<\/title><br \/>\n<meta charset=\"utf-8\"><br \/>\n<meta name=\"viewport\" content=\"width=device-width,initial-scale=1.0,maximum-scale=1.0,user-scalable=0,viewport-fit=cover\"><\/p>\n<style>\n*{margin:0;padding:0}html{-ms-text-size-adjust:100%;-webkit-text-size-adjust:100%;line-height:1.6}img{z-index:999;position:relative;max-width:100%;margin:10px 0;}body{letter-spacing:.034em}h1,h2,h3,h4,h5,h6{font-weight:400;font-size:16px}a{color:#576b95;text-decoration:none;-webkit-tap-highlight-color:rgba(0,0,0,0)}td,th{word-wrap:break-word;padding:5px 10px;border:1px solid #DDD;}table{margin-bottom:10px;border-collapse:collapse;display:table;width:100%!important;}.appmsg_skin_default .rich_media_area_primary{background-color:#fff}.appmsg_skin_default .rich_media_area_primary .weui-loadmore_line .weui-loadmore__tips{background-color:#fff}.rich_media_area_primary{padding:20px 16px 12px;background-color:#fafafa}@media (max-width:375px){.rich_media_area_primary{padding:20px 60px 15px 60px}.rich_media_area_extra{padding:0 60px 21px 60px}}@media (min-width:1024px){.rich_media_area_primary_inner,.rich_media_area_extra_inner,body{max-width:677px;margin-left:auto;margin-right:auto}.rich_media_area_primary{padding-top:32px}}.rich_media{padding:20px;overflow:hidden;}.appmsg_skin_default .rich_media_area_primary{background-color:#fff}.appmsg_skin_default .rich_media_area_primary .weui-loadmore_line .weui-loadmore__tips{background-color:#fff}@media screen and (min-width:1024px){.rich_media_area_primary_inner,.rich_media_area_extra_inner{max-width:677px;margin-left:auto;margin-right:auto}.rich_media_area_primary{padding-top:32px}}.rich_media_content{overflow:hidden;color:#333;font-size:17px;word-wrap:break-word;-webkit-hyphens:auto;-ms-hyphens:auto;hyphens:auto;text-align:justify;position:relative;z-index:0}.rich_media_content *{max-width:100%!important;box-sizing:border-box!important;-webkit-box-sizing:border-box!important;word-wrap:break-word!important}.rich_media_content p{clear:both;min-height:1em}.rich_media_content em{font-style:italic}.rich_media_content fieldset{min-width:0}.rich_media_content .list-paddingleft-1,.rich_media_content .list-paddingleft-2,.rich_media_content .list-paddingleft-3{padding-left:2.2em}.rich_media_content .list-paddingleft-1 .list-paddingleft-2,.rich_media_content .list-paddingleft-2 .list-paddingleft-2,.rich_media_content .list-paddingleft-3 .list-paddingleft-2{padding-left:30px}.rich_media_content .list-paddingleft-1{padding-left:1.2em}.rich_media_content .list-paddingleft-3{padding-left:3.2em}.rich_media_content .code-snippet,.rich_media_content .code-snippet__fix{max-width:1000%!important}.rich_media_content .code-snippet *,.rich_media_content .code-snippet__fix *{max-width:1000%!important}.rich_media_title{font-size:22px;line-height:1.4;margin-bottom:13px;padding-bottom:13px;border-bottom:1px solid #e7e7eb;}@supports(-webkit-overflow-scrolling:touch){.rich_media_title{font-weight:700}}.rich_media_meta{display:inline-block;vertical-align:middle;padding:0 0 10px 0;font-size:15px;-webkit-tap-highlight-color:rgba(0,0,0,0)}.rich_media_meta.icon_appmsg_tag{margin-right:0px}.rich_media_meta.meta_tag_text{margin-right:0}.rich_media_meta_list em{font-style:normal}.rich_media_meta_text{color:#a5a5a5;}p{margin:0;}.msgBox{margin-top:20px;padding-top:20px;padding-left:50px;overflow:hidden;border-top:2px dashed #09a2ff;}.msg{padding-top:7px;clear:both;}.msgBody{float:right;width:100%;margin-left:55px;padding-bottom:15px;border-bottom:1px dashed #e0e0e0;}.userHeadImg{float:left;margin-left:-50px;}.userHeadImg img{width:40px;height:40px;margin-right:10px;border-radius:3px;}.userName{color:#888888;line-height:24px;font-size:14px;margin:5px 0 5px 0;height:24px;}.replyBody,.autherBody{color:#565656;font-size:15px;}.replyIcon{border-left:4px solid #33ab01;margin-right:5px;}.ad{text-decoration:none;color:#d6d4d4;font-size:12px;}.msgBodyReply{padding-top:5px;}.userName span{float:right;color:#afafaf;font-size:14px;}code{text-align:left;font-size:14px;display:block;white-space:pre;display:-webkit-box;display:-webkit-flex;display:flex;position:relative;}.code-snippet__fix{font-size:14px;margin:10px 0;display:block;color:#333;position:relative;background-color:rgba(0,0,0,0.03);border:1px solid #f0f0f0;border-radius:2px;display:-webkit-box;display:-webkit-flex;display:flex;padding-left:25px;line-height:26px}.code-snippet__fix code{text-align:left;font-size:14px;display:block;white-space:pre;display:-webkit-box;display:-webkit-flex;display:flex;position:relative;font-family:Consolas,\"Liberation Mono\",Menlo,Courier,monospace}.code-snippet__comment,.code-snippet__quote{color:#afafaf;font-style:italic}.code-snippet__keyword,.code-snippet__selector-tag,.code-snippet__subst{color:#ca7d37}.code-snippet__number,.code-snippet__literal,.code-snippet__variable,.code-snippet__template-variable,.code-snippet__tag .code-snippet__attr{color:#0e9ce5}.code-snippet__string,.code-snippet__doctag{color:#d14}.code-snippet__title,.code-snippet__section,.code-snippet__selector-id{color:#d14}.code-snippet__subst{font-weight:normal}.code-snippet__type,.code-snippet__class .code-snippet__title{color:#0e9ce5}.code-snippet__tag,.code-snippet__name,.code-snippet__attribute{color:#0e9ce5;font-weight:normal}.code-snippet__regexp,.code-snippet__link{color:#ca7d37}.code-snippet__symbol,.code-snippet__bullet{color:#d14}.code-snippet__built_in,.code-snippet__builtin-name{color:#ca7d37}.code-snippet__meta{color:#afafaf}.code-snippet__deletion{background:#fdd}.code-snippet__addition{background:#dfd}.code-snippet__emphasis{font-style:italic}.code-snippet__strong{font-weight:bold}.account_avatar{width:40px;height:40px;padding:0;}.account_info{display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-align:center;-webkit-align-items:center;padding:20px 0;align-items:center}.flex_bd{padding-left:14px;}.account_nickname{display:inline-block;vertical-align:middle;line-height:1.2;color:#576b95;font-size:14px}.account_desc{overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:1;color:rgba(0,0,0,0.3);font-size:14px;line-height:1.2;padding-top:.4em}.msg_source_url{text-align:left;word-break:break-all;margin-top:20px;}.msg_source_url a{padding-right:10px;}.msg_source_url .url_text{color:#a8a8a8;}.video-desc{font-size:14px;margin-top:15px;color:#6c6c6c;}.msg_source_url{text-align:left;}.original_primary_card_tips{color:rgba(0,0,0,0.3);line-height:1.4;font-size:15px;}.weui-flex__item{margin-bottom:20px;padding:20px 16px;margin-top:16px;line-height:1.4;align-items:center;background-color:#f7f7f7;border-radius:8px;position:relative;}.original_primary_desc{color:rgba(0,0,0,0.5);font-size:14px;padding-top:4px;width:auto;overflow:hidden;text-overflow:ellipsis;}.msgBodyReplyList{border-top:1px solid #e1e1e1;margin-top:10px;}.msgBodyReplyListTop{border-top:0;}.reply_like_num{float:right;font-size:14px;color:#c7c7c7;}.msgData{margin-top:20px;color:#626262;}.msgData span{font-size:14px;padding-right:15px;}.msgData .likes{float:right;padding-right:0;}.js_text_content p{font-size:18px;}.rich_media_meta_link{font-size:15px;}blockquote {padding-left: 10px;border-left: 3px solid #dbdbdb;color: rgba(0,0,0,0.5);font-size: 15px;padding-top: 4px;margin: 1em 0;}.video_iframe{width:500px;height:400px;}.blockquote_info{color:#b5b5b5;margin-top:10px;}#copyright_logo{color:#bdbdbd;}.rich_media_meta_list{margin-bottom:10px;}.reprint{background:#efefef;border-radius:5px;padding:8px;color:#1f1f1f;}.reprint a{word-break:break-all;}.topic{color:#8e8e8e;background:#f7f7f7;border-radius:5px;padding:10px 8px;}.topic a{padding-right:5px;}.topic p{margin-bottom:5px;}\n<\/style>\n<link href=\"https:\/\/www.juyifx.cn\/config\/css\/wxArticle.css\" rel=\"stylesheet\"\/>\n<\/head><script>\nvar data={\"mp\":\"\u751f\u4fe1\u679c\",\"title\":\"\u4e00\u7bc7\u5c31\u641e\u5b9a\uff01\u5cad\u56de\u5f52\u3001lasso\u3001\u5f39\u6027\u7f51\u7edc\u5982\u4f55\u7528\u4e8e\u75be\u75c5\u91cd\u8981\u7279\u5f81\u9009\u62e9\",\"time\":\"2023-07-30 19:01:38\",\"timeStamp\":\"1690714898\"};\n<\/script><br \/>\n<body><\/p>\n<div class=\"rich_media\">\n<h1 class=\"rich_media_title\" id=\"activity-name\"><a href=\"http:\/\/mp.weixin.qq.com\/s?__biz=Mzg3OTg3MjQyNg==&mid=2247490642&idx=2&sn=fa8100753663b36740d95c466ce01a5e&chksm=cf7c8c97f80b0581b4d715fa4b5ccf402215a70e67c1ebb805b193a400b2b55eb75b934a8a07#rd\" target=\"_blank\" rel=\"noopener\">\u4e00\u7bc7\u5c31\u641e\u5b9a\uff01\u5cad\u56de\u5f52\u3001lasso\u3001\u5f39\u6027\u7f51\u7edc\u5982\u4f55\u7528\u4e8e\u75be\u75c5\u91cd\u8981\u7279\u5f81\u9009\u62e9<\/a><\/h1>\n<div id=\"meta_content\" class=\"rich_media_meta_list\"><span class=\"rich_media_meta rich_media_meta_text\">\u5927\u6d77\u54e5 <\/span><span class=\"rich_media_meta rich_media_meta_nickname\" id=\"profileBt\"><a href=\"javascript:void(0);\" class=\"wx_tap_link js_wx_tap_highlight weui-wa-hotarea\" id=\"js_name\">\u751f\u4fe1\u679c <\/a><\/span><em id=\"publish_time\" class=\"rich_media_meta rich_media_meta_text\">2023-07-30 19:01:38<\/em><\/div>\n<p><content><\/p>\n<div class=\"reprint\">\n<p>\u8f6c\u81ea\u516c\u4f17\u53f7\uff1a\u751f\u4fe1\u6ee9<br \/><a href=\"http:\/\/mp.weixin.qq.com\/s?