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9px;height: 17px;vertical-align: top;overflow: hidden;border-style: solid;border-width: 2px;border-color: rgb(223, 228, 249);border-radius: 112%;\">\n<section style=\"text-align: justify;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"display: inline-block;vertical-align: top;width: auto;align-self: flex-start;flex: 100 100 0%;height: auto;\">\n<section style=\"transform: perspective(0px);transform-style: flat;\" powered-by=\"xiumi.us\">\n<section style=\"text-align: center;transform: rotateX(180deg);margin-bottom: -8px;\">\n<section style=\"display: inline-block;width: 9px;height: 17px;vertical-align: top;overflow: hidden;border-style: solid;border-width: 2px;border-color: rgb(223, 228, 249);border-radius: 112%;\">\n<section style=\"text-align: justify;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"font-size: 16px;text-indent: 2em;margin-bottom: 24px;\">\n<section style=\"text-align: justify;justify-content: flex-start;display: flex;flex-flow: row;margin-bottom: 10px;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 100%;vertical-align: top;align-self: flex-start;flex: 0 0 auto;background-color: rgb(237, 240, 251);padding: 14px 8px 8px;\">\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;align-self: flex-start;flex: 0 0 auto;background-color: rgb(255, 255, 255);padding: 16px;\">\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;align-self: flex-start;flex: 0 0 auto;padding: 14px;border-style: solid;border-width: 1px 0px 0px;border-top-color: rgb(237, 240, 251);border-bottom-color: rgb(237, 240, 251);\">\n<section style=\"text-align: center;\" powered-by=\"xiumi.us\">\n<section style=\"text-align: left;letter-spacing: 0.5px;\">\n<section style=\"text-align: justify;text-indent: 2em;\">\u5728\u4e0a\u4e00\u8282\u4e2d\uff0c\u5c0f\u5e08\u59b9\u5411\u5927\u5bb6\u4ecb\u7ecd\u4e86mlr3\u5305\u5e76\u5411\u5927\u5bb6\u6559\u5b66\u5982\u4f55\u521b\u5efa\u5e76\u7d22\u5f15task\u5bf9\u8c61\u3002\u5728\u672c\u8282\u4e2d\uff0c\u5c0f\u5e08\u59b9\u5c06\u5411\u5927\u5bb6\u4ecb\u7ecdmlr3\u4e2d\u81f3\u5173\u91cd\u8981\u7684learner\u5bf9\u8c61\uff0c\u5e76\u6559\u5b66\u6709\u5173learner\u7684R\u8bed\u8a00\u7f16\u7a0b\u3002\u5728 mlr3 \u4e2d\uff0cLearner \u662f\u7528\u4e8e\u8868\u793a\u4e0d\u540c\u673a\u5668\u5b66\u4e60\u7b97\u6cd5\u6a21\u578b\u7684\u5173\u952e\u5bf9\u8c61\u3002\u6bcf\u4e2a Learner \u5bf9\u8c61\u4ee3\u8868\u4e00\u4e2a\u7279\u5b9a\u7684\u7b97\u6cd5\uff0c\u5982\u7ebf\u6027\u56de\u5f52\u6216\u968f\u673a\u68ee\u6797\uff0c\u5305\u542b\u4e86\u6a21\u578b\u7684\u8bad\u7ec3\u548c\u53c2\u6570\u8bbe\u7f6e\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528 Learner \u5bf9\u8c61\u8bad\u7ec3\u6a21\u578b\u3001\u8fdb\u884c\u9884\u6d4b\u4ee5\u53ca\u6bd4\u8f83\u4e0d\u540c\u6a21\u578b\u7684\u6027\u80fd\u3002\u5185\u7f6e\u7684\u5b66\u4e60\u5668\u6db5\u76d6\u4e86\u5206\u7c7b\u3001\u56de\u5f52\u7b49\u591a\u79cd\u4efb\u52a1\u7c7b\u578b\uff0c\u8fd8\u53ef\u4ee5\u81ea\u5b9a\u4e49\u5b66\u4e60\u5668\u6765\u96c6\u6210\u5176\u4ed6\u7b97\u6cd5\u3002\u901a\u8fc7 Learner\uff0c\u4f60\u53ef\u4ee5\u66f4\u65b9\u4fbf\u5730\u7ba1\u7406\u673a\u5668\u5b66\u4e60\u6a21\u578b\u7684\u8bad\u7ec3\u548c\u5e94\u7528\u8fc7\u7a0b\u3002<\/section>\n<p><br \/><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"text-align: center;justify-content: center;display: flex;flex-flow: row;margin-top: 10px;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 77%;vertical-align: top;align-self: flex-start;flex: 0 0 auto;height: auto;\">\n<section style=\"text-align: left;justify-content: flex-start;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;vertical-align: top;width: auto;align-self: flex-start;flex: 100 100 0%;height: auto;\">\n<section style=\"transform: perspective(0px);transform-style: flat;\" powered-by=\"xiumi.us\">\n<section style=\"text-align: center;transform: rotateX(180deg);margin-bottom: -8px;\">\n<section style=\"display: inline-block;width: 9px;height: 17px;vertical-align: top;overflow: hidden;border-style: solid;border-width: 2px;border-color: rgb(223, 228, 249);border-radius: 112%;\">\n<section style=\"text-align: justify;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"display: inline-block;vertical-align: top;width: auto;align-self: flex-start;flex: 100 100 0%;height: auto;\">\n<section style=\"transform: perspective(0px);transform-style: flat;\" powered-by=\"xiumi.us\">\n<section style=\"text-align: center;transform: rotateX(180deg);margin-bottom: -8px;\">\n<section style=\"display: inline-block;width: 9px;height: 17px;vertical-align: top;overflow: hidden;border-style: solid;border-width: 2px;border-color: rgb(223, 228, 249);border-radius: 112%;\">\n<section style=\"text-align: justify;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"display: inline-block;vertical-align: top;width: auto;align-self: flex-start;flex: 100 100 0%;height: auto;\">\n<section style=\"transform: perspective(0px);transform-style: flat;\" powered-by=\"xiumi.us\">\n<section style=\"text-align: center;transform: rotateX(180deg);margin-bottom: -8px;\">\n<section style=\"display: inline-block;width: 9px;height: 17px;vertical-align: top;overflow: hidden;border-style: solid;border-width: 2px;border-color: rgb(223, 228, 249);border-radius: 112%;\">\n<section style=\"text-align: justify;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"display: inline-block;vertical-align: top;width: auto;align-self: flex-start;flex: 100 100 0%;height: auto;\">\n<section style=\"transform: perspective(0px);transform-style: flat;\" powered-by=\"xiumi.us\">\n<section style=\"text-align: center;transform: rotateX(180deg);margin-bottom: -8px;\">\n<section style=\"display: inline-block;width: 9px;height: 17px;vertical-align: top;overflow: hidden;border-style: solid;border-width: 2px;border-color: rgb(223, 228, 249);border-radius: 112%;\">\n<section style=\"text-align: justify;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"display: inline-block;vertical-align: top;width: auto;align-self: flex-start;flex: 100 100 0%;height: auto;\">\n<section style=\"transform: perspective(0px);transform-style: flat;\" powered-by=\"xiumi.us\">\n<section style=\"text-align: center;transform: rotateX(180deg);margin-bottom: -8px;\">\n<section style=\"display: inline-block;width: 9px;height: 17px;vertical-align: top;overflow: hidden;border-style: solid;border-width: 2px;border-color: rgb(223, 228, 249);border-radius: 112%;\">\n<section style=\"text-align: justify;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"display: inline-block;vertical-align: top;width: auto;align-self: flex-start;flex: 100 100 0%;height: auto;\">\n<section style=\"transform: perspective(0px);transform-style: flat;\" powered-by=\"xiumi.us\">\n<section style=\"text-align: center;transform: rotateX(180deg);margin-bottom: -8px;\">\n<section style=\"display: inline-block;width: 9px;height: 17px;vertical-align: top;overflow: hidden;border-style: solid;border-width: 2px;border-color: rgb(223, 228, 249);border-radius: 112%;\">\n<section style=\"text-align: justify;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"display: inline-block;vertical-align: top;width: auto;align-self: flex-start;flex: 100 100 0%;height: auto;\">\n<section style=\"transform: perspective(0px);transform-style: flat;\" powered-by=\"xiumi.us\">\n<section style=\"text-align: center;transform: rotateX(180deg);margin-bottom: -8px;\">\n<section style=\"display: inline-block;width: 9px;height: 17px;vertical-align: top;overflow: hidden;border-style: solid;border-width: 2px;border-color: rgb(223, 228, 249);border-radius: 112%;\">\n<section style=\"text-align: justify;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"display: inline-block;vertical-align: top;width: