\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<\/section>\n<section style=\"margin-right: 0%;margin-bottom: 10px;margin-left: 0%;text-align: left;justify-content: flex-start;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 100%;vertical-align: top;background-color: rgba(255, 255, 255, 0);padding-left: 22px;border-width: 0px;align-self: flex-start;flex: 0 0 auto;\">\n<section style=\"margin-top: 20px;margin-right: 0%;margin-left: 0%;text-align: justify;justify-content: flex-start;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 100%;vertical-align: top;border-left: 1px solid rgb(62, 62, 62);border-bottom-left-radius: 0px;align-self: flex-start;flex: 0 0 auto;\">\n<section style=\"margin: -33px 0% 20px;text-align: center;transform: translate3d(1px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"text-align: justify;\">\n<p style=\"text-indent: 2em;text-wrap: wrap;\">\u53ef\u4ee5\u901a\u8fc7resample()\u51fd\u6570\uff0c\u5206\u522b\u8f93\u5165test\uff0clearner\u548c\u76f8\u5e94\u7684\u91cd\u91c7\u6837\u7b56\u7565\uff0c\u6784\u9020\u4e00\u7ec4\u91cd\u91c7\u6837\u5b9e\u9a8c\uff0c\u5728\u8bad\u7ec3\u96c6\u4e0a\u53cd\u590d\u62df\u5408\u6a21\u578b\uff0c\u5e76\u5728\u76f8\u5e94\u7684\u6d4b\u8bd5\u96c6\u4e0a\u8fdb\u884c\u6d4b\u8bd5\u3002<\/p>\n<\/section>\n<\/section>\n<section style=\"text-align: right;justify-content: flex-end;margin-right: 0%;margin-left: 0%;transform: translate3d(-9px, 0px, 0px);display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: auto;vertical-align: top;min-width: 10%;flex: 0 0 auto;height: auto;border-bottom: 0px solid rgb(62, 62, 62);border-bottom-right-radius: 0px;border-right: 1px solid rgb(0, 0, 0);border-top-right-radius: 0px;align-self: flex-start;\">\n<section style=\"margin: 8px 0% 13px;transform: translate3d(11px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"background-color: rgb(0, 0, 0);height: 1px;\"><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>\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=\"c\"><code><span class=\"code-snippet_outer\">#\u91cd\u91c7\u6837\u5b9e\u9a8c <\/span><\/code><code><span class=\"code-snippet_outer\">lrn_rpart = lrn(<span class=\"code-snippet__string\">\"classif.rpart\"<\/span>, cp = <span class=\"code-snippet__number\">0.2<\/span>, maxdepth = <span class=\"code-snippet__number\">5<\/span>) <\/span><\/code><code><span class=\"code-snippet_outer\">r1 = resample(tsk_penguins, lrn_rpart, cv3) <\/span><\/code><code><span class=\"code-snippet_outer\">acc = r1$score(msr(<span class=\"code-snippet__string\">\"classif.ce\"<\/span>)) <\/span><\/code><code><span class=\"code-snippet_outer\">acc <\/span><\/code><code><span class=\"code-snippet_outer\">r1$aggregate(msr(<span class=\"code-snippet__string\">\"classif.ce\"<\/span>)) <\/span><\/code><code><span class=\"code-snippet_outer\">r1$aggregate(msr(<span class=\"code-snippet__string\">\"classif.ce\"<\/span>, average = <span class=\"code-snippet__string\">\"micro\"<\/span>)) <\/span><\/code><\/pre>\n<\/section>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;\" powered-by=\"xiumi.us\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.13385826771653545\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/6_uug3Ejflic8H1AbRpx7o05OOMfKiaw.