__biz=MzkzMzUwODcwMg==&mid=2247484043&idx=1&sn=4f7c2338c12155a9c8773d91ce810ebf\" target=\"_blank\" title=\"\u9605\u8bfb\u539f\u6587\" rel=\"noopener\">http:\/\/mp.weixin.qq.com\/s?__biz=MzkzMzUwODcwMg==&mid=2247484043&idx=1&sn=4f7c2338c12155a9c8773d91ce810ebf<\/a><\/p>\n<\/div>\n<section style=\"font-size: 16px;margin-bottom: 24px;\">\n<section style=\"text-align: left;justify-content: flex-start;margin: 25px 0% 10px;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: auto;vertical-align: top;background-color: rgb(245, 241, 224);min-width: 10%;flex: 0 0 auto;height: auto;align-self: flex-start;\">\n<section style=\"display: flex;flex-flow: row;margin: -9px 0% 5px;justify-content: flex-start;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;vertical-align: top;width: auto;flex: 0 0 0%;height: auto;line-height: 0;align-self: flex-start;border-width: 0px;margin-top: 5px;margin-left: 7px;\">\n<section style=\"text-align: center;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 2px;height: 10px;vertical-align: top;overflow: hidden;background-color: rgb(59, 149, 115);\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<\/section>\n<section style=\"text-align: center;margin: -6px 0% 4px;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 10px;height: 2px;vertical-align: top;overflow: hidden;background-color: rgb(59, 149, 115);\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<\/section>\n<\/section>\n<section style=\"display: inline-block;vertical-align: top;width: auto;flex: 0 0 0%;height: auto;line-height: 0;border-width: 0px;margin-left: 4px;\">\n<section style=\"text-align: center;margin-top: -4px;margin-right: 0%;margin-left: 0%;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 9px;height: 9px;vertical-align: top;overflow: hidden;border-width: 2px;border-radius: 47px;border-style: solid;border-color: rgb(59, 149, 115);\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<\/section>\n<\/section>\n<section style=\"display: inline-block;vertical-align: top;width: auto;min-width: 10%;flex: 0 0 auto;height: auto;\">\n<section style=\"margin-right: 0%;margin-left: 0%;text-align: center;transform: translate3d(-1px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"color: rgb(59, 149, 115);font-size: 19px;padding-right: 11px;padding-left: 11px;line-height: 1;text-align: justify;\">\n<p style=\"text-align: left;text-wrap: wrap;\"><strong>\u70b9\u51fb\u84dd\u5b57 \u5173\u6ce8\u6211\u4eec<\/strong><\/p>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"display: inline-block;vertical-align: top;width: auto;line-height: 0;flex: 0 0 0%;height: auto;\">\n<section style=\"text-align: center;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 16px;height: 12px;vertical-align: top;overflow: hidden;background-color: rgb(59, 149, 115);padding-right: 2px;padding-left: 2px;\">\n<section style=\"justify-content: center;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;vertical-align: top;width: 50%;align-self: flex-start;flex: 0 0 auto;\">\n<section style=\"margin-top: 4px;margin-right: 0%;margin-left: 0%;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 3px;height: 3px;vertical-align: top;overflow: hidden;border-width: 0px;border-radius: 155px;border-style: none;border-color: rgb(62, 62, 62);background-color: rgb(245, 245, 245);\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<\/section>\n<\/section>\n<section style=\"display: inline-block;vertical-align: top;width: 50%;align-self: flex-start;flex: 0 0 auto;\">\n<section style=\"margin-top: 4px;margin-right: 0%;margin-left: 0%;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 3px;height: 3px;vertical-align: top;overflow: hidden;border-width: 0px;border-radius: 155px;border-style: none;border-color: rgb(62, 62, 62);background-color: rgb(245, 245, 245);\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"text-align: center;transform: translate3d(3px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 0px;height: 0px;vertical-align: top;overflow: hidden;border-style: solid;border-width: 0px 0px 4px 4px;border-color: rgba(255, 255, 255, 0) rgba(255, 255, 255, 0) rgba(255, 255, 255, 0) rgb(59, 149, 115);\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"font-size: 14px;line-height: 1.8;letter-spacing: 2px;padding-right: 10px;padding-left: 10px;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<p>\u5927\u5bb6\u597d\uff0c\u6211\u8fd8\u662f\u90a3\u4e2a\u5927\u6d77\u54e5\uff0c\u4eca\u5929\u7684\u5b66\u4e60\u5185\u5bb9\u5927\u5bb6\u5e94\u8be5\u90fd\u542c\u8bf4\u8fc7\uff0c\u8d85\u8131\u4e8e\u7edf\u8ba1\u4e09\u5927\u56de\u5f52\u4e4b\u5916\u7684\u65b0\u5174\u56de\u5f52\u5bb6\u65cf\u2014\u2014\u5f39\u6027\u7f51\u7edc\u3002<\/p>\n<p><span style=\"color: rgb(59, 149, 115);\"><strong>\u54a6\uff1f\u6807\u9898\u5199\u7684\u4e0d\u662f\u4e09\u4e2a\u5417\uff1f\u600e\u4e48\u53ea\u4ecb\u7ecd\u4e00\u4e2a\uff1f<\/strong><\/span><\/p>\n<p>\u5176\u5b9e\u554a\uff0c\u5cad\u56de\u5f52\u548classo\u56de\u5f52\u90fd\u662f\u5c5e\u4e8e\u5f39\u6027\u7f51\u7edc\u56de\u5f52\u7684\uff0c\u8bf4\u767d\u4e86\uff0c\u5f39\u6027\u7f51\u7edc\u5c31\u662f\u5cad\u56de\u5f52\u548classo\u56de\u5f52\u7684\u6269\u5c55\uff0c\u5728\u635f\u5931\u51fd\u6570\u4e2d\u540c\u65f6\u4f7f\u7528L1\u6b63\u5219\u5316\uff08\u4e0eLasso\u7c7b\u4f3c\uff09\u548cL2\u6b63\u5219\u5316\uff08\u4e0e\u5cad\u56de\u5f52\u7c7b\u4f3c\uff09\u9879\uff0c\u5bf9\u5e94\u7684\u03bb1\u548c\u03bb2\u5c31\u662f\u4e24\u4e2a\u6b63\u5219\u5316\u7684\u53c2\u6570\uff0c\u5f53\u03bb1\u4e3a0\u65f6\uff0c\u5f39\u6027\u7f51\u7edc\u5c31\u53d8\u6210\u4e86\u5cad\u56de\u5f52\uff0c\u53cd\u4e4b\u5f53\u03bb2\u4e3a0\u65f6\uff0c\u5c31\u53d8\u6210\u4e86lasso\u56de\u5f52\uff0c\u800c\u5f39\u6027\u7f51\u7edc\u56de\u5f52\u5219\u662f\u5728\u03bb1\u548c\u03bb2\u540c\u65f6\u975e\u96f6\u65f6\uff0c\u7efc\u5408\u4e86L1\u548cL2\u6b63\u5219\u5316\u7684\u6548\u679c\u3002\u8fd9\u4e0b\u5c0f\u4f19\u4f34\u4eec\u660e\u767d\u4e86\u5427\uff01\u90a3\u4e48\u63a5\u4e0b\u6765\u5c31\u7528\u8fd9\u4e09\u79cd\u56de\u5f52\u6765\u5b9e\u6218\u4e00\u4e0b\u5427\uff01<\/p>\n<p><br \/><\/p>\n<p>\u4eca\u5929\u4f7f\u7528\u7684\u6570\u636e\u662f\u4e00\u4e2a\u5fc3\u810f\u75c5\u8c03\u67e5\u6570\u636e\uff0c\u5176\u5305\u542b14\u4e2a\u5c5e\u6027\uff0c\u5206\u522b\u4e3a\u60a3\u8005\u5e74\u9f84\u3001\u6027\u522b\u3001\u80f8\u75db\u7c7b\u578b\u7b49\uff0c\u76ee\u6807\u5c5e\u6027\u662ftarget\uff0c\u5305\u542b\u60a3\u75c51\u548c\u975e\u60a3\u75c50\u4e24\u79cd\u3002\u4eca\u5929\u6211\u4eec\u7684\u76ee\u7684\u4e0d\u662f\u9884\u6d4b\u6837\u672c\u662f\u5426\u60a3\u6709\u5fc3\u810f\u75c5\uff0c\u800c\u662f\u901a\u8fc7\u8fd9\u4e9b\u6570\u636e\u6765\u642d\u5efa\u4e09\u79cd\u56de\u5f52\u6a21\u578b\uff0c\u8fdb\u800c\u63d0\u53d6\u91cd\u8981\u7279\u5f81\u3002<\/p>\n<p><br \/><\/p>\n<p>\u8fd9\u65f6\u5019\u6709\u5c0f\u4f19\u4f34\u95ee\u4e86\uff0c\u4e3a\u4ec0\u4e48\u8981\u63d0\u53d6\u91cd\u8981\u7279\u5f81\uff0c\u76f4\u63a5\u5168\u90e8\u62ff\u6765\u8bad\u7ec3\u4e0d\u5c31\u597d\u4e86\u3002\u975e\u4e5f\u975e\u4e5f\uff01\u56de\u7b54\u4e4b\u524d\uff0c\u5927\u5bb6\u8981\u5148\u4e86\u89e3\u504f\u5dee\u548c\u65b9\u5dee\uff0c\u7b80\u5355\u6765\u8bf4\uff0c\u6a21\u578b\u4e2d\u7684\u9884\u6d4b\u56e0\u5b50\u8d8a\u591a\uff0c\u504f\u5dee\u5c31\u4f1a\u8d8a\u5927\uff0c\u8bad\u7ec3\u7684\u6548\u679c\u5c31\u4f1a\u8d8a\u597d\uff0c\u4f46\u90a3\u6837\u6700\u7ec8\u7ed3\u679c\u4f1a\u597d\u5417\uff1f\u7b54\u6848\u4e00\u5b9a\u662f\u4e0d\u4f1a\uff0c\u8fd9\u79cd\u4f4e\u504f\u5dee\u610f\u5473\u7740\u66f4\u9ad8\u7684\u65b9\u5dee\uff0c\u56e0\u6b64\u9884\u6d4b\u7684\u51c6\u786e\u7387\u5c31\u4f1a\u8f83\u5dee\u3002\u76f8\u53cd\u7684\u5982\u679c\u9884\u6d4b\u56e0\u5b50\u8f83\u5c11\u4e5f\u662f\u4e0d\u53ef\u4ee5\u7684\uff0c\u56e0\u4e3a\u5c31\u53ef\u80fd\u4f1a\u51fa\u73b0\u8f83\u9ad8\u7684\u504f\u5dee\uff0c\u4f8b\u5982\u4f60\u6709\u51e0\u5341\u4e2a\u53d8\u91cf\uff0c\u4f60\u53ea\u9009\u7528\u4e09\u4e2a\u53d8\u91cf\u4f5c\u4e3a\u9884\u6d4b\u56e0\u5b50\uff0c\u90a3\u8bad\u7ec3\u7684\u7ed3\u679c\u4e00\u5b9a\u4e0d\u662f\u5f88\u597d\uff0c\u5bfc\u81f4\u9884\u6d4b\u4e5f\u4e0d\u4f1a\u5f88\u597d\u3002\u6240\u4ee5\u6211\u4eec\u9700\u8981\u9009\u62e9\u8ba9\u4f60\u6446\u8131\u56f0\u5883\u7684\u6b63\u786e\u53d8\u91cf\uff0c\u90a3\u4e48\u6211\u4eec\u5c31\u9700\u8981\u638c\u63e1\u597d\u7684\u7279\u5f81\u9009\u62e9\u65b9\u6cd5\uff0c\u672c\u6b21\u5927\u6d77\u54e5\u5c06\u4f1a\u6559\u4f1a\u4f60\u4e09\u79cd\u65b9\u6cd5\uff0c\u5e76\u4e14\u6559\u4f60\u4ec0\u4e48\u60c5\u51b5\u9009\u62e9\u54ea\u79cd\u65b9\u6cd5\u3002\u8bdd\u4e0d\u591a\u8bf4\uff0c\u5f00\u59cb\u5427\uff01<\/p>\n<\/section>\n<section style=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__comment\">#\u9996\u5148\u5bfc\u5165\u9700\u8981\u7528\u5230\u7684R\u5305<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">library(readr)<\/span><\/code><code><span class=\"code-snippet_outer\">library(dplyr)<\/span><\/code><code><span class=\"code-snippet_outer\">library(ggplot2)<\/span><\/code><code><span class=\"code-snippet_outer\">library(GGally)<\/span><\/code><code><span class=\"code-snippet_outer\">library(caret)<\/span><\/code><code><span class=\"code-snippet_outer\">library(glmnet)<\/span><\/code><code><span class=\"code-snippet_outer\">library(plotmo)<\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__comment\">#\u8bfb\u53d6\u6570\u636e<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">data <- read.csv(<span class=\"code-snippet__string\">\"heart.csv\"<\/span>)<\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__comment\">#\u53bb\u9664\u4e00\u4e0b\u7a7a\u503c<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">df <- na.omit(data)<\/span><\/code><code><span class=\"code-snippet_outer\">head(df, <span class=\"code-snippet__number\">10<\/span>)<\/span><\/code><\/pre>\n<\/section>\n<section style=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section style=\"font-size: 14px;line-height: 1.8;letter-spacing: 2px;padding-right: 10px;padding-left: 10px;\" powered-by=\"xiumi.us\">\n<p>#\u770b\u4e00\u4e0b\u6570\u636e<\/p>\n<\/section>\n<section style=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section style=\"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=\"0.30185185185185187\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/1_PxsdmysXibEMLCA5JKbJXJiaDkxM4A.