auto;align-self: flex-start;flex: 100 100 0%;height: auto;\">\n<section style=\"transform: perspective(0px);transform-style: flat;\" powered-by=\"xiumi.us\">\n<section style=\"text-align: center;transform: rotateX(180deg);margin-bottom: -8px;\">\n<section style=\"display: inline-block;width: 9px;height: 17px;vertical-align: top;overflow: hidden;border-style: solid;border-width: 2px;border-color: rgb(223, 228, 249);border-radius: 112%;\">\n<section style=\"text-align: justify;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"display: inline-block;vertical-align: top;width: auto;align-self: flex-start;flex: 100 100 0%;height: auto;\">\n<section style=\"transform: perspective(0px);transform-style: flat;\" powered-by=\"xiumi.us\">\n<section style=\"text-align: center;transform: rotateX(180deg);margin-bottom: -8px;\">\n<section style=\"display: inline-block;width: 9px;height: 17px;vertical-align: top;overflow: hidden;border-style: solid;border-width: 2px;border-color: rgb(223, 228, 249);border-radius: 112%;\">\n<section style=\"text-align: justify;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"display: inline-block;vertical-align: top;width: auto;align-self: flex-start;flex: 100 100 0%;height: auto;\">\n<section style=\"transform: perspective(0px);transform-style: flat;\" powered-by=\"xiumi.us\">\n<section style=\"text-align: center;transform: rotateX(180deg);margin-bottom: -8px;\">\n<section style=\"display: inline-block;width: 9px;height: 17px;vertical-align: top;overflow: hidden;border-style: solid;border-width: 2px;border-color: rgb(223, 228, 249);border-radius: 112%;\">\n<section style=\"text-align: justify;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"display: inline-block;vertical-align: top;width: auto;align-self: flex-start;flex: 100 100 0%;height: auto;\">\n<section style=\"transform: perspective(0px);transform-style: flat;\" powered-by=\"xiumi.us\">\n<section style=\"text-align: center;transform: rotateX(180deg);margin-bottom: -8px;\">\n<section style=\"display: inline-block;width: 9px;height: 17px;vertical-align: top;overflow: hidden;border-style: solid;border-width: 2px;border-color: rgb(223, 228, 249);border-radius: 112%;\">\n<section style=\"text-align: justify;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"display: inline-block;vertical-align: top;width: auto;align-self: flex-start;flex: 100 100 0%;height: auto;\">\n<section style=\"transform: perspective(0px);transform-style: flat;\" powered-by=\"xiumi.us\">\n<section style=\"text-align: center;transform: rotateX(180deg);margin-bottom: -8px;\">\n<section style=\"display: inline-block;width: 9px;height: 17px;vertical-align: top;overflow: hidden;border-style: solid;border-width: 2px;border-color: rgb(223, 228, 249);border-radius: 112%;\">\n<section style=\"text-align: justify;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"text-align: left;justify-content: flex-start;display: flex;flex-flow: row;margin-bottom: 10px;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 100%;vertical-align: top;align-self: flex-start;flex: 0 0 auto;background-color: rgb(237, 240, 251);padding: 14px 8px 8px;\">\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;align-self: flex-start;flex: 0 0 auto;background-color: rgb(255, 255, 255);padding: 16px;\">\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;align-self: flex-start;flex: 0 0 auto;padding: 14px;border-style: solid;border-width: 1px 0px 0px;border-top-color: rgb(237, 240, 251);border-bottom-color: rgb(237, 240, 251);\">\n<section style=\"text-align: justify;letter-spacing: 0.5px;\" powered-by=\"xiumi.us\">\n<p style=\"margin-bottom: 12px;text-wrap: wrap;\"><span style=\"font-size: 16px;letter-spacing: 0.5px;text-indent: 32px;background-color: rgb(255, 255, 255);\">\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5173\u4e8e Learner \u5bf9\u8c61\u7684\u91cd\u8981\u4fe1\u606f\uff1a<\/span><\/p>\n<p style=\"margin-bottom: 12px;text-wrap: wrap;\">1\u7b97\u6cd5\u9009\u62e9\uff1amlr3 \u63d0\u4f9b\u4e86\u591a\u4e2a\u5185\u7f6e\u7684 Learner \u5bf9\u8c61\uff0c\u6db5\u76d6\u4e86\u5e38\u89c1\u7684\u673a\u5668\u5b66\u4e60\u7b97\u6cd5\uff0c\u5305\u62ec\u5206\u7c7b\u3001\u56de\u5f52\u3001\u751f\u5b58\u5206\u6790\u7b49\u3002\u4f60\u53ef\u4ee5\u6839\u636e\u95ee\u9898\u7684\u6027\u8d28\u9009\u62e9\u5408\u9002\u7684 Learner \u5bf9\u8c61\u3002<\/p>\n<p style=\"margin-bottom: 12px;text-wrap: wrap;\"><br \/><\/p>\n<p style=\"margin-bottom: 12px;text-wrap: wrap;\">2\u53c2\u6570\u8bbe\u7f6e\uff1a\u6bcf\u4e2a Learner \u5bf9\u8c61\u6709\u4e00\u7ec4\u9ed8\u8ba4\u7684\u53c2\u6570\u914d\u7f6e\uff0c\u8fd9\u4e9b\u53c2\u6570\u4f1a\u5f71\u54cd\u7b97\u6cd5\u7684\u884c\u4e3a\u548c\u6027\u80fd\u3002\u4f60\u53ef\u4ee5\u901a\u8fc7\u4fee\u6539\u53c2\u6570\u6765\u8c03\u6574\u7b97\u6cd5\u7684\u8868\u73b0\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u8d85\u53c2\u6570\u4f18\u5316\u65b9\u6cd5\u627e\u5230\u6700\u4f73\u914d\u7f6e\u3002<\/p>\n<p style=\"margin-bottom: 12px;text-wrap: wrap;\"><br \/><\/p>\n<p style=\"margin-bottom: 12px;text-wrap: wrap;\">3\u8bad\u7ec3\u4e0e\u9884\u6d4b\uff1aLearner \u5bf9\u8c61\u6709 train() \u65b9\u6cd5\uff0c\u7528\u4e8e\u4ece\u4efb\u52a1\u5bf9\u8c61\u4e2d\u8bad\u7ec3\u6a21\u578b\u3002\u8bad\u7ec3\u540e\u7684\u6a21\u578b\u53ef\u4ee5\u7528\u4e8e\u9884\u6d4b\u65b0\u6570\u636e\u3002\u9884\u6d4b\u4f7f\u7528 predict() \u65b9\u6cd5\uff0c\u901a\u8fc7\u4f20\u5165\u8f93\u5165\u6570\u636e\u8fdb\u884c\u9884\u6d4b\u3002<\/p>\n<p style=\"margin-bottom: 12px;text-wrap: wrap;\"><br \/><\/p>\n<p style=\"margin-bottom: 12px;text-wrap: wrap;\">4\u6027\u80fd\u8bc4\u4f30\uff1aLearner \u5bf9\u8c61\u53ef\u4ee5\u4e0e\u4e0d\u540c\u7684\u8bc4\u4f30\u5668\uff08Resampler\uff09\u4e00\u8d77\u4f7f\u7528\uff0c\u7528\u4e8e\u8bc4\u4f30\u6a21\u578b\u7684\u6027\u80fd\u3002\u8bc4\u4f30\u5668\u53ef\u4ee5\u6267\u884c\u4ea4\u53c9\u9a8c\u8bc1\u3001\u7559\u4e00\u6cd5\u7b49\u7b56\u7565\u6765\u4f30\u8ba1\u6a21\u578b\u7684\u6027\u80fd\u6307\u6807\u3002<\/p>\n<p style=\"margin-bottom: 12px;text-wrap: wrap;\"><br \/><\/p>\n<p style=\"margin-bottom: 12px;text-wrap: wrap;\">5\u6a21\u578b\u6bd4\u8f83\uff1aLearner \u5bf9\u8c61\u53ef\u4ee5\u7528\u4e8e\u8fdb\u884c\u6a21\u578b\u6bd4\u8f83\u548c\u9009\u62e9\u3002\u4f60\u53ef\u4ee5\u5728\u540c\u4e00\u4efb\u52a1\u4e0a\u8bad\u7ec3\u591a\u4e2a\u4e0d\u540c\u7684\u6a21\u578b\uff0c\u7136\u540e\u4f7f\u7528\u8bc4\u4f30\u5668\u6bd4\u8f83\u5b83\u4eec\u7684\u6027\u80fd\u3002<\/p>\n<p style=\"margin-bottom: 12px;text-wrap: wrap;\"><br \/><\/p>\n<p style=\"margin-bottom: 12px;text-wrap: wrap;\">6\u81ea\u5b9a\u4e49\u5b66\u4e60\u5668\uff1a\u9664\u4e86\u5185\u7f6e\u7684 Learner \u5bf9\u8c61\uff0c\u4f60\u8fd8\u53ef\u4ee5\u521b\u5efa\u81ea\u5b9a\u4e49\u7684\u5b66\u4e60\u5668\uff0c\u7528\u4e8e\u96c6\u6210\u5176\u4ed6\u673a\u5668\u5b66\u4e60\u5e93\u4e2d\u7684\u7b97\u6cd5\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7\u7ee7\u627f Learner \u7c7b\u6765\u5b9e\u73b0\u3002<\/p>\n<p><br \/><\/p>\n<\/section>\n<section style=\"text-align: right;margin-top: 10px;line-height: 0;\" powered-by=\"xiumi.us\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;width: 45%;height: auto;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.3712962962962963\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/2_DTiaLPpxkgPu65WRmyIhQlTOiauAVw.png?w=640\" onerror=\"this.src='\u56fe\u7247\/\u751f\u4fe1\u679c_2023-09-01_\u300c\u8f6c\u300dmlr3\u4e2d\u7684\u673a\u5668\u5b66\u4e60--\u8fdb\u5165\u751f\u7269\u4fe1\u606f\u5b66\u65b0\u65f6\u4ee3(2)\/6_DTiaLPpxkgPu65WRmyIhQlTOiauAVw.png\" onerror=\"this.src='\u56fe\u7247\/\u751f\u4fe1\u679c_2023-09-01_\u300c\u8f6c\u300dmlr3\u4e2d\u7684\u673a\u5668\u5b66\u4e60--\u8fdb\u5165\u751f\u7269\u4fe1\u606f\u5b66\u65b0\u65f6\u4ee3(2)\/9_DTiaLPpxkgPu65WRmyIhQlTOiauAVw.png\" onerror=\"this.src='\u56fe\u7247\/\u751f\u4fe1\u679c_2023-09-01_\u300c\u8f6c\u300dmlr3\u4e2d\u7684\u673a\u5668\u5b66\u4e60--\u8fdb\u5165\u751f\u7269\u4fe1\u606f\u5b66\u65b0\u65f6\u4ee3(2)\/12_DTiaLPpxkgPu65WRmyIhQlTOiauAVw.png\" onerror=\"this.src='\u56fe\u7247\/\u751f\u4fe1\u679c_2023-09-01_\u300c\u8f6c\u300dmlr3\u4e2d\u7684\u673a\u5668\u5b66\u4e60--\u8fdb\u5165\u751f\u7269\u4fe1\u606f\u5b66\u65b0\u65f6\u4ee3(2)\/20_DTiaLPpxkgPu65WRmyIhQlTOiauAVw.png\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEWVKqbIfRYiaWWRblYrmTSHZgp0DibaG1MdeIlrbvHUlKicZGW1LDTiaLPpxkgPu65WRmyIhQlTOiauAVw\/640?wx_fmt=png'''''\" data-type=\"png\" data-w=\"1080\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"text-align: left;justify-content: flex-start;display: flex;flex-flow: row;margin-bottom: 10px;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 100%;vertical-align: top;align-self: flex-start;flex: 0 0 auto;background-color: rgb(248, 249, 253);padding: 26px;\">\n<section style=\"margin-bottom: 10px;\" powered-by=\"xiumi.us\">\n<section style=\"text-align: justify;letter-spacing: 0.5px;\">\n<p style=\"text-indent: 2.0625em;text-wrap: wrap;\">\u9996\u5148\u5148\u5bfc\u5165R\u5305\uff0c\u7136\u540e\u4f7f\u7528mlr_learners\u76f8\u770bmlr3\u4e2d\u5b58\u50a8\u7684\u673a\u5668\u5b66\u4e60\u65b9\u6cd5\uff0c\u5e76\u901a\u8fc7lrn()\u51fd\u6570\u8bfb\u53d6\u7279\u5b9a\u7684\u65b9\u6cd5\uff1a<\/p>\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<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"c\"><code><span class=\"code-snippet_outer\">library(mlr3)  <\/span><\/code><code><span class=\"code-snippet_outer\">mlr_learners#\u8bfb\u53d6learner\u5bf9\u8c61  <\/span><\/code><code><span class=\"code-snippet_outer\">lrn(<span class=\"code-snippet__string\">\"regr.rpart\"<\/span>)#\u7d22\u5f15\u5177\u4f53\u7684learner\u5bf9\u8c61  <\/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=\"0.0612668743509865\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/3_be1hwbg4k8NACN8RAdica9mbs6lbJw.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEWVKqbIfRYiaWWRblYrmTSHZ5gPf22oPZtu5drqBtUdpzUZf6ibe1hwbg4k8NACN8RAdica9mbs6lbJw\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"963\" 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=\"0.2357142857142857\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/4_MyAVxUxkc3Pd1GSg6D3DTyjScXpWsQ.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEWVKqbIfRYiaWWRblYrmTSHZ3cD0T0SE8MR6mIiaS8rd8Ng4iaMyAVxUxkc3Pd1GSg6D3DTyjScXpWsQ\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"700\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\"><\/section>\n<\/section>\n<section style=\"text-align: left;justify-content: flex-start;display: flex;flex-flow: row;margin-bottom: 10px;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 100%;vertical-align: top;align-self: flex-start;flex: 0 0 auto;background-color: rgb(248, 249, 253);padding: 26px;\">\n<section style=\"margin-bottom: 10px;\" powered-by=\"xiumi.us\">\n<section style=\"text-align: justify;letter-spacing: 0.5px;\">\n<p style=\"text-indent: 2.0625em;text-wrap: wrap;\">\u6240\u6709\u5bf9\u8c61\u90fd\u5305\u542b\u4ee5\u4e0b\u5143\u6570\u636e\uff0c\u53ef\u4ee5\u5728\u4e0a\u9762\u7684\u8f93\u51fa\u4e2d\u770b\u5230\uff1aLearner<\/p>\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\">$feature_types\uff1alearner\u53ef\u4ee5\u5904\u7406\u7684\u6570\u636e\u7c7b\u578b\u3002<\/span><\/code><code><span class=\"code-snippet_outer\">$packages\uff1a\u4f7f\u7528learner\u9700\u8981\u5b89\u88c5\u7684\u8f6f\u4ef6\u5305\u3002<\/span><\/code><code><span class=\"code-snippet_outer\">$properties\uff1alearner\u7684\u5c5e\u6027\u3002\u4f8b\u5982\uff0c\u201c\u7f3a\u5931\u201d\u5c5e\u6027\u8868\u793a\u6a21\u578b\u53ef\u4ee5\u5904\u7406\u7f3a\u5931\u7684\u6570\u636e\uff0c\u201c\u91cd\u8981\u6027\u201d\u8868\u793a\u5b83\u53ef\u4ee5\u8ba1\u7b97\u6bcf\u4e2a\u7279\u5f81\u7684\u76f8\u5bf9\u91cd\u8981\u6027\u3002<\/span><\/code><code><span class=\"code-snippet_outer\">$predict_types\uff1a\u6a21\u578b\u53ef\u4ee5\u505a\u51fa\u7684\u9884\u6d4b\u7c7b\u578b<\/span><\/code><code><span class=\"code-snippet_outer\">$param_set\uff1a\u53ef\u7528\u8d85\u53c2\u6570\u7684\u96c6\u5408<\/span><\/code><\/pre>\n<\/section>\n<section style=\"text-align: left;justify-content: flex-start;display: flex;flex-flow: row;margin-bottom: 10px;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 100%;vertical-align: top;align-self: flex-start;flex: 0 0 auto;background-color: rgb(248, 249, 253);padding: 26px;\">\n<section style=\"margin-bottom: 10px;\" powered-by=\"xiumi.us\">\n<section style=\"text-align: justify;letter-spacing: 0.5px;\">\n<p style=\"text-indent: 2.0625em;margin-bottom: 12px;text-wrap: wrap;\">\u8fd0\u884c\u673a\u5668\u5b66\u4e60\u5b9e\u9a8c\uff0clearner\u9700\u8981\u7ecf\u5386\u4e24\u4e2a\u9636\u6bb5\uff1a<\/p>\n<p style=\"text-indent: 2.0625em;margin-bottom: 12px;text-wrap: wrap;\">1\u8bad\u7ec3Task$train()\uff1a\u5c06\u8bad\u7ec3\u4f20\u9012\u7ed9learner\u7684\u51fd\u6570\uff0c\u8be5\u51fd\u6570\u53ef\u4ee5\u8bad\u7ec3\u548c\u5b58\u50a8\u6a21\u578b\uff0c\u5373\u7279\u5f81\u4e0e\u76ee\u6807\u7684\u5b66\u4e60\u5173\u7cfb\u3002<\/p>\n<p style=\"text-indent: 2.0625em;margin-bottom: 12px;text-wrap: wrap;\">2\u9884\u6d4b$predict()\uff1a\u65b0\u6570\u636e\uff08\u53ef\u80fd\u662f\u539f\u59cb\u6570\u636e\u96c6\u7684\u4e0d\u540c\u5206\u533a\uff09\u88ab\u4f20\u9012\u7ed9\u7ecf\u8fc7\u8bad\u7ec3\u7684\u5b66\u4e60\u8005\u7684\u65b9\u6cd5\u4ee5\u9884\u6d4b\u76ee\u6807\u503c\u3002<\/p>\n<p><br \/><\/p>\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=\"0.9075268817204301\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/5_CCPibMXU9Mte3Fz2icibK9N3gVL7VQ.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEWVKqbIfRYiaWWRblYrmTSHZTzHaJPiaTkTnntEF42n1lKibE9IjoCCPibMXU9Mte3Fz2icibK9N3gVL7VQ\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"465\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\"><\/section>\n<\/section>\n<p powered-by=\"xiumi.us\" style=\"margin-bottom: 24px;\"><br \/><\/p>\n<section style=\"text-align: right;margin-top: 10px;line-height: 0;margin-bottom: 24px;\" powered-by=\"xiumi.us\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;width: 45%;height: auto;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.3712962962962963\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/2_DTiaLPpxkgPu65WRmyIhQlTOiauAVw.png?w=640\" onerror=\"this.src='\u56fe\u7247\/\u751f\u4fe1\u679c_2023-09-01_\u300c\u8f6c\u300dmlr3\u4e2d\u7684\u673a\u5668\u5b66\u4e60--\u8fdb\u5165\u751f\u7269\u4fe1\u606f\u5b66\u65b0\u65f6\u4ee3(2)\/6_DTiaLPpxkgPu65WRmyIhQlTOiauAVw.png\" onerror=\"this.src='\u56fe\u7247\/\u751f\u4fe1\u679c_2023-09-01_\u300c\u8f6c\u300dmlr3\u4e2d\u7684\u673a\u5668\u5b66\u4e60--\u8fdb\u5165\u751f\u7269\u4fe1\u606f\u5b66\u65b0\u65f6\u4ee3(2)\/9_DTiaLPpxkgPu65WRmyIhQlTOiauAVw.png\" onerror=\"this.src='\u56fe\u7247\/\u751f\u4fe1\u679c_2023-09-01_\u300c\u8f6c\u300dmlr3\u4e2d\u7684\u673a\u5668\u5b66\u4e60--\u8fdb\u5165\u751f\u7269\u4fe1\u606f\u5b66\u65b0\u65f6\u4ee3(2)\/12_DTiaLPpxkgPu65WRmyIhQlTOiauAVw.png\" onerror=\"this.src='\u56fe\u7247\/\u751f\u4fe1\u679c_2023-09-01_\u300c\u8f6c\u300dmlr3\u4e2d\u7684\u673a\u5668\u5b66\u4e60--\u8fdb\u5165\u751f\u7269\u4fe1\u606f\u5b66\u65b0\u65f6\u4ee3(2)\/20_DTiaLPpxkgPu65WRmyIhQlTOiauAVw.png\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEWVKqbIfRYiaWWRblYrmTSHZgp0DibaG1MdeIlrbvHUlKicZGW1LDTiaLPpxkgPu65WRmyIhQlTOiauAVw\/640?wx_fmt=png'''''\" data-type=\"png\" data-w=\"1080\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<section style=\"text-align: left;justify-content: flex-start;display: flex;flex-flow: row;margin-top: 10px;margin-bottom: 10px;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;vertical-align: bottom;width: auto;min-width: 5%;flex: 0 0 auto;height: auto;align-self: flex-end;\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<section style=\"display: inline-block;vertical-align: bottom;width: auto;align-self: flex-end;flex: 0 0 auto;min-width: 5%;height: auto;padding-left: 9px;\">\n<section style=\"justify-content: flex-start;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;vertical-align: middle;width: auto;align-self: center;flex: 0 0 auto;min-width: 5%;height: auto;\">\n<section style=\"text-align: center;justify-content: center;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;vertical-align: top;width: auto;min-width: 5%;flex: 0 0 auto;height: auto;padding-right: 7px;\">\n<section style=\"font-size: 19px;margin-right: 0%;margin-left: 0%;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;border-width: 1px;border-style: solid;border-color: rgb(251, 196, 171);background-color: rgb(251, 196, 171);width: 1.8em;height: 1.8em;line-height: 1.8em;border-radius: 100%;margin-left: auto;margin-right: auto;font-size: 16px;color: rgb(255, 255, 255);\">\n<p><strong>\u4e00<\/strong><\/p>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"display: inline-block;vertical-align: top;width: auto;min-width: 5%;flex: 0 0 auto;height: auto;padding-right: 7px;\">\n<section style=\"font-size: 19px;margin-right: 0%;margin-left: 0%;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;border-width: 1px;border-style: solid;border-color: rgb(223, 228, 249);background-color: rgb(223, 228, 249);width: 1.8em;height: 1.8em;line-height: 1.8em;border-radius: 100%;margin-left: auto;margin-right: auto;font-size: 16px;color: rgb(255, 255, 255);\">\n<p>\u8bad<br \/><\/p>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"display: inline-block;vertical-align: top;width: auto;min-width: 5%;flex: 0 0 auto;height: auto;padding-right: 7px;\">\n<section style=\"font-size: 19px;margin-right: 0%;margin-left: 0%;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;border-width: 1px;border-style: solid;border-color: rgb(251, 196, 171);background-color: rgb(251, 196, 171);width: 1.8em;height: 1.8em;line-height: 1.8em;border-radius: 100%;margin-left: auto;margin-right: auto;font-size: 16px;color: rgb(255, 255, 255);\">\n<p>\u7ec3<br \/><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"display: inline-block;vertical-align: middle;width: auto;min-width: 5%;flex: 0 0 auto;height: auto;align-self: center;\">\n<section style=\"transform: perspective(0px);transform-style: flat;\" powered-by=\"xiumi.us\">\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;transform: rotateY(180deg);\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;width: 30.898px;height: auto;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"1.0355731225296443\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/1_y5fbibjfWr4yqZOibMicuGPwDSlffw.png?w=640\" onerror=\"this.src='\u56fe\u7247\/\u751f\u4fe1\u679c_2023-09-01_\u300c\u8f6c\u300dmlr3\u4e2d\u7684\u673a\u5668\u5b66\u4e60--\u8fdb\u5165\u751f\u7269\u4fe1\u606f\u5b66\u65b0\u65f6\u4ee3(2)\/7_y5fbibjfWr4yqZOibMicuGPwDSlffw.png\" onerror=\"this.src='\u56fe\u7247\/\u751f\u4fe1\u679c_2023-09-01_\u300c\u8f6c\u300dmlr3\u4e2d\u7684\u673a\u5668\u5b66\u4e60--\u8fdb\u5165\u751f\u7269\u4fe1\u606f\u5b66\u65b0\u65f6\u4ee3(2)\/10_y5fbibjfWr4yqZOibMicuGPwDSlffw.png\" onerror=\"this.src='\u56fe\u7247\/\u751f\u4fe1\u679c_2023-09-01_\u300c\u8f6c\u300dmlr3\u4e2d\u7684\u673a\u5668\u5b66\u4e60--\u8fdb\u5165\u751f\u7269\u4fe1\u606f\u5b66\u65b0\u65f6\u4ee3(2)\/13_y5fbibjfWr4yqZOibMicuGPwDSlffw.png\" onerror=\"this.src='\u56fe\u7247\/\u751f\u4fe1\u679c_2023-09-01_\u300c\u8f6c\u300dmlr3\u4e2d\u7684\u673a\u5668\u5b66\u4e60--\u8fdb\u5165\u751f\u7269\u4fe1\u606f\u5b66\u65b0\u65f6\u4ee3(2)\/19_y5fbibjfWr4yqZOibMicuGPwDSlffw.png\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEWVKqbIfRYiaWWRblYrmTSHZ5cdbxRg163Or5TjWNibJbSPZl0rWy5fbibjfWr4yqZOibMicuGPwDSlffw\/640?wx_fmt=png'''''\" data-type=\"png\" data-w=\"253\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"text-align: left;justify-content: flex-start;display: flex;flex-flow: row;margin-bottom: 10px;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 100%;vertical-align: top;align-self: flex-start;flex: 0 0 auto;background-color: rgb(248, 249, 253);padding: 26px;\">\n<section style=\"margin-bottom: 10px;\" powered-by=\"xiumi.us\">\n<section style=\"text-align: justify;letter-spacing: 0.5px;\">\n<p>\u5728\u4e0b\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5c06\u901a\u8fc7$train()\u65b9\u6cd5\u5c06task\u4f20\u7ed9\u7ed9learner\u8fdb\u884c\u6a21\u578b\u7684\u8bad\u7ec3\uff1a<\/p>\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\"># \u8f7d\u5165task  <\/span><\/code><code><span class=\"code-snippet_outer\">tsk_mtcars = tsk(<span class=\"code-snippet__string\">\"mtcars\"<\/span>)  <\/span><\/code><code><span class=\"code-snippet_outer\"># \u9009\u62e9learner\u65b9\u6cd5  <\/span><\/code><code><span class=\"code-snippet_outer\">lrn_rpart = lrn(<span class=\"code-snippet__string\">\"regr.rpart\"<\/span>)  <\/span><\/code><code><span class=\"code-snippet_outer\"># \u5c06task\u4f20\u9012\u7ed9learner\uff0c\u4ece\u800c\u8fdb\u884c\u6a21\u578b\u7684\u8bad\u7ec3  <\/span><\/code><code><span class=\"code-snippet_outer\">lrn_rpart$train(tsk_mtcars)  <\/span><\/code><code><span class=\"code-snippet_outer\">lrn_rpart$model#\u8f93\u51fa\u8bad\u7ec3\u540e\u7684\u6a21\u578b<\/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=\"0.4976851851851852\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/8_QtpHz8wUDLPnnyjaSUVOKjFJiaLibQ.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEWVKqbIfRYiaWWRblYrmTSHZ2iaHAlRS4oicT6pOUiaCGGkPiaWAnpQtpHz8wUDLPnnyjaSUVOKjFJiaLibQ\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"432\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\"><\/section>\n<\/section>\n<section style=\"text-align: left;justify-content: flex-start;display: flex;flex-flow: row;margin-bottom: 10px;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 100%;vertical-align: top;align-self: flex-start;flex: 0 0 auto;background-color: rgb(248, 249, 253);padding: 26px;\">\n<section style=\"margin-bottom: 10px;\" powered-by=\"xiumi.us\">\n<section style=\"text-align: justify;letter-spacing: 0.5px;\">\n<p style=\"text-indent: 2.0625em;margin-bottom: 12px;text-wrap: wrap;\">\u5728\u8fd9\u91cc\u5c0f\u5e08\u59b9\u4f7f\u7528\u673a\u5668\u5b66\u4e60\u4e2d\u6700\u4e3a\u7b80\u5355\u7684\u51b3\u7b56\u6811\u65b9\u6cd5\uff0c\u5bf9mtcars\u6570\u636e\u96c6\u8fdb\u884c\u5b66\u4e60\uff0c\u5e76\u8f93\u51falrn_rpart \u5b66\u4e60\u5668\uff08R\u4e2d\u7684rpart\u7b97\u6cd5\uff09\u5728mtcars\u6570\u636e\u96c6\u4e0a\u8bad\u7ec3\u540e\u7684\u51b3\u7b56\u6811\u6a21\u578b\u3002\u5176\u4e2d\uff0cn= 32\uff1a\u8868\u793a\u8bad\u7ec3\u6570\u636e\u7684\u6837\u672c\u6570\u91cf\u4e3a32\u4e2a\u3002<\/p>\n<p style=\"text-indent: 2.0625em;margin-bottom: 12px;text-wrap: wrap;\">Node, split, n, deviance, yval\uff1a\u8fd9\u4e00\u884c\u5217\u51fa\u4e86\u6811\u4e2d\u6bcf\u4e2a\u8282\u70b9\u7684\u76f8\u5173\u4fe1\u606f\uff0c\u5176\u4e2d\uff1anode \u8868\u793a\u8282\u70b9\u7f16\u53f7\u3002split \u662f\u8be5\u8282\u70b9\u5206\u88c2\u6240\u7528\u7684\u7279\u5f81\u3002n \u662f\u8be5\u8282\u70b9\u7684\u6837\u672c\u6570\u91cf\u3002deviance \u8868\u793a\u5728\u8be5\u8282\u70b9\u7684\u4e0d\u7eaf\u5ea6\u6216\u62df\u5408\u8bef\u5dee\u5ea6\u91cf\u3002yval \u662f\u8be5\u8282\u70b9\u7684\u9884\u6d4b\u8f93\u51fa\u503c\u3002<\/p>\n<p style=\"text-indent: 2.0625em;margin-bottom: 12px;text-wrap: wrap;\">* denotes terminal node\uff1a\u8fd9\u8868\u793a * \u6807\u5fd7\u7684\u8282\u70b9\u4e3a\u53f6\u8282\u70b9\uff0c\u5373\u51b3\u7b56\u6811\u7684\u6700\u7ec8\u8f93\u51fa\u8282\u70b9\u3002<\/p>\n<p