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEXuWkcJI9W3hTkaTibAoVt42gBqTiaAWMlEauhzeooxvUiaMlGQluug3Ejflic8H1AbRpx7o05OOMfKiaw\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"889\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<section style=\"text-align: left;margin: 10px 0% -56px;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 90px;height: 90px;vertical-align: top;overflow: hidden;background-image: radial-gradient(at 20% 25%, rgb(255, 234, 128) 0%, rgba(255, 234, 128, 0) 70%);border-width: 0px;border-radius: 100px;border-style: none;border-color: rgb(62, 62, 62);box-shadow: rgba(255, 255, 255, 0) 0px 0px 0px inset;\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<\/section>\n<section style=\"margin-right: 0%;margin-bottom: 10px;margin-left: 0%;text-align: left;justify-content: flex-start;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 100%;vertical-align: top;background-color: rgba(255, 255, 255, 0);padding-left: 22px;border-width: 0px;align-self: flex-start;flex: 0 0 auto;\">\n<section style=\"margin-top: 20px;margin-right: 0%;margin-left: 0%;text-align: justify;justify-content: flex-start;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 100%;vertical-align: top;border-left: 1px solid rgb(62, 62, 62);border-bottom-left-radius: 0px;align-self: flex-start;flex: 0 0 auto;\">\n<section style=\"margin: -33px 0% 20px;text-align: center;transform: translate3d(1px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"text-align: justify;\">\n<p style=\"text-indent: 2em;text-wrap: wrap;\">\u53ef\u4ee5\u5c06\u8be5\u51fd\u6570\u7684\u8f93\u5165\u5f53\u6210\u7b80\u5355\u673a\u5668\u5b66\u4e60\u5b9e\u9a8c\u4e2d\u7684predict\u5bf9\u8c61\uff0c\u5e76\u63d0\u53d6\u76f8\u5e94\u7684\u8bc4\u4ef7\u5f97\u5206\u3002<\/p>\n<\/section>\n<\/section>\n<section style=\"text-align: right;justify-content: flex-end;margin-right: 0%;margin-left: 0%;transform: translate3d(-9px, 0px, 0px);display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: auto;vertical-align: top;min-width: 10%;flex: 0 0 auto;height: auto;border-bottom: 0px solid rgb(62, 62, 62);border-bottom-right-radius: 0px;border-right: 1px solid rgb(0, 0, 0);border-top-right-radius: 0px;align-self: flex-start;\">\n<section style=\"margin: 8px 0% 13px;transform: translate3d(11px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"background-color: rgb(0, 0, 0);height: 1px;\"><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>\n<\/section>\n<p style=\"text-indent: 2em;text-wrap: wrap;\" powered-by=\"xiumi.us\"><br \/><\/p>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;\" powered-by=\"xiumi.us\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.21677215189873417\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/7_Eg0jaBkdr9r6ttdwFvu5icMfFcFD9w.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEXuWkcJI9W3hTkaTibAoVt42UcG43hFNcMRHJm5ROnOqzmdu9Eg0jaBkdr9r6ttdwFvu5icMfFcFD9w\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"632\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<section style=\"text-align: left;margin: 10px 0% -56px;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 90px;height: 90px;vertical-align: top;overflow: hidden;background-image: radial-gradient(at 20% 25%, rgb(255, 234, 128) 0%, rgba(255, 234, 128, 0) 70%);border-width: 0px;border-radius: 100px;border-style: none;border-color: rgb(62, 62, 62);box-shadow: rgba(255, 255, 255, 0) 0px 0px 0px inset;\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<\/section>\n<section style=\"margin-right: 0%;margin-bottom: 10px;margin-left: 0%;text-align: left;justify-content: flex-start;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 100%;vertical-align: top;background-color: rgba(255, 255, 255, 0);padding-left: 22px;border-width: 0px;align-self: flex-start;flex: 0 0 auto;\">\n<section style=\"margin-top: 20px;margin-right: 0%;margin-left: 0%;text-align: justify;justify-content: flex-start;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 100%;vertical-align: top;border-left: 1px