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/YHGRXkSxjSQibU0GicnNJLATaaGDDb3icrFADuE4D7ibUicmY5Qsr6LribJR2JADPxsdmysXibEMLCA5JKbJXJiaDkxM4A\/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=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section style=\"font-size: 14px;line-height: 1.8;letter-spacing: 2px;padding-right: 10px;padding-left: 10px;\" powered-by=\"xiumi.us\">\n<p>str(df)<\/p>\n<\/section>\n<section style=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section style=\"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=\"0.5175925925925926\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/2_icXrc8S9dhZvZRibDfgDibEMVRjQzA.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/YHGRXkSxjSQibU0GicnNJLATaaGDDb3icrF1mNYAaFuAAbwHgmHqtLuyK7cOlKicXrc8S9dhZvZRibDfgDibEMVRjQzA\/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=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__comment\">#\u53ef\u4ee5\u770b\u5230\u6709\u4e9b\u5b57\u6bb5\u4e0d\u7b26\u5408\u6211\u4eec\u7684\u9884\u671f\uff0c\u4f8b\u5982\u6027\u522b\u5e94\u8be5\u662f\u5206\u7c7b\u53d8\u91cf\uff0c\u4f46\u662f\u662fint\u7c7b\u578b\uff0c\u6240\u4ee5\u9700\u8981\u505a\u56e0\u5b50\u5316\u5904\u7406<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">df$sex <- as.factor(df$sex)<\/span><\/code><code><span class=\"code-snippet_outer\">df$cp <- as.factor(df$cp)<\/span><\/code><code><span class=\"code-snippet_outer\">df$fbs <- as.factor(df$fbs)<\/span><\/code><code><span class=\"code-snippet_outer\">df$restecg <- as.factor(df$restecg)<\/span><\/code><code><span class=\"code-snippet_outer\">df$exang <- as.factor(df$exang)<\/span><\/code><code><span class=\"code-snippet_outer\">df$slope <- as.factor(df$slope)<\/span><\/code><code><span class=\"code-snippet_outer\">df$ca <- as.factor(df$ca)<\/span><\/code><code><span class=\"code-snippet_outer\">df$thal <- as.factor(df$thal)<\/span><\/code><code><span class=\"code-snippet_outer\">df$target <- as.factor(df$target)<\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__comment\">#\u770b\u770b\u6570\u636e\u89c4\u6a21<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">summary(df\uff09<\/span><\/code><\/pre>\n<\/section>\n<section style=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section style=\"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=\"0.30833333333333335\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/3_TLJW3GVBwu1sVzo54hib4IeibdJiaQ.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/YHGRXkSxjSQibU0GicnNJLATaaGDDb3icrFZ55f8nIk3dc7dCjrJCoV1icrhn2gTLJW3GVBwu1sVzo54hib4IeibdJiaQ\/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=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section style=\"font-size: 14px;line-height: 1.8;letter-spacing: 2px;padding-right: 10px;padding-left: 10px;\" powered-by=\"xiumi.us\">\n<p>#\u53ef\u4ee5\u770b\u52301025\u540d\u60a3\u8005\u4e2d\u6709526\u540d\u60a3\u6709\u5fc3\u810f\u75c5\uff0c\u540c\u65f6\u60a3\u8005\u5e73\u5747\u5e74\u9f84\u4e3a54\u5c81\uff0c\u76f8\u5bf9\u5e74\u8f7b\uff0c\u8fd8\u53ef\u4ee5\u53d1\u73b0\u7537\u6027713\u540d\u5360\u5927\u591a\u6570\u3002<\/p>\n<p>#\u76f4\u63a5\u770b\u6570\u636e\u770b\u4e0d\u51fa\u592a\u591a\u6f5c\u5728\u7684\u5173\u7cfb\uff0c\u6240\u4ee5\u9700\u8981\u53ef\u89c6\u5316\u4e00\u4e0b<\/p>\n<p>#\u6211\u4eec\u5148\u770b\u770b\u5e74\u9f84\u548c\u7ed3\u679c\u7684\u5173\u7cfb<\/p>\n<\/section>\n<section style=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__comment\"># \u7bb1\u578b\u56fe<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">ggplot(df, aes(y = age, x = target, col = target)) +geom_boxplot() + theme_minimal()<\/span><\/code><\/pre>\n<\/section>\n<section style=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section style=\"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=\"1.0074074074074073\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/4_soBavasvZickpfgOuJxgsXrFNk7nCw.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/YHGRXkSxjSQibU0GicnNJLATaaGDDb3icrF2wFfJsubVKQ808l5DicLz2ibCWJsoBavasvZickpfgOuJxgsXrFNk7nCw\/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=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__comment\">#\u518d\u770b\u770b\u6027\u522b\u4ee5\u53ca\u5e74\u9f84\u4e0e\u7ed3\u679c\u7684\u533a\u522b<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">ggplot(df, aes(x = target, y = age, fill = sex, col = sex)) +geom_jitter() +theme_minimal()<\/span><\/code><\/pre>\n<\/section>\n<section style=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section style=\"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=\"0.9657407407407408\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/5_ib5JXQmibicwXjoe2NyPCCGxoLkWzQ.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/YHGRXkSxjSQibU0GicnNJLATaaGDDb3icrFUI74Zh5eMibXln0Rxuk6maJoJpYOib5JXQmibicwXjoe2NyPCCGxoLkWzQ\/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=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section style=\"font-size: 14px;line-height: 1.8;letter-spacing: 2px;padding-right: 10px;padding-left: 10px;\" powered-by=\"xiumi.us\">\n<p>#\u53ef\u4ee5\u770b\u5230\u5973\u602760\u5c81\u4ee5\u540e\u60a3\u75c5\u7684\u6570\u91cf\u8f83\u7537\u6027\u66f4\u591a<\/p>\n<p>#\u63a5\u4e0b\u6765\u8bd5\u8bd5\u4f7f\u7528\u56de\u5f52\u6765\u89c2\u5bdf\u91cd\u8981\u53d8\u91cf\u5427\uff01<\/p>\n<\/section>\n<section style=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section style=\"font-size: 14px;line-height: 1.8;letter-spacing: 2px;padding-right: 10px;padding-left: 10px;color: rgb(59, 149, 115);\" powered-by=\"xiumi.us\">\n<p><strong><br \/><\/strong><\/p>\n<p><strong>\u65b9\u5f0f\u4e00\uff1a\u5cad\u56de\u5f52<\/strong><\/p>\n<p><span style=\"color: rgb(62, 62, 62);\">#\u5cad\u56de\u5f52\u9700\u8981\u5728\u7ebf\u6027\u56de\u5f52\u7684\u57fa\u7840\u4e0a\u5f15\u5165L2\u6b63\u5219\u5316\uff0c\u5f53\u6b63\u5219\u5316\u7684lambda\u53c2\u6570\u8d8a\u5927\uff0c\u6a21\u578b\u7684\u53c2\u6570\u4f30\u8ba1\u5c31\u8d8a\u5c0f\uff0c\u4e00\u4e9b\u65e0\u5173\u53d8\u91cf\u7684\u7cfb\u6570\u5c31\u4f1a\u8d8b\u5411\u4e8e0\u3002<\/span><\/p>\n<\/section>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__comment\">#\u8bbe\u7f6e\u53c2\u6570<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">x <- model.matrix(target~., df)[,-<span class=\"code-snippet__number\">1<\/span>]<\/span><\/code><code><span class=\"code-snippet_outer\">y <- df$target<\/span><\/code><code><span class=\"code-snippet_outer\">fit.ridge <- glmnet(x, y, family = <span class=\"code-snippet__string\">\"binomial\"<\/span>, nfolds = <span class=\"code-snippet__number\">5<\/span>, alpha = <span class=\"code-snippet__number\">0<\/span>, standardize = <span class=\"code-snippet__literal\">TRUE<\/span>)<\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__comment\">#\u770b\u770b\u56de\u5f52\u7cfb\u6570\u7684\u53d8\u5316<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">plot_glmnet(fit.ridge, xvar = <span class=\"code-snippet__string\">\"rlambda\"<\/span>, label = <span class=\"code-snippet__number\">10<\/span>)<\/span><\/code><\/pre>\n<\/section>\n<section style=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section style=\"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=\"0.762962962962963\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/6_4X9MjSBHwibYgLibgSC1xUJkc4ZCVA.