style=\"text-indent: 2.0625em;margin-bottom: 12px;text-wrap: wrap;\">\u6811\u7684\u7ed3\u6784\uff1a\u6839\u8282\u70b9 (root)\uff1a\u6837\u672c\u6570\u4e3a32\uff0c\u5e73\u5747\u9884\u6d4b\u503c (yval) \u4e3a 20.09062\u3002\u7b2c\u4e8c\u4e2a\u8282\u70b9 (cyl >= 5)\uff1a\u6ee1\u8db3\u6761\u4ef6 cyl >= 5 \u7684\u6837\u672c\u670921\u4e2a\uff0c\u5e73\u5747\u9884\u6d4b\u503c\u4e3a16.64762\u3002\u5b50\u8282\u70b9 hp >= 192.5\uff1a\u6ee1\u8db3\u6761\u4ef6 hp >= 192.5 \u7684\u6837\u672c\u67097\u4e2a\uff0c\u5e73\u5747\u9884\u6d4b\u503c\u4e3a13.41429\u3002\u7531\u4e8e\u6ca1\u6709\u66f4\u591a\u7684\u5206\u88c2\u6761\u4ef6\uff0c\u8fd9\u4e2a\u8282\u70b9\u6210\u4e3a\u53f6\u8282\u70b9\u3002\u5b50\u8282\u70b9 hp < 192.5\uff1a\u6ee1\u8db3\u6761\u4ef6 hp < 192.5 \u7684\u6837\u672c\u670914\u4e2a\uff0c\u5e73\u5747\u9884\u6d4b\u503c\u4e3a18.26429\u3002\u540c\u6837\uff0c\u8fd9\u4e2a\u8282\u70b9\u4e5f\u6210\u4e3a\u53f6\u8282\u70b9\u3002\u7b2c\u4e09\u4e2a\u8282\u70b9 (cyl < 5)\uff1a\u4e0d\u6ee1\u8db3\u6761\u4ef6 cyl >= 5 \u7684\u6837\u672c\u670911\u4e2a\uff0c\u5e73\u5747\u9884\u6d4b\u503c\u4e3a26.66364\u3002\u8fd9\u4e2a\u8282\u70b9\u4e5f\u6210\u4e3a\u53f6\u8282\u70b9\u3002<\/p>\n<p style=\"text-indent: 2.0625em;margin-bottom: 12px;text-wrap: wrap;\">\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u770b\u5230\u51b3\u7b56\u6811\u5df2\u7ecf\u8bc6\u522b\u4e86\u4efb\u52a1\u4e2d\u9884\u6d4b\u76ee\u6807\u7684\u7279\u5f81\uff0c\u5e76\u4f7f\u7528\u5b83\u4eec\u5bf9\u89c2\u6d4b\u503c\u8fdb\u884c\u5206\u533a\u3002\u6a21\u578b\u7684\u6587\u672c\u8868\u793a\u53d6\u51b3\u4e8e\u5b66\u4e60\u8005\u7684\u7c7b\u578b\u3002<\/p>\n<p><br \/><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"text-align: right;margin-top: 10px;line-height: 0;margin-bottom: 24px;\" powered-by=\"xiumi.us\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;width: 45%;height: auto;\"><img decoding=\"async\" data-ratio=\"0.3712962962962963\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/2_DTiaLPpxkgPu65WRmyIhQlTOiauAVw.png?w=640\" onerror=\"this.src='\u56fe\u7247\/\u751f\u4fe1\u679c_2023-09-01_\u300c\u8f6c\u300dmlr3\u4e2d\u7684\u673a\u5668\u5b66\u4e60--\u8fdb\u5165\u751f\u7269\u4fe1\u606f\u5b66\u65b0\u65f6\u4ee3(2)\/6_DTiaLPpxkgPu65WRmyIhQlTOiauAVw.png\" onerror=\"this.src='\u56fe\u7247\/\u751f\u4fe1\u679c_2023-09-01_\u300c\u8f6c\u300dmlr3\u4e2d\u7684\u673a\u5668\u5b66\u4e60--\u8fdb\u5165\u751f\u7269\u4fe1\u606f\u5b66\u65b0\u65f6\u4ee3(2)\/9_DTiaLPpxkgPu65WRmyIhQlTOiauAVw.png\" onerror=\"this.src='\u56fe\u7247\/\u751f\u4fe1\u679c_2023-09-01_\u300c\u8f6c\u300dmlr3\u4e2d\u7684\u673a\u5668\u5b66\u4e60--\u8fdb\u5165\u751f\u7269\u4fe1\u606f\u5b66\u65b0\u65f6\u4ee3(2)\/12_DTiaLPpxkgPu65WRmyIhQlTOiauAVw.png\" onerror=\"this.src='\u56fe\u7247\/\u751f\u4fe1\u679c_2023-09-01_\u300c\u8f6c\u300dmlr3\u4e2d\u7684\u673a\u5668\u5b66\u4e60--\u8fdb\u5165\u751f\u7269\u4fe1\u606f\u5b66\u65b0\u65f6\u4ee3(2)\/20_DTiaLPpxkgPu65WRmyIhQlTOiauAVw.png\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEWVKqbIfRYiaWWRblYrmTSHZgp0DibaG1MdeIlrbvHUlKicZGW1LDTiaLPpxkgPu65WRmyIhQlTOiauAVw\/640?wx_fmt=png'''''\" data-type=\"png\" data-w=\"1080\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<section powered-by=\"xiumi.us\" style=\"margin-bottom: 24px;\">\n<p><br \/><\/p>\n<p><br \/><\/p>\n<\/section>\n<section style=\"text-align: left;justify-content: flex-start;display: flex;flex-flow: row;margin-top: 10px;margin-bottom: 10px;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;vertical-align: bottom;width: auto;min-width: 5%;flex: 0 0 auto;height: auto;align-self: flex-end;\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<section style=\"display: inline-block;vertical-align: bottom;width: auto;align-self: flex-end;flex: 0 0 auto;min-width: 5%;height: auto;padding-left: 9px;\">\n<section style=\"justify-content: flex-start;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;vertical-align: middle;width: auto;align-self: center;flex: 0 0 auto;min-width: 5%;height: auto;\">\n<section style=\"text-align: center;justify-content: center;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;vertical-align: top;width: auto;min-width: 5%;flex: 0 0 auto;height: auto;padding-right: 7px;\">\n<section style=\"font-size: 19px;margin-right: 0%;margin-left: 0%;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;border-width: 1px;border-style: solid;border-color: rgb(251, 196, 171);background-color: rgb(251, 196, 171);width: 1.8em;height: 1.8em;line-height: 1.8em;border-radius: 100%;margin-left: auto;margin-right: auto;font-size: 16px;color: rgb(255, 255, 255);\">\n<p><strong>\u4e8c<\/strong><\/p>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"display: inline-block;vertical-align: top;width: auto;min-width: 5%;flex: 0 0 auto;height: auto;padding-right: 7px;\">\n<section style=\"font-size: 19px;margin-right: 0%;margin-left: 0%;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;border-width: 1px;border-style: solid;border-color: rgb(223, 228, 249);background-color: rgb(223, 228, 249);width: 1.8em;height: 1.8em;line-height: 1.8em;border-radius: 100%;margin-left: auto;margin-right: auto;font-size: 16px;color: rgb(255, 255, 255);\">\n<p>\u6570<\/p>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"display: inline-block;vertical-align: top;width: auto;min-width: 5%;flex: 0 0 auto;height: auto;padding-right: 7px;\">\n<section style=\"font-size: 19px;margin-right: 0%;margin-left: 0%;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;border-width: 1px;border-style: solid;border-color: rgb(251, 196, 171);background-color: rgb(251, 196, 171);width: 1.8em;height: 1.8em;line-height: 1.8em;border-radius: 100%;margin-left: auto;margin-right: auto;font-size: 16px;color: rgb(255, 255, 255);\">\n<p>\u636e<\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"display: inline-block;vertical-align: middle;width: auto;min-width: 5%;flex: 0 0 auto;height: auto;align-self: center;\">\n<section style=\"transform: perspective(0px);transform-style: flat;\" powered-by=\"xiumi.us\">\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;transform: rotateY(180deg);\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;width: 30.898px;height: auto;\"><img decoding=\"async\" data-ratio=\"1.0355731225296443\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/1_y5fbibjfWr4yqZOibMicuGPwDSlffw.png?w=640\" onerror=\"this.src='\u56fe\u7247\/\u751f\u4fe1\u679c_2023-09-01_\u300c\u8f6c\u300dmlr3\u4e2d\u7684\u673a\u5668\u5b66\u4e60--\u8fdb\u5165\u751f\u7269\u4fe1\u606f\u5b66\u65b0\u65f6\u4ee3(2)\/7_y5fbibjfWr4yqZOibMicuGPwDSlffw.png\" onerror=\"this.src='\u56fe\u7247\/\u751f\u4fe1\u679c_2023-09-01_\u300c\u8f6c\u300dmlr3\u4e2d\u7684\u673a\u5668\u5b66\u4e60--\u8fdb\u5165\u751f\u7269\u4fe1\u606f\u5b66\u65b0\u65f6\u4ee3(2)\/10_y5fbibjfWr4yqZOibMicuGPwDSlffw.png\" onerror=\"this.src='\u56fe\u7247\/\u751f\u4fe1\u679c_2023-09-01_\u300c\u8f6c\u300dmlr3\u4e2d\u7684\u673a\u5668\u5b66\u4e60--\u8fdb\u5165\u751f\u7269\u4fe1\u606f\u5b66\u65b0\u65f6\u4ee3(2)\/13_y5fbibjfWr4yqZOibMicuGPwDSlffw.png\" onerror=\"this.src='\u56fe\u7247\/\u751f\u4fe1\u679c_2023-09-01_\u300c\u8f6c\u300dmlr3\u4e2d\u7684\u673a\u5668\u5b66\u4e60--\u8fdb\u5165\u751f\u7269\u4fe1\u606f\u5b66\u65b0\u65f6\u4ee3(2)\/19_y5fbibjfWr4yqZOibMicuGPwDSlffw.png\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEWVKqbIfRYiaWWRblYrmTSHZ5cdbxRg163Or5TjWNibJbSPZl0rWy5fbibjfWr4yqZOibMicuGPwDSlffw\/640?wx_fmt=png'''''\" data-type=\"png\" data-w=\"253\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<\/section>\n<section style=\"font-size: 19px;margin-right: 0%;margin-left: 0%;text-align: center;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;border-width: 1px;border-style: solid;border-color: rgb(223, 228, 249);background-color: rgb(223, 228, 249);width: 1.8em;height: 1.8em;line-height: 1.8em;border-radius: 100%;margin-left: auto;margin-right: auto;font-size: 16px;color: rgb(255, 255, 255);\">\n<p>\u5206<\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"font-size: 19px;margin-right: 0%;margin-left: 0%;text-align: center;margin-bottom: 24px;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;border-width: 1px;border-style: solid;border-color: rgb(251, 196, 171);background-color: rgb(251, 196, 171);width: 1.8em;height: 1.8em;line-height: 1.8em;border-radius: 100%;margin-left: auto;margin-right: auto;font-size: 16px;color: rgb(255, 255, 255);\">\n<p>\u533a<br \/><\/p>\n<\/section>\n<\/section>\n<section style=\"text-align: left;justify-content: flex-start;display: flex;flex-flow: row;margin-bottom: 10px;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 100%;vertical-align: top;align-self: flex-start;flex: 0 0 auto;background-color: rgb(248, 249, 253);padding: 26px;\">\n<section style=\"margin-bottom: 10px;\" powered-by=\"xiumi.us\">\n<section style=\"text-align: justify;letter-spacing: 0.5px;\">\n<p>\u5728\u673a\u5668\u5b66\u4e60\u4efb\u52a1\u4e2d\uff0c\u5f53\u8bc4\u4f30\u6a21\u578b\u9884\u6d4b\u7684\u8d28\u91cf\u65f6\uff0c\u901a\u5e38\u5e0c\u671b\u5bf9\u6570\u636e\u96c6\u8fdb\u884c\u5206\u533a\uff0c\u4ee5\u83b7\u5f97\u5bf9\u6a21\u578b\u6cdb\u5316\u8bef\u5dee\u7684\u516c\u5e73\u548c\u516c\u6b63\u7684\u4f30\u8ba1\u3002\u6570\u636e\u96c6\u5206\u533a\u7684\u65b9\u6cd5\u901a\u5e38\u7531\uff1a\u62c6\u5206\u3001\u91cd\u91c7\u6837\u548c\u57fa\u51c6\u6d4b\u8bd5\u5b9e\u9a8c\u3002\u73b0\u5728\uff0c\u6211\u4eec\u5c06\u8ba8\u8bba\u4f7f\u7528 partition()\u51fd\u6570\u62c6\u5206\u6570\u636e\u7684\u6700\u7b80\u5355\u65b9\u6cd5\u3002Partition()\u51fd\u6570\u521b\u5efa\u7d22\u5f15\u96c6\uff0c\u5c06\u7ed9\u5b9a\u4efb\u52a1\u968f\u673a\u62c6\u5206\u4e3a\u4e24\u4e2a\u4e0d\u76f8\u4ea4\u7684\u96c6\uff1a\u8bad\u7ec3\u96c6\uff08\u9ed8\u8ba4\u5360\u603b\u6570\u636e\u7684 67%\uff09\u548c\u6d4b\u8bd5\u96c6\uff08\u5269\u4f59 33% \u7684\u603b\u6570\u636e\u4e0d\u5728\u8bad\u7ec3\u96c6\u4e2d\uff09\u3002<\/p>\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<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"c\"><code><span class=\"code-snippet_outer\">#\u6570\u636e\u5206\u533a  <\/span><\/code><code><span class=\"code-snippet_outer\">splits = partition(tsk_mtcars)  <\/span><\/code><code><span class=\"code-snippet_outer\">splits  <\/span><\/code><code><span class=\"code-snippet_outer\">lrn_rpart$train(tsk_mtcars, row_ids = splits$train) #\u7528\u5206\u533a\u540e\u7684\u6570\u636e\u8fdb\u884c\u8bad\u7ec3  <\/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=\"0.1744186046511628\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/11_DqJdutnpS3Ng0RNpEaXUdeVRxSUiag.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEWVKqbIfRYiaWWRblYrmTSHZia1XuYNBlibu4qicJpX1Wkia9cYr4DqJdutnpS3Ng0RNpEaXUdeVRxSUiag\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"688\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<section style=\"text-align: left;justify-content: flex-start;display: flex;flex-flow: row;margin-bottom: 10px;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 100%;vertical-align: top;align-self: flex-start;flex: 0 0 auto;background-color: rgb(248, 249, 253);padding: 26px;\">\n<section style=\"margin-bottom: 10px;\" powered-by=\"xiumi.us\">\n<section style=\"text-align: justify;letter-spacing: 0.5px;\">\n<p>\u8bad\u7ec3\u65f6\uff0c\u6211\u4eec\u5c06\u901a\u8fc7\u65b9\u6cd5\u5c06\u884c ID \u4ece \u4f20\u9012\u7ed9\u53c2\u6570\uff0c\u544a\u8bc9\u6a21\u578b\u4ec5\u4f7f\u7528\u8bad\u7ec3\u6570\u636e\u3002\u8fd9\u6837\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u4f7f\u7528\u8bad\u7ec3\u6570\u636e\u8fdb\u884c\u8bad\u7ec3\u5e76\u4f7f\u7528\u9884\u6d4b\u6570\u636e\u8fdb\u884c\u6a21\u578b\u7684\u8bc4\u4f30\u3002<\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"text-align: right;margin-top: 10px;line-height: 0;margin-bottom: 24px;\" powered-by=\"xiumi.us\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;width: 45%;height: auto;\"><img decoding=\"async\" class=\"rich_pages wxw-img\" data-ratio=\"0.3712962962962963\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/2_DTiaLPpxkgPu65WRmyIhQlTOiauAVw.png?w=640\" onerror=\"this.src='\u56fe\u7247\/\u751f\u4fe1\u679c_2023-09-01_\u300c\u8f6c\u300dmlr3\u4e2d\u7684\u673a\u5668\u5b66\u4e60--\u8fdb\u5165\u751f\u7269\u4fe1\u606f\u5b66\u65b0\u65f6\u4ee3(2)\/6_DTiaLPpxkgPu65WRmyIhQlTOiauAVw.png\" onerror=\"this.src='\u56fe\u7247\/\u751f\u4fe1\u679c_2023-09-01_\u300c\u8f6c\u300dmlr3\u4e2d\u7684\u673a\u5668\u5b66\u4e60--\u8fdb\u5165\u751f\u7269\u4fe1\u606f\u5b66\u65b0\u65f6\u4ee3(2)\/9_DTiaLPpxkgPu65WRmyIhQlTOiauAVw.png\" onerror=\"this.src='\u56fe\u7247\/\u751f\u4fe1\u679c_2023-09-01_\u300c\u8f6c\u300dmlr3\u4e2d\u7684\u673a\u5668\u5b66\u4e60--\u8fdb\u5165\u751f\u7269\u4fe1\u606f\u5b66\u65b0\u65f6\u4ee3(2)\/12_DTiaLPpxkgPu65WRmyIhQlTOiauAVw.png\" onerror=\"this.src='\u56fe\u7247\/\u751f\u4fe1\u679c_2023-09-01_\u300c\u8f6c\u300dmlr3\u4e2d\u7684\u673a\u5668\u5b66\u4e60--\u8fdb\u5165\u751f\u7269\u4fe1\u606f\u5b66\u65b0\u65f6\u4ee3(2)\/20_DTiaLPpxkgPu65WRmyIhQlTOiauAVw.png\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEWVKqbIfRYiaWWRblYrmTSHZgp0DibaG1MdeIlrbvHUlKicZGW1LDTiaLPpxkgPu65WRmyIhQlTOiauAVw\/640?wx_fmt=png'''''\" data-type=\"png\" data-w=\"1080\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<section powered-by=\"xiumi.us\" style=\"margin-bottom: 24px;\">\n<p><br \/><\/p>\n<p><br \/><\/p>\n<\/section>\n<section style=\"text-align: left;justify-content: flex-start;display: flex;flex-flow: row;margin-top: 10px;margin-bottom: 10px;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;vertical-align: bottom;width: auto;min-width: 5%;flex: 0 0 auto;height: auto;align-self: flex-end;\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<section style=\"display: inline-block;vertical-align: bottom;width: auto;align-self: flex-end;flex: 0 0 auto;min-width: 5%;height: auto;padding-left: 9px;\">\n<section style=\"justify-content: flex-start;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;vertical-align: middle;width: auto;align-self: center;flex: 0 0 auto;min-width: 5%;height: auto;\">\n<section style=\"text-align: center;justify-content: center;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;vertical-align: top;width: auto;min-width: 5%;flex: 0 0 auto;height: auto;padding-right: 7px;\">\n<section style=\"font-size: 19px;margin-right: 0%;margin-left: 0%;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;border-width: 1px;border-style: solid;border-color: rgb(251, 196, 171);background-color: rgb(251, 196, 171);width: 1.8em;height: 1.8em;line-height: 1.8em;border-radius: 100%;margin-left: auto;margin-right: auto;font-size: 16px;color: rgb(255, 255, 255);\">\n<p><strong>\u4e09<\/strong><\/p>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"display: inline-block;vertical-align: top;width: auto;min-width: 5%;flex: 0 0 auto;height: auto;padding-right: 7px;\">\n<section style=\"font-size: 19px;margin-right: 0%;margin-left: 0%;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;border-width: 1px;border-style: solid;border-color: rgb(223, 228, 249);background-color: rgb(223, 228, 249);width: 1.8em;height: 1.8em;line-height: 1.8em;border-radius: 100%;margin-left: auto;margin-right: auto;font-size: 16px;color: rgb(255, 255, 255);\">\n<p>\u9884<br \/><\/p>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"display: inline-block;vertical-align: top;width: auto;min-width: 5%;flex: 0 0 auto;height: auto;padding-right: 7px;\">\n<section style=\"font-size: 19px;margin-right: 0%;margin-left: 0%;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;border-width: 