solid rgb(62, 62, 62);border-bottom-left-radius: 0px;align-self: flex-start;flex: 0 0 auto;\">\n<section style=\"margin: -33px 0% 20px;text-align: center;transform: translate3d(1px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"text-align: justify;\">\n<p style=\"text-indent: 2em;text-wrap: wrap;\">\u53ef\u4ee5\u901a\u8fc7$aggregate\u8fd4\u56de\u6a21\u578b\u7684\u603b\u5f97\u5206\uff0c\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u5373\u4e09\u6b21\u5b9e\u9a8c\u7684acc\u5e73\u5747\u6570\uff0c<\/p>\n<\/section>\n<\/section>\n<section style=\"text-align: right;justify-content: flex-end;margin-right: 0%;margin-left: 0%;transform: translate3d(-9px, 0px, 0px);display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: auto;vertical-align: top;min-width: 10%;flex: 0 0 auto;height: auto;border-bottom: 0px solid rgb(62, 62, 62);border-bottom-right-radius: 0px;border-right: 1px solid rgb(0, 0, 0);border-top-right-radius: 0px;align-self: flex-start;\">\n<section style=\"text-align: center;margin-top: 10px;margin-right: 0%;margin-left: 0%;transform: translate3d(-13px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"font-size: 12px;line-height: 1;letter-spacing: 0px;color: rgb(0, 0, 0);text-align: justify;\">\n<p>SUMMER of 2021<\/p>\n<\/section>\n<\/section>\n<section style=\"margin: 8px 0% 13px;transform: translate3d(11px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"background-color: rgb(0, 0, 0);height: 1px;\"><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>\n<\/section>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;\" powered-by=\"xiumi.us\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.1657754010695187\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/8_zvkzwIicZUF7MZtWCicodACycwTXNw.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEXuWkcJI9W3hTkaTibAoVt42NHibyjfGEM6mDKFkctMgzhUjHkHzvkzwIicZUF7MZtWCicodACycwTXNw\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"374\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<section style=\"text-align: left;margin: 10px 0% -56px;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 90px;height: 90px;vertical-align: top;overflow: hidden;background-image: radial-gradient(at 20% 25%, rgb(255, 234, 128) 0%, rgba(255, 234, 128, 0) 70%);border-width: 0px;border-radius: 100px;border-style: none;border-color: rgb(62, 62, 62);box-shadow: rgba(255, 255, 255, 0) 0px 0px 0px inset;\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<\/section>\n<section style=\"margin-right: 0%;margin-bottom: 10px;margin-left: 0%;text-align: left;justify-content: flex-start;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 100%;vertical-align: top;background-color: rgba(255, 255, 255, 0);padding-left: 22px;border-width: 0px;align-self: flex-start;flex: 0 0 auto;\">\n<section style=\"margin-top: 20px;margin-right: 0%;margin-left: 0%;text-align: justify;justify-content: flex-start;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 100%;vertical-align: top;border-left: 1px solid rgb(62, 62, 62);border-bottom-left-radius: 0px;align-self: flex-start;flex: 0 0 auto;\">\n<section style=\"margin: -33px 0% 20px;text-align: center;transform: translate3d(1px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"padding-right: 24px;padding-left: 24px;text-align: justify;\">\n<p style=\"text-indent: 2em;text-wrap: wrap;\">\u4e5f\u53ef\u4ee5\u901a\u8fc7\u5728$aggregate\u4e2d\u6307\u5b9aaverage = “micro”\uff0c\u6700\u540e\u5c06\u8f93\u51fa\u5fae\u89c2\u5e73\u5747\u503c\uff0c\u5373\u5c06\u4e09\u6b21\u5b9e\u9a8c\u770b\u6210\u4e00\u6b21\uff0c\u5728\u5b9e\u9a8c\u4e2d\u7684\u6bcf\u4e2a\u6837\u672c\u4e2d\u6c42\u5206\u6570\u5e73\u5747\u3002\u4e8b\u5b9e\u4e0a\uff0c\u53ef\u4ee5\u901a\u8fc7\u8ba1\u7b97\u5f88\u7b80\u5355\u5730\u9a8c\u8bc1\uff0c\u5982\u679c\u6d4b\u8bd5\u96c6\u90fd\u5177\u6709\u76f8\u540c\u7684\u5927\u5c0f\uff0c\u90a3\u4e48\u5fae\u89c2\u548c\u5b8f\u89c2\u65b9\u6cd5\u5c06\u662f\u76f8\u540c\u7684\u3002<\/p>\n<\/section>\n<\/section>\n<section style=\"text-align: right;justify-content: flex-end;margin-right: 0%;margin-left: 0%;transform: translate3d(-9px, 0px, 0px);display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: auto;vertical-align: top;min-width: 10%;flex: 0 0 auto;height: auto;border-bottom: 0px solid rgb(62, 62, 62);border-bottom-right-radius: 0px;border-right: 1px solid rgb(0, 0, 0);border-top-right-radius: 0px;align-self: flex-start;\">\n<section style=\"text-align: center;margin-top: 10px;margin-right: 0%;margin-left: 0%;transform: translate3d(-13px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"font-size: 12px;line-height: 1;letter-spacing: 0px;color: rgb(0, 0, 0);text-align: justify;\">\n<p>SUMMER of 2021<\/p>\n<\/section>\n<\/section>\n<section style=\"margin: 8px 0% 13px;transform: translate3d(11px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"background-color: rgb(0, 0, 0);height: 1px;\"><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>\n<\/section>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;\" powered-by=\"xiumi.us\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.12030075187969924\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/9_RrnSPJpTgEB4sDaPBiaZvAhEibIpLg.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEXuWkcJI9W3hTkaTibAoVt42N6q2RROhR6sa62eOvXM8phaApHRrnSPJpTgEB4sDaPBiaZvAhEibIpLg\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"532\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<section style=\"text-align: left;margin: 10px 0% -56px;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 90px;height: 90px;vertical-align: top;overflow: hidden;background-image: radial-gradient(at 20% 25%, rgb(255, 234, 128) 0%, rgba(255, 234, 128, 0) 70%);border-width: 0px;border-radius: 100px;border-style: none;border-color: rgb(62, 62, 62);box-shadow: rgba(255, 255, 255, 0) 0px 0px 0px inset;\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<\/section>\n<section style=\"margin-right: 0%;margin-bottom: 10px;margin-left: 0%;text-align: left;justify-content: flex-start;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 100%;vertical-align: top;background-color: rgba(255, 255, 255, 0);padding-left: 22px;border-width: 0px;align-self: flex-start;flex: 0 0 auto;\">\n<section style=\"margin-top: 20px;margin-right: 0%;margin-left: 0%;text-align: justify;justify-content: flex-start;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 100%;vertical-align: top;border-left: 1px solid rgb(62, 62, 62);border-bottom-left-radius: 0px;align-self: flex-start;flex: 0 0 auto;\">\n<section style=\"margin: -33px 0% 20px;text-align: center;transform: translate3d(1px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"text-align: justify;\">\n<p style=\"text-indent: 2em;margin-bottom: 12px;text-wrap: wrap;\">\u8fd4\u56de\u7684\u603b\u5f97\u5206\u53ef\u4ee5\u4f30\u8ba1\u6211\u4eec\u6240\u9009learner\u5728\u7ed9\u5b9atask\u4e0a\u7684\u6cdb\u5316\u6027\u80fd\uff0c\u4f7f\u7528\u5bf9\u8c61\u4e2d\u5b9a\u4e49\u7684\u91cd\u91c7\u6837\u7b56\u7565\u3002\u867d\u7136\u901a\u5e38\u5bf9\u805a\u5408\u5206\u6570\u611f\u5174\u8da3\uff0c\u4f46\u67e5\u770b\u6bcf\u4e2a\u91cd\u91c7\u6837\u8fed\u4ee3\uff08\u7531\u65b9\u6cd5\u8fd4\u56de\uff09\u7684\u5404\u4e2a\u6027\u80fd\u503c\u4e5f\u5f88\u6709\u7528\u3002<\/p>\n<p style=\"text-indent: 2em;text-wrap: wrap;\">\u6700\u540e\u53ef\u4ee5\u4f7f\u7528mlr3viz\u5305\u8fdb\u884c\u91cd\u91c7\u6837\u7ed3\u679c\u7684\u53ef\u89c6\u5316\uff0c\u8fdb\u800c\u8bc4\u4f30\u6a21\u578b\u7684\u6548\u679c\uff1a<\/p>\n<\/section>\n<\/section>\n<section style=\"text-align: right;justify-content: flex-end;margin-right: 0%;margin-left: 0%;transform: translate3d(-9px, 0px, 0px);display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: auto;vertical-align: top;min-width: 10%;flex: 0 0 auto;height: auto;border-bottom: 0px solid rgb(62, 62, 62);border-bottom-right-radius: 0px;border-right: 1px solid rgb(0, 0, 0);border-top-right-radius: 0px;align-self: flex-start;\">\n<section style=\"text-align: center;margin-top: 10px;margin-right: 0%;margin-left: 0%;transform: translate3d(-13px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"font-size: 12px;line-height: 1;letter-spacing: 0px;color: rgb(0, 0, 0);text-align: justify;\">\n<p>SUMMER of 2021<\/p>\n<\/section>\n<\/section>\n<section style=\"margin: 8px 0% 13px;transform: translate3d(11px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"background-color: rgb(0, 0, 0);height: 1px;\"><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>\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=\"c\"><code><span class=\"code-snippet_outer\">#\u53ef\u89c6\u5316 <\/span><\/code><code><span class=\"code-snippet_outer\">library(mlr3viz) <\/span><\/code><code><span class=\"code-snippet_outer\">rr = resample(tsk_penguins, lrn_rpart, rsmp(<span class=\"code-snippet__string\">\"cv\"<\/span>, folds = <span class=\"code-snippet__number\">10<\/span>)) <\/span><\/code><code><span class=\"code-snippet_outer\">autoplot(rr, measure = msr(<span class=\"code-snippet__string\">\"classif.acc\"<\/span>), type = <span class=\"code-snippet__string\">\"boxplot\"<\/span>) <\/span><\/code><code><span class=\"code-snippet_outer\">autoplot(rr, measure = msr(<span class=\"code-snippet__string\">\"classif.acc\"<\/span>), type = <span class=\"code-snippet__string\">\"histogram\"<\/span>)<\/span><\/code><\/pre>\n<\/section>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;\" powered-by=\"xiumi.us\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.993801652892562\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/10_pRQwQ7ibH2qKmCia328y690ia0qaHg.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEXuWkcJI9W3hTkaTibAoVt42gkZkxaB3EA39UBByD7JkOZQRsiaepRQwQ7ibH2qKmCia328y690ia0qaHg\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"968\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;\" powered-by=\"xiumi.us\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.993801652892562\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/11_DuA2bepfIZA2txf1Kia2HibBf9ZosQ.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEXuWkcJI9W3hTkaTibAoVt424Kjx0AEzaIRkyTFYyN09LCI5BxDuA2bepfIZA2txf1Kia2HibBf9ZosQ\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"968\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<section style=\"display: flex;flex-flow: row;margin-right: 0%;margin-bottom: 10px;margin-left: 0%;text-align: left;justify-content: flex-start;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;vertical-align: top;width: auto;flex: 100 100 0%;align-self: flex-start;height: auto;margin-right: -70px;z-index: 2;padding-top: 23px;padding-right: 23px;padding-left: 23px;box-shadow: rgb(0, 0, 0) 0px 0px 0px;\">\n<section style=\"margin: 10px 0%;text-align: center;transform: translate3d(1px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"text-align: justify;\">\n<p style=\"text-indent: 2em;text-wrap: 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