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/YHGRXkSxjSQibU0GicnNJLATaaGDDb3icrFkosgl5DQum8wWKmvicB6ctyicAicZ4X9MjSBHwibYgLibgSC1xUJkc4ZCVA\/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=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section style=\"font-size: 14px;line-height: 1.8;letter-spacing: 2px;padding-right: 10px;padding-left: 10px;color: rgb(62, 62, 62);\" powered-by=\"xiumi.us\">\n<p>\u53ef\u4ee5\u770b\u5230\u968f\u7740lambda\u7cfb\u6570\u7684\u53d8\u5c0f\uff0c\u4e0d\u540c\u53d8\u91cf\u7684\u7cfb\u6570\u4e5f\u5728\u6539\u53d8\uff0c\u53ef\u4ee5\u53d1\u73b0CA\u548cCP\u662f\u6700\u663e\u8457\u7684\u53d8\u91cf\uff0c\u7136\u540e\u6211\u4eec\u9700\u8981\u7528\u4ea4\u53c9\u9a8c\u8bc1\u786e\u5b9a\u6784\u5efa\u6700\u5c0f\u635f\u5931\u6a21\u578b\u6700\u5408\u9002\u7684lambda\u503c\u662f\u591a\u5c11\u3002<\/p>\n<\/section>\n<section style=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\">lam <- cv.glmnet(x, y, family = <span class=\"code-snippet__string\">\"binomial\"<\/span>, nfolds = <span class=\"code-snippet__number\">5<\/span>, alpha = <span class=\"code-snippet__number\">0<\/span>, standardize = <span class=\"code-snippet__literal\">TRUE<\/span>)<\/span><\/code><code><span class=\"code-snippet_outer\">plot(lam)<\/span><\/code><\/pre>\n<\/section>\n<section style=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section style=\"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=\"0.7379629629629629\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/7_zBGmEAX7LdDUicE7WQVVXAIhiahsjg.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/YHGRXkSxjSQibU0GicnNJLATaaGDDb3icrFKSwccicAfxvcr3q1xGKLt84cAHgzBGmEAX7LdDUicE7WQVVXAIhiahsjg\/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 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=\"r\"><code><span class=\"code-snippet_outer\">l.min <- lam$lambda.min %>% print()<\/span><\/code><\/pre>\n<\/section>\n<section style=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section style=\"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=\"0.14444444444444443\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/8_559CMyoQ4LfIzCb3ScknBibnpmFO5A.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/YHGRXkSxjSQibU0GicnNJLATaaGDDb3icrFPjaJIs7lrfOqZpIxu9csluksib559CMyoQ4LfIzCb3ScknBibnpmFO5A\/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=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section style=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section style=\"font-size: 14px;line-height: 1.8;letter-spacing: 2px;padding-right: 10px;padding-left: 10px;color: rgb(62, 62, 62);\" powered-by=\"xiumi.us\">\n<p>\u53ef\u4ee5\u770b\u5230lambda\u4e3a0.0259\u65f6\uff0c\u635f\u5931\u51fd\u6570\u6700\u5c0f\uff0c\u8fd9\u4e2a\u65f6\u5019\u642d\u5efa\u7684\u6a21\u578b\u5206\u7c7b\u51c6\u786e\u7387\u6700\u9ad8\u3002<\/p>\n<p><br \/><\/p>\n<p><strong><span style=\"color: rgb(59, 149, 115);\">\u65b9\u5f0f\u4e8c\uff1aLasso\u56de\u5f52<\/span><\/strong><\/p>\n<p>#lasso\u4e0e\u5cad\u56de\u5f52\u7684\u6700\u5927\u533a\u522b\u5728\u4e8e\uff0c\u8fd9\u91cc\u7cfb\u6570\u7684\u503c\u53ef\u80fd\u4f1a\u53d7\u5230L1\u6b63\u5219\u60e9\u7f5a\uff0c\u4ee5\u81f3\u4e8e\u5b83\u53ef\u4ee5\u4e3a\u96f6\uff0c\u6240\u4ee5lasso\u53ef\u4ee5\u5b9e\u73b0\u5254\u9664\u67d0\u4e9b\u65e0\u5173\u53d8\u91cf\u8fbe\u5230\u53d8\u91cf\u9009\u62e9\u7684\u6548\u679c\u3002<\/p>\n<\/section>\n<section style=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__comment\">#\u6784\u5efa\u6a21\u578b<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">fit.lasso <- glmnet(x, y, family = <span class=\"code-snippet__string\">\"binomial\"<\/span>, nfolds = <span class=\"code-snippet__number\">5<\/span>, alpha = <span class=\"code-snippet__number\">1<\/span>, standardize = <span class=\"code-snippet__literal\">TRUE<\/span>)<\/span><\/code><code><span class=\"code-snippet_outer\">plot_glmnet(fit.lasso)<\/span><\/code><\/pre>\n<\/section>\n<section style=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section style=\"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=\"0.7537037037037037\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/9_a26nahkialraeWicYOLS4rb5XEM7VQ.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/YHGRXkSxjSQibU0GicnNJLATaaGDDb3icrFhuJS6bbeibxmYakhX1ZdO6DvBtaia26nahkialraeWicYOLS4rb5XEM7VQ\/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=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section style=\"font-size: 14px;line-height: 1.8;letter-spacing: 2px;padding-right: 10px;padding-left: 10px;color: rgb(62, 62, 62);\" powered-by=\"xiumi.us\">\n<p>#\u5bf9\u6bd4\u5cad\u56de\u5f52\u7684\u7ed3\u679c\u56fe\u53ef\u4ee5\u53d1\u73b0\uff0c\u4e24\u8005\u5dee\u5f02\u76f8\u5f53\u663e\u8457\u3002\u56de\u5f52\u91cf\u7684\u91cd\u8981\u6027\u53ef\u80fd\u6ca1\u6709\u592a\u5927\u6539\u53d8\uff0c\u4f46\u7cfb\u6570\u7684\u503c\u6709\u5f88\u5927\u4e0d\u540c\uff0c\u5c24\u5176\u4f1a\u53d7\u5230\u66f4\u591a\u7684\u60e9\u7f5a\u3002lasso\u56de\u5f52\u663e\u793a\uff0cThat\u3001CA\u3001\u548cCP\u662f\u66f4\u91cd\u8981\u7684\u7279\u5f81\uff0c\u4e0e\u5cad\u56de\u5f52\u7ed3\u679c\u4e5f\u7c7b\u4f3c\u3002<\/p>\n<\/section>\n<section style=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__comment\">#\u6765\u770b\u770b\u6700\u4f18lambda\u503c\u662f\u591a\u5c11<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">lam_lasso <- cv.glmnet(x, y, family = <span class=\"code-snippet__string\">\"binomial\"<\/span>, nfolds = <span class=\"code-snippet__number\">5<\/span>, alpha = <span class=\"code-snippet__number\">1<\/span>, standardize = <span class=\"code-snippet__literal\">TRUE<\/span>)<\/span><\/code><code><span class=\"code-snippet_outer\">plot(lam_lasso)<\/span><\/code><\/pre>\n<\/section>\n<section style=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section style=\"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=\"0.7509259259259259\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/10_gx4J7nSxic6eCdibxsia5TmT3Bam9Q.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/YHGRXkSxjSQibU0GicnNJLATaaGDDb3icrFkOXzxJHJzow9GPEibsAlvK1YibY1mgx4J7nSxic6eCdibxsia5TmT3Bam9Q\/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=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\">print(lam_lasso$lambda.min)<\/span><\/code><\/pre>\n<\/section>\n<section style=\"font-size: 14px;line-height: 1.8;letter-spacing: 2px;padding-right: 10px;padding-left: 10px;color: rgb(62, 62, 62);\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<p><strong><span style=\"color: rgb(59, 149, 115);\">\u65b9\u5f0f\u4e09\uff1a\u5f39\u6027\u7f51\u7edc<\/span><\/strong><\/p>\n<p>#\u56de\u987e\u524d\u4e24\u79cd\u65b9\u6cd5\uff0classo\u7684\u7f3a\u9677\u5728\u4e8e\u60e9\u7f5a\u9879\u592a\u5927\uff0c\u800c\u5cad\u56de\u5f52\u7684\u6a21\u578b\u590d\u6742\u5ea6\u592a\u9ad8\uff0c\u5f39\u6027\u7f51\u7edc\u5219\u53ef\u4ee5\u901a\u8fc7\u8c03\u8282lambda1\u548clambda2\u8fd9\u4e24\u4e2a\u6b63\u5219\u5316\u53c2\u6570\uff0c\u63a7\u5236\u6a21\u578b\u7684\u590d\u6742\u5ea6\u548c\u7279\u5f81\u9009\u62e9\u7a0b\u5ea6\u3002<\/p>\n<\/section>\n<section style=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__comment\">#\u8bbe\u7f6e\u5f39\u6027\u7f51\u7edc\u53c2\u6570<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">set.seed(<span class=\"code-snippet__number\">123<\/span>)<\/span><\/code><code><span class=\"code-snippet_outer\">lambda <- seq(-<span class=\"code-snippet__number\">50<\/span>, <span class=\"code-snippet__number\">50<\/span>)<\/span><\/code><code><span class=\"code-snippet_outer\">alpha <- seq(-<span class=\"code-snippet__number\">10<\/span>, <span class=\"code-snippet__number\">10<\/span>, <span class=\"code-snippet__built_in\">length<\/span> = <span class=\"code-snippet__number\">20<\/span>)<\/span><\/code><code><span class=\"code-snippet_outer\">searchGrid = expand.grid(.alpha = alpha, .lambda = lambda)<\/span><\/code><code><span class=\"code-snippet_outer\">tc <- trainControl(method = <span class=\"code-snippet__string\">\"repeatedcv\"<\/span>,<\/span><\/code><code><span class=\"code-snippet_outer\"> number = <span class=\"code-snippet__number\">5<\/span>,<\/span><\/code><code><span class=\"code-snippet_outer\"> repeats = <span class=\"code-snippet__number\">3<\/span>)<\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__comment\">#\u8bad\u7ec3\u6a21\u578b<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">en.model <- train(target ~ .,<\/span><\/code><code><span class=\"code-snippet_outer\"> data = df,<\/span><\/code><code><span class=\"code-snippet_outer\"> method = <span class=\"code-snippet__string\">\"glmnet\"<\/span>,<\/span><\/code><code><span class=\"code-snippet_outer\"> tuneGrid = searchGrid,<\/span><\/code><code><span class=\"code-snippet_outer\"> metric = <span class=\"code-snippet__string\">\"Accuracy\"<\/span>,<\/span><\/code><code><span class=\"code-snippet_outer\"> trControl = tc)<\/span><\/code><code><span class=\"code-snippet_outer\">plot(en.model)<\/span><\/code><\/pre>\n<\/section>\n<section style=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section style=\"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=\"0.4777777777777778\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/11_EdqcsITWOlJGVdtWnSKGeiarlNpoYg.