1px;border-style: solid;border-color: rgb(251, 196, 171);background-color: rgb(251, 196, 171);width: 1.8em;height: 1.8em;line-height: 1.8em;border-radius: 100%;margin-left: auto;margin-right: auto;font-size: 16px;color: rgb(255, 255, 255);\">\n<p>\u6d4b<\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"display: inline-block;vertical-align: middle;width: auto;min-width: 5%;flex: 0 0 auto;height: auto;align-self: center;\">\n<section style=\"transform: perspective(0px);transform-style: flat;\" powered-by=\"xiumi.us\">\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;transform: rotateY(180deg);\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;width: 30.898px;height: auto;\"><img decoding=\"async\" data-ratio=\"1.0355731225296443\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/1_y5fbibjfWr4yqZOibMicuGPwDSlffw.png?w=640\" onerror=\"this.src='\u56fe\u7247\/\u751f\u4fe1\u679c_2023-09-01_\u300c\u8f6c\u300dmlr3\u4e2d\u7684\u673a\u5668\u5b66\u4e60--\u8fdb\u5165\u751f\u7269\u4fe1\u606f\u5b66\u65b0\u65f6\u4ee3(2)\/7_y5fbibjfWr4yqZOibMicuGPwDSlffw.png\" onerror=\"this.src='\u56fe\u7247\/\u751f\u4fe1\u679c_2023-09-01_\u300c\u8f6c\u300dmlr3\u4e2d\u7684\u673a\u5668\u5b66\u4e60--\u8fdb\u5165\u751f\u7269\u4fe1\u606f\u5b66\u65b0\u65f6\u4ee3(2)\/10_y5fbibjfWr4yqZOibMicuGPwDSlffw.png\" onerror=\"this.src='\u56fe\u7247\/\u751f\u4fe1\u679c_2023-09-01_\u300c\u8f6c\u300dmlr3\u4e2d\u7684\u673a\u5668\u5b66\u4e60--\u8fdb\u5165\u751f\u7269\u4fe1\u606f\u5b66\u65b0\u65f6\u4ee3(2)\/13_y5fbibjfWr4yqZOibMicuGPwDSlffw.png\" onerror=\"this.src='\u56fe\u7247\/\u751f\u4fe1\u679c_2023-09-01_\u300c\u8f6c\u300dmlr3\u4e2d\u7684\u673a\u5668\u5b66\u4e60--\u8fdb\u5165\u751f\u7269\u4fe1\u606f\u5b66\u65b0\u65f6\u4ee3(2)\/19_y5fbibjfWr4yqZOibMicuGPwDSlffw.png\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEWVKqbIfRYiaWWRblYrmTSHZ5cdbxRg163Or5TjWNibJbSPZl0rWy5fbibjfWr4yqZOibMicuGPwDSlffw\/640?wx_fmt=png'''''\" data-type=\"png\" data-w=\"253\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"text-align: left;justify-content: flex-start;display: flex;flex-flow: row;margin-bottom: 10px;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 100%;vertical-align: top;align-self: flex-start;flex: 0 0 auto;background-color: rgb(248, 249, 253);padding: 26px;\">\n<section style=\"margin-bottom: 10px;\" powered-by=\"xiumi.us\">\n<section style=\"text-align: justify;letter-spacing: 0.5px;\">\n<p>\u4e0b\u9762\u5c0f\u5e08\u59b9\u5c06\u5e26\u5c0f\u4f19\u4f34\u4eec\u5b66\u4e60\u6a21\u578b\u7684\u9884\u6d4b\uff0c\u4e5f\u975e\u5e38\u7b80\u5355\u5462\uff0c\u53ea\u9700\u4f7f\u7528Task$predict()Learner\u5c31\u53ef\u4ee5\u4e86\uff1a<\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"c\"><code><span class=\"code-snippet_outer\">#\u9884\u6d4b  <\/span><\/code><code><span class=\"code-snippet_outer\">prediction = lrn_rpart$predict(tsk_mtcars, row_ids = splits$test)  <\/span><\/code><code><span class=\"code-snippet_outer\">prediction  <\/span><\/code><code><span class=\"code-snippet_outer\">prediction$response[<span class=\"code-snippet__number\">1<\/span>:<span class=\"code-snippet__number\">2<\/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=\"0.5077720207253886\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/14_yC2Nn7wHHeD5WIfUFEbzZZRfnzsJHA.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEWVKqbIfRYiaWWRblYrmTSHZFP69vichguPpeJVibEOhpGxxSMyC2Nn7wHHeD5WIfUFEbzZZRfnzsJHA\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"386\" 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=\"0.17279411764705882\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/15_a443nWF0bicaPdIx6vmibgXajh6A7Q.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEWVKqbIfRYiaWWRblYrmTSHZbQaXsA9FNb5wRjibkeyC9pe2Ghsia443nWF0bicaPdIx6vmibgXajh6A7Q\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"272\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\"><\/section>\n<\/section>\n<section style=\"text-align: left;justify-content: flex-start;display: flex;flex-flow: row;margin-bottom: 10px;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 100%;vertical-align: top;align-self: flex-start;flex: 0 0 auto;background-color: rgb(248, 249, 253);padding: 26px;\">\n<section style=\"margin-bottom: 10px;\" powered-by=\"xiumi.us\">\n<section style=\"text-align: justify;letter-spacing: 0.5px;\">\n<p style=\"margin-bottom: 12px;text-wrap: wrap;\">prediction = lrn_rpart$predict(tsk_mtcars, row_ids = splits$test)\uff1a\u4f7f\u7528 lrn_rpart \u5b66\u4e60\u5668\u7684 predict() \u65b9\u6cd5\u6765\u5728\u6d4b\u8bd5\u96c6\u4e0a\u8fdb\u884c\u9884\u6d4b\u3002tsk_mtcars \u662f\u6211\u4eec\u521b\u5efa\u7684\u56de\u5f52\u4efb\u52a1\u5bf9\u8c61\uff0crow_ids = splits$test \u6307\u5b9a\u4e86\u5728\u6d4b\u8bd5\u96c6\u4e0a\u8fdb\u884c\u9884\u6d4b\u3002<\/p>\n<p style=\"margin-bottom: 12px;text-wrap: wrap;\">prediction\uff1a\u8fd9\u884c\u4ee3\u7801\u6253\u5370\u4e86\u9884\u6d4b\u7684\u7ed3\u679c\u3002\u8fd9\u5c06\u662f\u4e00\u4e2a\u5305\u542b\u9884\u6d4b\u8f93\u51fa\u7684\u5bf9\u8c61\uff0c\u5176\u4e2d\u5305\u62ec\u4e00\u4e9b\u4e0e\u9884\u6d4b\u76f8\u5173\u7684\u4fe1\u606f\uff0c\u4f8b\u5982\u6bcf\u4e2a\u6837\u672c\u7684\u9884\u6d4b\u503c\u3002<\/p>\n<p style=\"margin-bottom: 12px;text-wrap: wrap;\">prediction$response[1:2]\uff1a\u8fd9\u884c\u4ee3\u7801\u901a\u8fc7\u6837\u672cID\uff08\u884cID\uff09\u7684\u7d22\u5f15\uff0c\u5c55\u793a\u4e86\u9884\u6d4b\u7ed3\u679c\u4e2d\u524d\u4e24\u4e2a\u6837\u672c\u7684\u9884\u6d4b\u54cd\u5e94\uff08\u9884\u6d4b\u503c\uff09\u3002\u8fd9\u6837\u53ef\u4ee5\u67e5\u770b\u6d4b\u8bd5\u96c6\u4e2d\u7684\u524d\u4e24\u4e2a\u6837\u672c\u5728\u6a21\u578b\u4e0a\u7684\u9884\u6d4b\u7ed3\u679c\u3002<\/p>\n<p><br \/><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"text-align: left;justify-content: flex-start;display: flex;flex-flow: row;margin-bottom: 10px;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 100%;vertical-align: top;align-self: flex-start;flex: 0 0 auto;background-color: rgb(248, 249, 253);padding: 26px;\">\n<section style=\"margin-bottom: 10px;\" powered-by=\"xiumi.us\">\n<section style=\"text-align: justify;letter-spacing: 0.5px;\">\n<p>\u540c\u6837\u53ef\u4ee5\u901a\u8fc7\u53ef\u89c6\u5316\u66f4\u4e3a\u76f4\u89c2\u5730\u7ed9\u51fa\u6a21\u578b\u7684\u9884\u6d4b\uff0cmlr3viz \u5305\u4e3aprediction\u5bf9\u8c61\u63d0\u4f9b\u4e86\u4e00\u4e2a autoplot\uff08\uff09 \u65b9\u6cd5\uff0c\u7ed9\u51fa\u9884\u6d4b\u503c\u548c\u771f\u5b9e\u503c\u7684\u6bd4\u8f83\uff0c\u540c\u65f6\u8fd8\u4f1a\u7ed9\u51fa\u9884\u6d4b\u503c\u7684\u9884\u6d4b\u533a\u95f4\uff1a<\/p>\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<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"c\"><code><span class=\"code-snippet_outer\">#\u9884\u6d4b\u7ed3\u679c\u7684\u53ef\u89c6\u5316  <\/span><\/code><code><span class=\"code-snippet_outer\">library(mlr3viz)  <\/span><\/code><code><span class=\"code-snippet_outer\">prediction = lrn_rpart$predict(tsk_mtcars, splits$test)  <\/span><\/code><code><span class=\"code-snippet_outer\">autoplot(prediction)  <\/span><\/code><\/pre>\n<\/section>\n<p style=\"text-indent: 2em;margin-bottom: 24px;\" 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=\"0.993801652892562\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/16_hTp2n33gkvibgM5qpCXnUtd7jqUQSA.