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/YHGRXkSxjSQibU0GicnNJLATaaGDDb3icrFSSl52nBYNq0CwmSK4UvVvQJhcEdqcsITWOlJGVdtWnSKGeiarlNpoYg\/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=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section style=\"font-size: 14px;line-height: 1.8;letter-spacing: 2px;padding-right: 10px;padding-left: 10px;color: rgb(62, 62, 62);\" powered-by=\"xiumi.us\">\n<p>\u53ef\u4ee5\u53d1\u73b0\u5f53lambda\u5927\u4e8e0\u65f6\uff0c\u60e9\u7f5a\u6027\u592a\u5927\uff0c\u4f1a\u5bfc\u81f4\u9884\u6d4b\u7cbe\u5ea6\u4e0b\u964d\u4e25\u91cd\uff0c\u6240\u4ee5\u6211\u4eec\u9700\u8981\u4fdd\u6301lambda\u4e25\u683c\u5c0f\u4e8e0\u3002\u540c\u65f6\u6211\u4eec\u53d1\u73b0alpha\u5728-10\u523010\u4e4b\u95f4\u7684\u53d8\u5316\u6ca1\u6709\u5f15\u8d77\u6a21\u578b\u9884\u6d4b\u8fdb\u5ea6\u53d8\u5316\uff0c\u7ed3\u5408lasso\u7684\u7ed3\u679c\u8bf4\u660e\uff0c\u662f\u7531\u53d8\u91cf\u76f8\u5173\u6027\u6240\u5bfc\u81f4\u7684\uff0c\u5355\u4e2a\u53d8\u91cf\u4e0e\u6570\u636e\u7ed3\u679c\u6ca1\u6709\u5f88\u5f3a\u7684\u76f8\u5173\u6027\u3002<\/p>\n<p><br \/><\/p>\n<\/section>\n<section style=\"display: flex;flex-flow: row;margin: 10px 0% 20px;text-align: left;justify-content: flex-start;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;vertical-align: top;width: auto;flex: 0 0 0%;height: auto;align-self: flex-start;line-height: 0;\">\n<section style=\"text-align: right;margin-right: 0%;margin-bottom: -20px;margin-left: 0%;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 8px;height: 20px;vertical-align: top;overflow: hidden;border-width: 0px;border-style: none;border-color: rgb(62, 62, 62);background-color: rgb(245, 241, 224);\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<\/section>\n<section style=\"text-align: center;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 16px;height: 20px;vertical-align: top;overflow: hidden;border-width: 0px;border-radius: 21px 21px 0px 0px;border-style: none;border-color: rgb(62, 62, 62);background-color: rgb(231, 215, 173);\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<\/section>\n<\/section>\n<section style=\"display: inline-block;vertical-align: top;width: auto;background-color: rgb(245, 241, 224);flex: 100 100 0%;align-self: flex-start;height: auto;border-right: 0px none rgb(62, 62, 62);border-top-right-radius: 12px;overflow: hidden;box-shadow: rgb(231, 215, 173) 0px 6px 0px;\">\n<section style=\"margin: 20px 0% 30px;\" powered-by=\"xiumi.us\">\n<section style=\"padding-right: 23px;padding-left: 23px;text-align: justify;font-size: 14px;letter-spacing: 1px;line-height: 1.8;\">\n<p>\u603b\u800c\u8a00\u4e4b\uff0c\u7279\u5f81\u9009\u62e9\u65b9\u6cd5\u6709\u591a\u79cd\uff0c\u4e3b\u8981\u53d6\u51b3\u4e8e\u5927\u5bb6\u7684\u6570\u636e\u4ee5\u53ca\u4f60\u60f3\u8981\u7528\u5b83\u505a\u4ec0\u4e48\u3002\u5728\u6570\u636e\u65b9\u5dee\u5f88\u5c0f\u7684\u60c5\u51b5\u4e0b\uff0c\u56de\u5f52\u5cad\u53ef\u4ee5\u7ed9\u51fa\u975e\u5e38\u4ee4\u4eba\u6ee1\u610f\u7684\u7ed3\u679c\u3002\u5982\u679c\u60a8\u60f3\u8981\u9009\u62e9\u53d8\u91cf\uff0classo\u56de\u5f52\u53ef\u4ee5\u6210\u4e3a\u4f60\u7684\u5173\u952e\u5de5\u5177\uff0c\u5e76\u5e2e\u52a9\u4f60\u8bc6\u522b\u771f\u6b63\u91cd\u8981\u7684\u53d8\u91cf\u3002\u800c\u5f39\u6027\u7f51\u7edc\u53ef\u80fd\u662f\u5728\u8bb8\u591a\u60c5\u51b5\u90fd\u80fd\u591f\u7ed9\u51fa\u4f60\u6700\u4f73\u7ed3\u679c\u7684\u65b9\u6cd5\uff0c\u4f46\u5b83\u4e0d\u4e00\u5b9a\u662f\u4f60\u6700\u4f18\u5148\u8003\u8651\u5230\u7684\u65b9\u6cd5\uff0c\u66f4\u91cd\u8981\u7684\u662f\u8981\u4f18\u5148\u5b66\u4f1a\u4f7f\u7528\u57fa\u672c\u7684\u65b9\u6cd5\u6765\u89c2\u5bdf\u6570\u636e\uff0c\u5c0f\u4f19\u4f34\u4eec\u4f60\u4eec\u89c9\u5f97\u5462\uff1f\uff08<strong><span style=\"color: rgb(59, 149, 115);\">\u6700\u540e\u63a8\u8350\u4e00\u4e0b\u5927\u6d77\u54e5\u65b0\u5f00\u53d1\u7684\u96f6\u4ee3\u7801\u4e91\u751f\u4fe1\u5206\u6790\u5de5\u5177\u5e73\u53f0\uff0c\u5305\u542b\u8d85\u591a\u96f6\u4ee3\u7801\u5c0f\u5de5\u5177\uff0c\u4e0a\u4f20\u6570\u636e\u4e00\u4ef6\u51fa\u56fe\uff0c\u611f\u5174\u8da3\u7684\u5c0f\u4f19\u4f34\u6b22\u8fce\u6765\u53c2\u89c2\u54df\uff0c\u7f51\u5740\uff1ahttp:\/\/www.biocloudservice.com\/home.html<\/span><\/strong>\uff09<\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<p powered-by=\"xiumi.us\"><br \/><\/p>\n<section style=\"border-bottom: 2px solid rgb(0, 150, 136);text-align: left;\" powered-by=\"xiumi.us\">\n<p>\u70b9\u51fb\u201c\u9605\u8bfb\u539f\u6587\u201d\u8fdb\u5165\u7f51\u5740<\/p>\n<\/section>\n<section style=\"margin-left: 8%;margin-right: 8%;line-height: 1.1em;\" powered-by=\"xiumi.us\">\n<section style=\"width: 0px;display: inline-block;vertical-align: top;border-top: 1em solid rgb(0, 150, 136);border-left: 0.8em solid transparent !important;border-right: 0.8em solid transparent !important;\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<\/section>\n<\/section>\n<p style=\"margin-bottom: 24px;\"><br \/><\/p>\n<p style=\"display: none;margin-bottom: 24px;\"><mp-style-type data-value=\"3\"><\/mp-style-type><\/p>\n<p><\/content>\n<\/div>\n<p><\/body><br \/>\n<\/html><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u7bc7\u5c31\u641e\u5b9a\uff01\u5cad\u56de\u5f52\u3001lasso\u3001\u5f39\u6027\u7f51\u7edc\u5982\u4f55\u7528\u4e8e\u75be\u75c5\u91cd\u8981\u7279\u5f81\u9009\u62e9 \u5927\u6d77\u54e5 \u751f\u4fe1\u679c&nbs […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":""},"categories":[1],"tags":[],"jetpack_featured_media_url":"","_links":{"self":[{"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/58778"}],"collection":[{"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=58778"}],"version-history":[{"count":1,"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/58778\/revisions"}],"predecessor-version":[{"id":58790,"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/58778\/revisions\/58790"}],"wp:attachment":[{"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=58778"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=58778"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=58778"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

{"id":58778,"date":"2024-06-16T23:35:45","date_gmt":"2024-06-16T15:35:45","guid":{"rendered":"http:\/\/www.biocloudservice.com\/wordpress\/?p=58778"},"modified":"2024-06-16T23:35:45","modified_gmt":"2024-06-16T15:35:45","slug":"%e4%b8%80%e7%af%87%e5%b0%b1%e6%90%9e%e5%ae%9a%ef%bc%81%e5%b2%ad%e5%9b%9e%e5%bd%92%e3%80%81lasso%e3%80%81%e5%bc%b9%e6%80%a7%e7%bd%91%e7%bb%9c%e5%a6%82%e4%bd%95%e7%94%a8%e4%ba%8e%e7%96%be%e7%97%85","status":"publish","type":"post","link":"http:\/\/www.biocloudservice.com\/wordpress\/?p=58778","title":{"rendered":"\u4e00\u7bc7\u5c31\u641e\u5b9a\uff01\u5cad\u56de\u5f52\u3001lasso\u3001\u5f39\u6027\u7f51\u7edc\u5982\u4f55\u7528\u4e8e\u75be\u75c5\u91cd\u8981\u7279\u5f81\u9009\u62e9"},"content":{"rendered":"

\n
\n<\/title><br \/>\n<meta charset=\"utf-8\"><br \/>\n<meta name=\"viewport\" content=\"width=device-width,initial-scale=1.0,maximum-scale=1.0,user-scalable=0,viewport-fit=cover\"><\/p>\n<style>\n*{margin:0;padding:0}html{-ms-text-size-adjust:100%;-webkit-text-size-adjust:100%;line-height:1.6}img{z-index:999;position:relative;max-width:100%;margin:10px 0;}body{letter-spacing:.034em}h1,h2,h3,h4,h5,h6{font-weight:400;font-size:16px}a{color:#576b95;text-decoration:none;-webkit-tap-highlight-color:rgba(0,0,0,0)}td,th{word-wrap:break-word;padding:5px 10px;border:1px solid #DDD;}table{margin-bottom:10px;border-collapse:collapse;display:table;width:100%!important;}.appmsg_skin_default .rich_media_area_primary{background-color:#fff}.appmsg_skin_default .rich_media_area_primary .weui-loadmore_line .weui-loadmore__tips{background-color:#fff}.rich_media_area_primary{padding:20px 16px 12px;background-color:#fafafa}@media (max-width:375px){.rich_media_area_primary{padding:20px 60px 15px 60px}.rich_media_area_extra{padding:0 60px 21px 60px}}@media (min-width:1024px){.rich_media_area_primary_inner,.rich_media_area_extra_inner,body{max-width:677px;margin-left:auto;margin-right:auto}.rich_media_area_primary{padding-top:32px}}.rich_media{padding:20px;overflow:hidden;}.appmsg_skin_default .rich_media_area_primary{background-color:#fff}.appmsg_skin_default .rich_media_area_primary .weui-loadmore_line .weui-loadmore__tips{background-color:#fff}@media screen and (min-width:1024px){.rich_media_area_primary_inner,.rich_media_area_extra_inner{max-width:677px;margin-left:auto;margin-right:auto}.rich_media_area_primary{padding-top:32px}}.rich_media_content{overflow:hidden;color:#333;font-size:17px;word-wrap:break-word;-webkit-hyphens:auto;-ms-hyphens:auto;hyphens:auto;text-align:justify;position:relative;z-index:0}.rich_media_content *{max-width:100%!important;box-sizing:border-box!important;-webkit-box-sizing:border-box!important;word-wrap:break-word!important}.rich_media_content p{clear:both;min-height:1em}.rich_media_content em{font-style:italic}.rich_media_content fieldset{min-width:0}.rich_media_content .list-paddingleft-1,.rich_media_content .list-paddingleft-2,.rich_media_content .list-paddingleft-3{padding-left:2.2em}.rich_media_content .list-paddingleft-1 .list-paddingleft-2,.rich_media_content .list-paddingleft-2 .list-paddingleft-2,.rich_media_content .list-paddingleft-3 .list-paddingleft-2{padding-left:30px}.rich_media_content .list-paddingleft-1{padding-left:1.2em}.rich_media_content .list-paddingleft-3{padding-left:3.2em}.rich_media_content .code-snippet,.rich_media_content .code-snippet__fix{max-width:1000%!important}.rich_media_content .code-snippet *,.rich_media_content .code-snippet__fix *{max-width:1000%!important}.rich_media_title{font-size:22px;line-height:1.4;margin-bottom:13px;padding-bottom:13px;border-bottom:1px solid #e7e7eb;}@supports(-webkit-overflow-scrolling:touch){.rich_media_title{font-weight:700}}.rich_media_meta{display:inline-block;vertical-align:middle;padding:0 0 10px 0;font-size:15px;-webkit-tap-highlight-color:rgba(0,0,0,0)}.rich_media_meta.icon_appmsg_tag{margin-right:0px}.rich_media_meta.meta_tag_text{margin-right:0}.rich_media_meta_list em{font-style:normal}.rich_media_meta_text{color:#a5a5a5;}p{margin:0;}.msgBox{margin-top:20px;padding-top:20px;padding-left:50px;overflow:hidden;border-top:2px dashed #09a2ff;}.msg{padding-top:7px;clear:both;}.msgBody{float:right;width:100%;margin-left:55px;padding-bottom:15px;border-bottom:1px dashed #e0e0e0;}.userHeadImg{float:left;margin-left:-50px;}.userHeadImg img{width:40px;height:40px;margin-right:10px;border-radius:3px;}.userName{color:#888888;line-height:24px;font-size:14px;margin:5px 0 5px 0;height:24px;}.replyBody,.autherBody{color:#565656;font-size:15px;}.replyIcon{border-left:4px solid #33ab01;margin-right:5px;}.ad{text-decoration:none;color:#d6d4d4;font-size:12px;}.msgBodyReply{padding-top:5px;}.userName span{float:right;color:#afafaf;font-size:14px;}code{text-align:left;font-size:14px;display:block;white-space:pre;display:-webkit-box;display:-webkit-flex;display:flex;position:relative;}.code-snippet__fix{font-size:14px;margin:10px 0;display:block;color:#333;position:relative;background-color:rgba(0,0,0,0.03);border:1px solid #f0f0f0;border-radius:2px;display:-webkit-box;display:-webkit-flex;display:flex;padding-left:25px;line-height:26px}.code-snippet__fix code{text-align:left;font-size:14px;display:block;white-space:pre;display:-webkit-box;display:-webkit-flex;display:flex;position:relative;font-family:Consolas,\"Liberation Mono\",Menlo,Courier,monospace}.code-snippet__comment,.code-snippet__quote{color:#afafaf;font-style:italic}.code-snippet__keyword,.code-snippet__selector-tag,.code-snippet__subst{color:#ca7d37}.code-snippet__number,.code-snippet__literal,.code-snippet__variable,.code-snippet__template-variable,.code-snippet__tag .code-snippet__attr{color:#0e9ce5}.code-snippet__string,.code-snippet__doctag{color:#d14}.code-snippet__title,.code-snippet__section,.code-snippet__selector-id{color:#d14}.code-snippet__subst{font-weight:normal}.code-snippet__type,.code-snippet__class .code-snippet__title{color:#0e9ce5}.code-snippet__tag,.code-snippet__name,.code-snippet__attribute{color:#0e9ce5;font-weight:normal}.code-snippet__regexp,.code-snippet__link{color:#ca7d37}.code-snippet__symbol,.code-snippet__bullet{color:#d14}.code-snippet__built_in,.code-snippet__builtin-name{color:#ca7d37}.code-snippet__meta{color:#afafaf}.code-snippet__deletion{background:#fdd}.code-snippet__addition{background:#dfd}.code-snippet__emphasis{font-style:italic}.code-snippet__strong{font-weight:bold}.account_avatar{width:40px;height:40px;padding:0;}.account_info{display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-align:center;-webkit-align-items:center;padding:20px 0;align-items:center}.flex_bd{padding-left:14px;}.account_nickname{display:inline-block;vertical-align:middle;line-height:1.2;color:#576b95;font-size:14px}.account_desc{overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:1;color:rgba(0,0,0,0.3);font-size:14px;line-height:1.2;padding-top:.4em}.msg_source_url{text-align:left;word-break:break-all;margin-top:20px;}.msg_source_url a{padding-right:10px;}.msg_source_url .url_text{color:#a8a8a8;}.video-desc{font-size:14px;margin-top:15px;color:#6c6c6c;}.msg_source_url{text-align:left;}.original_primary_card_tips{color:rgba(0,0,0,0.3);line-height:1.4;font-size:15px;}.weui-flex__item{margin-bottom:20px;padding:20px 16px;margin-top:16px;line-height:1.4;align-items:center;background-color:#f7f7f7;border-radius:8px;position:relative;}.original_primary_desc{color:rgba(0,0,0,0.5);font-size:14px;padding-top:4px;width:auto;overflow:hidden;text-overflow:ellipsis;}.msgBodyReplyList{border-top:1px solid #e1e1e1;margin-top:10px;}.msgBodyReplyListTop{border-top:0;}.reply_like_num{float:right;font-size:14px;color:#c7c7c7;}.msgData{margin-top:20px;color:#626262;}.msgData span{font-size:14px;padding-right:15px;}.msgData .likes{float:right;padding-right:0;}.js_text_content p{font-size:18px;}.rich_media_meta_link{font-size:15px;}blockquote {padding-left: 10px;border-left: 3px solid #dbdbdb;color: rgba(0,0,0,0.5);font-size: 15px;padding-top: 4px;margin: 1em 0;}.video_iframe{width:500px;height:400px;}.blockquote_info{color:#b5b5b5;margin-top:10px;}#copyright_logo{color:#bdbdbd;}.rich_media_meta_list{margin-bottom:10px;}.reprint{background:#efefef;border-radius:5px;padding:8px;color:#1f1f1f;}.reprint a{word-break:break-all;}.topic{color:#8e8e8e;background:#f7f7f7;border-radius:5px;padding:10px 8px;}.topic a{padding-right:5px;}.topic p{margin-bottom:5px;}\n<\/style>\n<link href=\"https:\/\/www.juyifx.cn\/config\/css\/wxArticle.css\" rel=\"stylesheet\"\/>\n<\/head><script>\nvar data={\"mp\":\"\u751f\u4fe1\u679c\",\"title\":\"\u4e00\u7bc7\u5c31\u641e\u5b9a\uff01\u5cad\u56de\u5f52\u3001lasso\u3001\u5f39\u6027\u7f51\u7edc\u5982\u4f55\u7528\u4e8e\u75be\u75c5\u91cd\u8981\u7279\u5f81\u9009\u62e9\",\"time\":\"2023-07-30 19:01:38\",\"timeStamp\":\"1690714898\"};\n<\/script><br \/>\n<body><\/p>\n<div class=\"rich_media\">\n<h1 class=\"rich_media_title\" id=\"activity-name\"><a href=\"http:\/\/mp.weixin.qq.com\/s?__biz=Mzg3OTg3MjQyNg==&mid=2247490642&idx=2&sn=fa8100753663b36740d95c466ce01a5e&chksm=cf7c8c97f80b0581b4d715fa4b5ccf402215a70e67c1ebb805b193a400b2b55eb75b934a8a07#rd\" target=\"_blank\" rel=\"noopener\">\u4e00\u7bc7\u5c31\u641e\u5b9a\uff01\u5cad\u56de\u5f52\u3001lasso\u3001\u5f39\u6027\u7f51\u7edc\u5982\u4f55\u7528\u4e8e\u75be\u75c5\u91cd\u8981\u7279\u5f81\u9009\u62e9<\/a><\/h1>\n<div id=\"meta_content\" class=\"rich_media_meta_list\"><span class=\"rich_media_meta rich_media_meta_text\">\u5927\u6d77\u54e5 <\/span><span class=\"rich_media_meta rich_media_meta_nickname\" id=\"profileBt\"><a href=\"javascript:void(0);\" class=\"wx_tap_link js_wx_tap_highlight weui-wa-hotarea\" id=\"js_name\">\u751f\u4fe1\u679c <\/a><\/span><em id=\"publish_time\" class=\"rich_media_meta rich_media_meta_text\">2023-07-30 19:01:38<\/em><\/div>\n<p><content><\/p>\n<div class=\"reprint\">\n<p>\u8f6c\u81ea\u516c\u4f17\u53f7\uff1a\u751f\u4fe1\u6ee9<br \/><a href=\"http:\/\/mp.weixin.qq.com\/s?__biz=MzkzMzUwODcwMg==&mid=2247484043&idx=1&sn=4f7c2338c12155a9c8773d91ce810ebf\" target=\"_blank\" title=\"\u9605\u8bfb\u539f\u6587\" rel=\"noopener\">http:\/\/mp.weixin.qq.com\/s?__biz=MzkzMzUwODcwMg==&mid=2247484043&idx=1&sn=4f7c2338c12155a9c8773d91ce810ebf<\/a><\/p>\n<\/div>\n<section style=\"font-size: 16px;margin-bottom: 24px;\">\n<section style=\"text-align: left;justify-content: flex-start;margin: 25px 0% 10px;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: auto;vertical-align: top;background-color: rgb(245, 241, 224);min-width: 10%;flex: 0 0 auto;height: auto;align-self: flex-start;\">\n<section style=\"display: flex;flex-flow: row;margin: -9px 0% 5px;justify-content: flex-start;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;vertical-align: top;width: auto;flex: 0 0 0%;height: auto;line-height: 0;align-self: flex-start;border-width: 0px;margin-top: 5px;margin-left: 7px;\">\n<section style=\"text-align: center;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 2px;height: 10px;vertical-align: top;overflow: hidden;background-color: rgb(59, 149, 115);\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<\/section>\n<section style=\"text-align: center;margin: -6px 0% 4px;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 10px;height: 2px;vertical-align: top;overflow: hidden;background-color: rgb(59, 149, 115);\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<\/section>\n<\/section>\n<section style=\"display: inline-block;vertical-align: top;width: auto;flex: 0 0 0%;height: auto;line-height: 0;border-width: 0px;margin-left: 4px;\">\n<section style=\"text-align: center;margin-top: -4px;margin-right: 0%;margin-left: 0%;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 9px;height: 9px;vertical-align: top;overflow: hidden;border-width: 2px;border-radius: 47px;border-style: solid;border-color: rgb(59, 149, 115);\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<\/section>\n<\/section>\n<section style=\"display: inline-block;vertical-align: top;width: auto;min-width: 10%;flex: 0 0 auto;height: auto;\">\n<section style=\"margin-right: 0%;margin-left: 0%;text-align: center;transform: translate3d(-1px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"color: rgb(59, 149, 115);font-size: 19px;padding-right: 11px;padding-left: 11px;line-height: 1;text-align: justify;\">\n<p style=\"text-align: left;text-wrap: wrap;\"><strong>\u70b9\u51fb\u84dd\u5b57 \u5173\u6ce8\u6211\u4eec<\/strong><\/p>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"display: inline-block;vertical-align: top;width: auto;line-height: 0;flex: 0 0 0%;height: auto;\">\n<section style=\"text-align: center;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 16px;height: 12px;vertical-align: top;overflow: hidden;background-color: rgb(59, 149, 115);padding-right: 2px;padding-left: 2px;\">\n<section style=\"justify-content: center;display: flex;flex-flow: row;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;vertical-align: top;width: 50%;align-self: flex-start;flex: 0 0 auto;\">\n<section style=\"margin-top: 4px;margin-right: 0%;margin-left: 0%;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 3px;height: 3px;vertical-align: top;overflow: hidden;border-width: 0px;border-radius: 155px;border-style: none;border-color: rgb(62, 62, 62);background-color: rgb(245, 245, 245);\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<\/section>\n<\/section>\n<section style=\"display: inline-block;vertical-align: top;width: 50%;align-self: flex-start;flex: 0 0 auto;\">\n<section style=\"margin-top: 4px;margin-right: 0%;margin-left: 0%;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 3px;height: 3px;vertical-align: top;overflow: hidden;border-width: 0px;border-radius: 155px;border-style: none;border-color: rgb(62, 62, 62);background-color: rgb(245, 245, 245);\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"text-align: center;transform: translate3d(3px, 0px, 0px);\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 0px;height: 0px;vertical-align: top;overflow: hidden;border-style: solid;border-width: 0px 0px 4px 4px;border-color: rgba(255, 255, 255, 0) rgba(255, 255, 255, 0) rgba(255, 255, 255, 0) rgb(59, 149, 115);\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<section style=\"font-size: 14px;line-height: 1.8;letter-spacing: 2px;padding-right: 10px;padding-left: 10px;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<p>\u5927\u5bb6\u597d\uff0c\u6211\u8fd8\u662f\u90a3\u4e2a\u5927\u6d77\u54e5\uff0c\u4eca\u5929\u7684\u5b66\u4e60\u5185\u5bb9\u5927\u5bb6\u5e94\u8be5\u90fd\u542c\u8bf4\u8fc7\uff0c\u8d85\u8131\u4e8e\u7edf\u8ba1\u4e09\u5927\u56de\u5f52\u4e4b\u5916\u7684\u65b0\u5174\u56de\u5f52\u5bb6\u65cf\u2014\u2014\u5f39\u6027\u7f51\u7edc\u3002<\/p>\n<p><span style=\"color: rgb(59, 149, 115);\"><strong>\u54a6\uff1f\u6807\u9898\u5199\u7684\u4e0d\u662f\u4e09\u4e2a\u5417\uff1f\u600e\u4e48\u53ea\u4ecb\u7ecd\u4e00\u4e2a\uff1f<\/strong><\/span><\/p>\n<p>\u5176\u5b9e\u554a\uff0c\u5cad\u56de\u5f52\u548classo\u56de\u5f52\u90fd\u662f\u5c5e\u4e8e\u5f39\u6027\u7f51\u7edc\u56de\u5f52\u7684\uff0c\u8bf4\u767d\u4e86\uff0c\u5f39\u6027\u7f51\u7edc\u5c31\u662f\u5cad\u56de\u5f52\u548classo\u56de\u5f52\u7684\u6269\u5c55\uff0c\u5728\u635f\u5931\u51fd\u6570\u4e2d\u540c\u65f6\u4f7f\u7528L1\u6b63\u5219\u5316\uff08\u4e0eLasso\u7c7b\u4f3c\uff09\u548cL2\u6b63\u5219\u5316\uff08\u4e0e\u5cad\u56de\u5f52\u7c7b\u4f3c\uff09\u9879\uff0c\u5bf9\u5e94\u7684\u03bb1\u548c\u03bb2\u5c31\u662f\u4e24\u4e2a\u6b63\u5219\u5316\u7684\u53c2\u6570\uff0c\u5f53\u03bb1\u4e3a0\u65f6\uff0c\u5f39\u6027\u7f51\u7edc\u5c31\u53d8\u6210\u4e86\u5cad\u56de\u5f52\uff0c\u53cd\u4e4b\u5f53\u03bb2\u4e3a0\u65f6\uff0c\u5c31\u53d8\u6210\u4e86lasso\u56de\u5f52\uff0c\u800c\u5f39\u6027\u7f51\u7edc\u56de\u5f52\u5219\u662f\u5728\u03bb1\u548c\u03bb2\u540c\u65f6\u975e\u96f6\u65f6\uff0c\u7efc\u5408\u4e86L1\u548cL2\u6b63\u5219\u5316\u7684\u6548\u679c\u3002\u8fd9\u4e0b\u5c0f\u4f19\u4f34\u4eec\u660e\u767d\u4e86\u5427\uff01\u90a3\u4e48\u63a5\u4e0b\u6765\u5c31\u7528\u8fd9\u4e09\u79cd\u56de\u5f52\u6765\u5b9e\u6218\u4e00\u4e0b\u5427\uff01<\/p>\n<p><br \/><\/p>\n<p>\u4eca\u5929\u4f7f\u7528\u7684\u6570\u636e\u662f\u4e00\u4e2a\u5fc3\u810f\u75c5\u8c03\u67e5\u6570\u636e\uff0c\u5176\u5305\u542b14\u4e2a\u5c5e\u6027\uff0c\u5206\u522b\u4e3a\u60a3\u8005\u5e74\u9f84\u3001\u6027\u522b\u3001\u80f8\u75db\u7c7b\u578b\u7b49\uff0c\u76ee\u6807\u5c5e\u6027\u662ftarget\uff0c\u5305\u542b\u60a3\u75c51\u548c\u975e\u60a3\u75c50\u4e24\u79cd\u3002\u4eca\u5929\u6211\u4eec\u7684\u76ee\u7684\u4e0d\u662f\u9884\u6d4b\u6837\u672c\u662f\u5426\u60a3\u6709\u5fc3\u810f\u75c5\uff0c\u800c\u662f\u901a\u8fc7\u8fd9\u4e9b\u6570\u636e\u6765\u642d\u5efa\u4e09\u79cd\u56de\u5f52\u6a21\u578b\uff0c\u8fdb\u800c\u63d0\u53d6\u91cd\u8981\u7279\u5f81\u3002<\/p>\n<p><br \/><\/p>\n<p>\u8fd9\u65f6\u5019\u6709\u5c0f\u4f19\u4f34\u95ee\u4e86\uff0c\u4e3a\u4ec0\u4e48\u8981\u63d0\u53d6\u91cd\u8981\u7279\u5f81\uff0c\u76f4\u63a5\u5168\u90e8\u62ff\u6765\u8bad\u7ec3\u4e0d\u5c31\u597d\u4e86\u3002\u975e\u4e5f\u975e\u4e5f\uff01\u56de\u7b54\u4e4b\u524d\uff0c\u5927\u5bb6\u8981\u5148\u4e86\u89e3\u504f\u5dee\u548c\u65b9\u5dee\uff0c\u7b80\u5355\u6765\u8bf4\uff0c\u6a21\u578b\u4e2d\u7684\u9884\u6d4b\u56e0\u5b50\u8d8a\u591a\uff0c\u504f\u5dee\u5c31\u4f1a\u8d8a\u5927\uff0c\u8bad\u7ec3\u7684\u6548\u679c\u5c31\u4f1a\u8d8a\u597d\uff0c\u4f46\u90a3\u6837\u6700\u7ec8\u7ed3\u679c\u4f1a\u597d\u5417\uff1f\u7b54\u6848\u4e00\u5b9a\u662f\u4e0d\u4f1a\uff0c\u8fd9\u79cd\u4f4e\u504f\u5dee\u610f\u5473\u7740\u66f4\u9ad8\u7684\u65b9\u5dee\uff0c\u56e0\u6b64\u9884\u6d4b\u7684\u51c6\u786e\u7387\u5c31\u4f1a\u8f83\u5dee\u3002\u76f8\u53cd\u7684\u5982\u679c\u9884\u6d4b\u56e0\u5b50\u8f83\u5c11\u4e5f\u662f\u4e0d\u53ef\u4ee5\u7684\uff0c\u56e0\u4e3a\u5c31\u53ef\u80fd\u4f1a\u51fa\u73b0\u8f83\u9ad8\u7684\u504f\u5dee\uff0c\u4f8b\u5982\u4f60\u6709\u51e0\u5341\u4e2a\u53d8\u91cf\uff0c\u4f60\u53ea\u9009\u7528\u4e09\u4e2a\u53d8\u91cf\u4f5c\u4e3a\u9884\u6d4b\u56e0\u5b50\uff0c\u90a3\u8bad\u7ec3\u7684\u7ed3\u679c\u4e00\u5b9a\u4e0d\u662f\u5f88\u597d\uff0c\u5bfc\u81f4\u9884\u6d4b\u4e5f\u4e0d\u4f1a\u5f88\u597d\u3002\u6240\u4ee5\u6211\u4eec\u9700\u8981\u9009\u62e9\u8ba9\u4f60\u6446\u8131\u56f0\u5883\u7684\u6b63\u786e\u53d8\u91cf\uff0c\u90a3\u4e48\u6211\u4eec\u5c31\u9700\u8981\u638c\u63e1\u597d\u7684\u7279\u5f81\u9009\u62e9\u65b9\u6cd5\uff0c\u672c\u6b21\u5927\u6d77\u54e5\u5c06\u4f1a\u6559\u4f1a\u4f60\u4e09\u79cd\u65b9\u6cd5\uff0c\u5e76\u4e14\u6559\u4f60\u4ec0\u4e48\u60c5\u51b5\u9009\u62e9\u54ea\u79cd\u65b9\u6cd5\u3002\u8bdd\u4e0d\u591a\u8bf4\uff0c\u5f00\u59cb\u5427\uff01<\/p>\n<\/section>\n<section style=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__comment\">#\u9996\u5148\u5bfc\u5165\u9700\u8981\u7528\u5230\u7684R\u5305<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">library(readr)<\/span><\/code><code><span class=\"code-snippet_outer\">library(dplyr)<\/span><\/code><code><span class=\"code-snippet_outer\">library(ggplot2)<\/span><\/code><code><span class=\"code-snippet_outer\">library(GGally)<\/span><\/code><code><span class=\"code-snippet_outer\">library(caret)<\/span><\/code><code><span class=\"code-snippet_outer\">library(glmnet)<\/span><\/code><code><span class=\"code-snippet_outer\">library(plotmo)<\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__comment\">#\u8bfb\u53d6\u6570\u636e<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">data <- read.csv(<span class=\"code-snippet__string\">\"heart.csv\"<\/span>)<\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__comment\">#\u53bb\u9664\u4e00\u4e0b\u7a7a\u503c<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">df <- na.omit(data)<\/span><\/code><code><span class=\"code-snippet_outer\">head(df, <span class=\"code-snippet__number\">10<\/span>)<\/span><\/code><\/pre>\n<\/section>\n<section style=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section style=\"font-size: 14px;line-height: 1.8;letter-spacing: 2px;padding-right: 10px;padding-left: 10px;\" powered-by=\"xiumi.us\">\n<p>#\u770b\u4e00\u4e0b\u6570\u636e<\/p>\n<\/section>\n<section style=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section style=\"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=\"0.30185185185185187\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/1_PxsdmysXibEMLCA5JKbJXJiaDkxM4A.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/YHGRXkSxjSQibU0GicnNJLATaaGDDb3icrFADuE4D7ibUicmY5Qsr6LribJR2JADPxsdmysXibEMLCA5JKbJXJiaDkxM4A\/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=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section style=\"font-size: 14px;line-height: 1.8;letter-spacing: 2px;padding-right: 10px;padding-left: 10px;\" powered-by=\"xiumi.us\">\n<p>str(df)<\/p>\n<\/section>\n<section style=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section style=\"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=\"0.5175925925925926\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/2_icXrc8S9dhZvZRibDfgDibEMVRjQzA.