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEWVKqbIfRYiaWWRblYrmTSHZBhSxvx1X1OWr8TMZG7E3DIDnohTp2n33gkvibgM5qpCXnUtd7jqUQSA\/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: left;justify-content: flex-start;display: flex;flex-flow: row;margin-bottom: 10px;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 100%;vertical-align: top;align-self: flex-start;flex: 0 0 auto;background-color: rgb(248, 249, 253);padding: 26px;\">\n<section style=\"margin-bottom: 10px;\" powered-by=\"xiumi.us\">\n<section style=\"text-align: justify;letter-spacing: 0.5px;\">\n<p>\u4e0a\u9762\u7684\u4f8b\u5b50\uff0c\u5c0f\u5e08\u59b9\u4ee5\u4e00\u4e2atask\u4f5c\u4e3a\u4f20\u9012\u6765\u8fdb\u884c\u9884\u6d4b\u3002\u540c\u7406\uff0c\u53ef\u4ee5\u4f20\u9012R\u8bed\u8a00\u4e2d\u7684\u6570\u636e\u5bf9\u8c61\uff0c\u53ef\u4ee5\u901a\u8fc7$predict()data.frame$predict_newdata()<\/p>\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\">#\u4f20\u9012\u6570\u636e\u96c6\u8fdb\u884c\u9884\u6d4b  <\/span><\/code><code><span class=\"code-snippet_outer\">mtcars_new = data.frame(cyl = c(<span class=\"code-snippet__number\">5<\/span>, <span class=\"code-snippet__number\">6<\/span>), disp = c(<span class=\"code-snippet__number\">100<\/span>, <span class=\"code-snippet__number\">120<\/span>),  <\/span><\/code><code><span class=\"code-snippet_outer\">                        hp = c(<span class=\"code-snippet__number\">100<\/span>, <span class=\"code-snippet__number\">150<\/span>), drat = c(<span class=\"code-snippet__number\">4<\/span>, <span class=\"code-snippet__number\">3.9<\/span>), wt = c(<span class=\"code-snippet__number\">3.8<\/span>, <span class=\"code-snippet__number\">4.1<\/span>),  <\/span><\/code><code><span class=\"code-snippet_outer\">                        qsec = c(<span class=\"code-snippet__number\">18<\/span>, <span class=\"code-snippet__number\">19.5<\/span>), vs = c(<span class=\"code-snippet__number\">1<\/span>, <span class=\"code-snippet__number\">0<\/span>), am = c(<span class=\"code-snippet__number\">1<\/span>, <span class=\"code-snippet__number\">1<\/span>),  <\/span><\/code><code><span class=\"code-snippet_outer\">                        gear = c(<span class=\"code-snippet__number\">6<\/span>, <span class=\"code-snippet__number\">4<\/span>), carb = c(<span class=\"code-snippet__number\">3<\/span>, <span class=\"code-snippet__number\">5<\/span>))  <\/span><\/code><code><span class=\"code-snippet_outer\">prediction = lrn_rpart$predict_newdata(mtcars_new)  <\/span><\/code><code><span class=\"code-snippet_outer\">prediction  <\/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=\"0.25474254742547425\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/17_pCNWCjhq1ibr7hiauRxiaNJoAiaz1Q.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEWVKqbIfRYiaWWRblYrmTSHZNaVjzFv0UqnTDYrV8e1S9xBVao08pCNWCjhq1ibr7hiauRxiaNJoAiaz1Q\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"369\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\"><\/section>\n<\/section>\n<section style=\"text-align: left;justify-content: flex-start;display: flex;flex-flow: row;margin-bottom: 10px;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 100%;vertical-align: top;align-self: flex-start;flex: 0 0 auto;background-color: rgb(248, 249, 253);padding: 26px;\">\n<section style=\"margin-bottom: 10px;\" powered-by=\"xiumi.us\">\n<section style=\"text-align: justify;letter-spacing: 0.5px;\">\n<p>\u901a\u5e38\u7684\u9884\u6d4b\u7c7b\u578b\u662f\u9884\u6d4b\u53d8\u91cf\u5206\u5e03\u7684\u5747\u503c\uff0c\u4e5f\u53ef\u4ee5\u6307\u5b9a\u9884\u6d4b\u53d8\u91cf\u7684\u6807\u51c6\u8bef\u5dee\u3002\u5982\u679c\u60f3\u8981\u9884\u6d4b\u53d8\u91cf\u7684\u6807\u51c6\u8bef\uff0c\u9700\u8981\u5728\u8bad\u7ec3\u4e4b\u524d\u5373\u9009\u62e9\u65b9\u6cd5\u7684\u65f6\u5019\u5c31\u5c06\u9884\u6d4b\u7c7b\u578b\u6307\u5b9a\uff1a<\/p>\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\">#\u9884\u6d4b\u6807\u51c6\u8bef  <\/span><\/code><code><span class=\"code-snippet_outer\">library(mlr3learners)  <\/span><\/code><code><span class=\"code-snippet_outer\">lrn_lm = lrn(<span class=\"code-snippet__string\">\"regr.lm\"<\/span>, predict_type = <span class=\"code-snippet__string\">\"se\"<\/span>)  <\/span><\/code><code><span class=\"code-snippet_outer\">lrn_lm$train(tsk_mtcars, splits$train)  <\/span><\/code><code><span class=\"code-snippet_outer\">lrn_lm$predict(tsk_mtcars, splits$test)<\/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=\"0.47002398081534774\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/18_lCstYiaQLbMvhkkFB8M9SCXLgN4QdQ.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEWVKqbIfRYiaWWRblYrmTSHZGOMU0vPSb1JC6o0PiagW9dsIVClCstYiaQLbMvhkkFB8M9SCXLgN4QdQ\/640?wx_fmt=png'\" data-type=\"png\" data-w=\"417\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\"><\/section>\n<\/section>\n<p style=\"text-indent: 2em;margin-bottom: 24px;\" powered-by=\"xiumi.us\"><br \/><\/p>\n<section style=\"text-align: left;justify-content: flex-start;display: flex;flex-flow: row;margin-top: 10px;margin-bottom: 10px;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 100%;vertical-align: top;align-self: flex-start;flex: 0 0 auto;background-color: rgb(248, 249, 253);padding: 19px;\">\n<section style=\"transform: perspective(0px);transform-style: flat;\" powered-by=\"xiumi.us\">\n<section style=\"text-align: center;margin-top: 10px;margin-bottom: 10px;line-height: 0;transform: rotateY(180deg);\">\n<section style=\"vertical-align: middle;display: inline-block;line-height: 0;width: 30.898px;height: auto;\"><img decoding=\"async\" data-ratio=\"1.0355731225296443\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/1_y5fbibjfWr4yqZOibMicuGPwDSlffw.png?w=640\" onerror=\"this.src='\u56fe\u7247\/\u751f\u4fe1\u679c_2023-09-01_\u300c\u8f6c\u300dmlr3\u4e2d\u7684\u673a\u5668\u5b66\u4e60--\u8fdb\u5165\u751f\u7269\u4fe1\u606f\u5b66\u65b0\u65f6\u4ee3(2)\/7_y5fbibjfWr4yqZOibMicuGPwDSlffw.png\" onerror=\"this.src='\u56fe\u7247\/\u751f\u4fe1\u679c_2023-09-01_\u300c\u8f6c\u300dmlr3\u4e2d\u7684\u673a\u5668\u5b66\u4e60--\u8fdb\u5165\u751f\u7269\u4fe1\u606f\u5b66\u65b0\u65f6\u4ee3(2)\/10_y5fbibjfWr4yqZOibMicuGPwDSlffw.png\" onerror=\"this.src='\u56fe\u7247\/\u751f\u4fe1\u679c_2023-09-01_\u300c\u8f6c\u300dmlr3\u4e2d\u7684\u673a\u5668\u5b66\u4e60--\u8fdb\u5165\u751f\u7269\u4fe1\u606f\u5b66\u65b0\u65f6\u4ee3(2)\/13_y5fbibjfWr4yqZOibMicuGPwDSlffw.png\" onerror=\"this.src='\u56fe\u7247\/\u751f\u4fe1\u679c_2023-09-01_\u300c\u8f6c\u300dmlr3\u4e2d\u7684\u673a\u5668\u5b66\u4e60--\u8fdb\u5165\u751f\u7269\u4fe1\u606f\u5b66\u65b0\u65f6\u4ee3(2)\/19_y5fbibjfWr4yqZOibMicuGPwDSlffw.png\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/oCSOtP61aEWVKqbIfRYiaWWRblYrmTSHZ5cdbxRg163Or5TjWNibJbSPZl0rWy5fbibjfWr4yqZOibMicuGPwDSlffw\/640?wx_fmt=png'''''\" data-type=\"png\" data-w=\"253\" style=\"vertical-align: middle;width: 100%;\" data-recalc-dims=\"1\" \/><\/section>\n<\/section>\n<\/section>\n<section style=\"text-align: justify;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section style=\"text-align: center;\" powered-by=\"xiumi.us\">\n<section style=\"letter-spacing: 0.5px;\">\n<p style=\"text-indent: 2.0625em;\">\u5230\u8fd9\u91cc\uff0clearner\u65b9\u6cd5\u7684\u57fa\u672c\u5c5e\u6027\u548c\u6709\u5173\u64cd\u4f5c\u5c0f\u5e08\u59b9\u5c31\u5411\u5927\u5bb6\u8bb2\u5b8c\u4e86\uff0c\u4e0d\u77e5\u9053\u540c\u5b66\u4eec\u662f\u5426\u5b66\u4f1a\u4e86\u5462\uff0c\u5728\u5c0f\u5e08\u59b9\u7684\u966a\u4f34\u4e0b\uff0c\u76f8\u4fe1\u5c0f\u4f19\u4f34\u4eec\u5df2\u7ecf\u57fa\u672c\u638c\u63e1\u4e86mlr3\u4e2dlearner\u65b9\u6cd5\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u4f1a\u901a\u8fc7R\u8bed\u8a00\u7f16\u5199\u76f8\u5e94\u7684\u7a0b\u5e8f\uff0c\u5c0f\u5e08\u59b9\u8981\u548c\u5927\u5bb6\u8bf4\u518d\u89c1\u54af\uff0c\u4e00\u5b9a\u8981\u81ea\u5df1\u7ec3\u4e60\u4e00\u4e0b\u54e6\uff0c\u540c\u65f6\u5982\u679c\u5927\u5bb6\u60f3\u8981\u7ee7\u7eed\u4e86\u89e3\u66f4\u591a\u6709\u5173R\u8bed\u8a00\u5185\u5bb9\u53ef\u4ee5\u6301\u7eed\u5173\u6ce8\u5c0f\u5e08\u59b9\u54e6\uff5e\uff5e\u6216\u8005\u4e5f\u53ef\u4ee5\u5173\u6ce8\u6211\u4eec\u7684\u5b98\u7f51\u4e5f\u4f1a\u6301\u7eed\u66f4\u65b0\u7684\u54e6\uff5e 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