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/YHGRXkSxjSQibU0GicnNJLATaaGDDb3icrF1mNYAaFuAAbwHgmHqtLuyK7cOlKicXrc8S9dhZvZRibDfgDibEMVRjQzA\/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=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__comment\">#\u53ef\u4ee5\u770b\u5230\u6709\u4e9b\u5b57\u6bb5\u4e0d\u7b26\u5408\u6211\u4eec\u7684\u9884\u671f\uff0c\u4f8b\u5982\u6027\u522b\u5e94\u8be5\u662f\u5206\u7c7b\u53d8\u91cf\uff0c\u4f46\u662f\u662fint\u7c7b\u578b\uff0c\u6240\u4ee5\u9700\u8981\u505a\u56e0\u5b50\u5316\u5904\u7406<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">df$sex <- as.factor(df$sex)<\/span><\/code><code><span class=\"code-snippet_outer\">df$cp <- as.factor(df$cp)<\/span><\/code><code><span class=\"code-snippet_outer\">df$fbs <- as.factor(df$fbs)<\/span><\/code><code><span class=\"code-snippet_outer\">df$restecg <- as.factor(df$restecg)<\/span><\/code><code><span class=\"code-snippet_outer\">df$exang <- as.factor(df$exang)<\/span><\/code><code><span class=\"code-snippet_outer\">df$slope <- as.factor(df$slope)<\/span><\/code><code><span class=\"code-snippet_outer\">df$ca <- as.factor(df$ca)<\/span><\/code><code><span class=\"code-snippet_outer\">df$thal <- as.factor(df$thal)<\/span><\/code><code><span class=\"code-snippet_outer\">df$target <- as.factor(df$target)<\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__comment\">#\u770b\u770b\u6570\u636e\u89c4\u6a21<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">summary(df\uff09<\/span><\/code><\/pre>\n<\/section>\n<section style=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section style=\"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=\"0.30833333333333335\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/3_TLJW3GVBwu1sVzo54hib4IeibdJiaQ.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/YHGRXkSxjSQibU0GicnNJLATaaGDDb3icrFZ55f8nIk3dc7dCjrJCoV1icrhn2gTLJW3GVBwu1sVzo54hib4IeibdJiaQ\/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=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section style=\"font-size: 14px;line-height: 1.8;letter-spacing: 2px;padding-right: 10px;padding-left: 10px;\" powered-by=\"xiumi.us\">\n<p>#\u53ef\u4ee5\u770b\u52301025\u540d\u60a3\u8005\u4e2d\u6709526\u540d\u60a3\u6709\u5fc3\u810f\u75c5\uff0c\u540c\u65f6\u60a3\u8005\u5e73\u5747\u5e74\u9f84\u4e3a54\u5c81\uff0c\u76f8\u5bf9\u5e74\u8f7b\uff0c\u8fd8\u53ef\u4ee5\u53d1\u73b0\u7537\u6027713\u540d\u5360\u5927\u591a\u6570\u3002<\/p>\n<p>#\u76f4\u63a5\u770b\u6570\u636e\u770b\u4e0d\u51fa\u592a\u591a\u6f5c\u5728\u7684\u5173\u7cfb\uff0c\u6240\u4ee5\u9700\u8981\u53ef\u89c6\u5316\u4e00\u4e0b<\/p>\n<p>#\u6211\u4eec\u5148\u770b\u770b\u5e74\u9f84\u548c\u7ed3\u679c\u7684\u5173\u7cfb<\/p>\n<\/section>\n<section style=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__comment\"># \u7bb1\u578b\u56fe<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">ggplot(df, aes(y = age, x = target, col = target)) +geom_boxplot() + theme_minimal()<\/span><\/code><\/pre>\n<\/section>\n<section style=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section style=\"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=\"1.0074074074074073\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/4_soBavasvZickpfgOuJxgsXrFNk7nCw.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/YHGRXkSxjSQibU0GicnNJLATaaGDDb3icrF2wFfJsubVKQ808l5DicLz2ibCWJsoBavasvZickpfgOuJxgsXrFNk7nCw\/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=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__comment\">#\u518d\u770b\u770b\u6027\u522b\u4ee5\u53ca\u5e74\u9f84\u4e0e\u7ed3\u679c\u7684\u533a\u522b<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">ggplot(df, aes(x = target, y = age, fill = sex, col = sex)) +geom_jitter() +theme_minimal()<\/span><\/code><\/pre>\n<\/section>\n<section style=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section style=\"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=\"0.9657407407407408\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/5_ib5JXQmibicwXjoe2NyPCCGxoLkWzQ.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/YHGRXkSxjSQibU0GicnNJLATaaGDDb3icrFUI74Zh5eMibXln0Rxuk6maJoJpYOib5JXQmibicwXjoe2NyPCCGxoLkWzQ\/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=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section style=\"font-size: 14px;line-height: 1.8;letter-spacing: 2px;padding-right: 10px;padding-left: 10px;\" powered-by=\"xiumi.us\">\n<p>#\u53ef\u4ee5\u770b\u5230\u5973\u602760\u5c81\u4ee5\u540e\u60a3\u75c5\u7684\u6570\u91cf\u8f83\u7537\u6027\u66f4\u591a<\/p>\n<p>#\u63a5\u4e0b\u6765\u8bd5\u8bd5\u4f7f\u7528\u56de\u5f52\u6765\u89c2\u5bdf\u91cd\u8981\u53d8\u91cf\u5427\uff01<\/p>\n<\/section>\n<section style=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section style=\"font-size: 14px;line-height: 1.8;letter-spacing: 2px;padding-right: 10px;padding-left: 10px;color: rgb(59, 149, 115);\" powered-by=\"xiumi.us\">\n<p><strong><br \/><\/strong><\/p>\n<p><strong>\u65b9\u5f0f\u4e00\uff1a\u5cad\u56de\u5f52<\/strong><\/p>\n<p><span style=\"color: rgb(62, 62, 62);\">#\u5cad\u56de\u5f52\u9700\u8981\u5728\u7ebf\u6027\u56de\u5f52\u7684\u57fa\u7840\u4e0a\u5f15\u5165L2\u6b63\u5219\u5316\uff0c\u5f53\u6b63\u5219\u5316\u7684lambda\u53c2\u6570\u8d8a\u5927\uff0c\u6a21\u578b\u7684\u53c2\u6570\u4f30\u8ba1\u5c31\u8d8a\u5c0f\uff0c\u4e00\u4e9b\u65e0\u5173\u53d8\u91cf\u7684\u7cfb\u6570\u5c31\u4f1a\u8d8b\u5411\u4e8e0\u3002<\/span><\/p>\n<\/section>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__comment\">#\u8bbe\u7f6e\u53c2\u6570<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">x <- model.matrix(target~., df)[,-<span class=\"code-snippet__number\">1<\/span>]<\/span><\/code><code><span class=\"code-snippet_outer\">y <- df$target<\/span><\/code><code><span class=\"code-snippet_outer\">fit.ridge <- glmnet(x, y, family = <span class=\"code-snippet__string\">\"binomial\"<\/span>, nfolds = <span class=\"code-snippet__number\">5<\/span>, alpha = <span class=\"code-snippet__number\">0<\/span>, standardize = <span class=\"code-snippet__literal\">TRUE<\/span>)<\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__comment\">#\u770b\u770b\u56de\u5f52\u7cfb\u6570\u7684\u53d8\u5316<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">plot_glmnet(fit.ridge, xvar = <span class=\"code-snippet__string\">\"rlambda\"<\/span>, label = <span class=\"code-snippet__number\">10<\/span>)<\/span><\/code><\/pre>\n<\/section>\n<section style=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section style=\"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=\"0.762962962962963\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/6_4X9MjSBHwibYgLibgSC1xUJkc4ZCVA.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/YHGRXkSxjSQibU0GicnNJLATaaGDDb3icrFkosgl5DQum8wWKmvicB6ctyicAicZ4X9MjSBHwibYgLibgSC1xUJkc4ZCVA\/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=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section style=\"font-size: 14px;line-height: 1.8;letter-spacing: 2px;padding-right: 10px;padding-left: 10px;color: rgb(62, 62, 62);\" powered-by=\"xiumi.us\">\n<p>\u53ef\u4ee5\u770b\u5230\u968f\u7740lambda\u7cfb\u6570\u7684\u53d8\u5c0f\uff0c\u4e0d\u540c\u53d8\u91cf\u7684\u7cfb\u6570\u4e5f\u5728\u6539\u53d8\uff0c\u53ef\u4ee5\u53d1\u73b0CA\u548cCP\u662f\u6700\u663e\u8457\u7684\u53d8\u91cf\uff0c\u7136\u540e\u6211\u4eec\u9700\u8981\u7528\u4ea4\u53c9\u9a8c\u8bc1\u786e\u5b9a\u6784\u5efa\u6700\u5c0f\u635f\u5931\u6a21\u578b\u6700\u5408\u9002\u7684lambda\u503c\u662f\u591a\u5c11\u3002<\/p>\n<\/section>\n<section style=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\">lam <- cv.glmnet(x, y, family = <span class=\"code-snippet__string\">\"binomial\"<\/span>, nfolds = <span class=\"code-snippet__number\">5<\/span>, alpha = <span class=\"code-snippet__number\">0<\/span>, standardize = <span class=\"code-snippet__literal\">TRUE<\/span>)<\/span><\/code><code><span class=\"code-snippet_outer\">plot(lam)<\/span><\/code><\/pre>\n<\/section>\n<section style=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section style=\"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=\"0.7379629629629629\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/7_zBGmEAX7LdDUicE7WQVVXAIhiahsjg.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/YHGRXkSxjSQibU0GicnNJLATaaGDDb3icrFKSwccicAfxvcr3q1xGKLt84cAHgzBGmEAX7LdDUicE7WQVVXAIhiahsjg\/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 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=\"r\"><code><span class=\"code-snippet_outer\">l.min <- lam$lambda.min %>% print()<\/span><\/code><\/pre>\n<\/section>\n<section style=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section style=\"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=\"0.14444444444444443\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/8_559CMyoQ4LfIzCb3ScknBibnpmFO5A.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/YHGRXkSxjSQibU0GicnNJLATaaGDDb3icrFPjaJIs7lrfOqZpIxu9csluksib559CMyoQ4LfIzCb3ScknBibnpmFO5A\/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=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section style=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section style=\"font-size: 14px;line-height: 1.8;letter-spacing: 2px;padding-right: 10px;padding-left: 10px;color: rgb(62, 62, 62);\" powered-by=\"xiumi.us\">\n<p>\u53ef\u4ee5\u770b\u5230lambda\u4e3a0.0259\u65f6\uff0c\u635f\u5931\u51fd\u6570\u6700\u5c0f\uff0c\u8fd9\u4e2a\u65f6\u5019\u642d\u5efa\u7684\u6a21\u578b\u5206\u7c7b\u51c6\u786e\u7387\u6700\u9ad8\u3002<\/p>\n<p><br \/><\/p>\n<p><strong><span style=\"color: rgb(59, 149, 115);\">\u65b9\u5f0f\u4e8c\uff1aLasso\u56de\u5f52<\/span><\/strong><\/p>\n<p>#lasso\u4e0e\u5cad\u56de\u5f52\u7684\u6700\u5927\u533a\u522b\u5728\u4e8e\uff0c\u8fd9\u91cc\u7cfb\u6570\u7684\u503c\u53ef\u80fd\u4f1a\u53d7\u5230L1\u6b63\u5219\u60e9\u7f5a\uff0c\u4ee5\u81f3\u4e8e\u5b83\u53ef\u4ee5\u4e3a\u96f6\uff0c\u6240\u4ee5lasso\u53ef\u4ee5\u5b9e\u73b0\u5254\u9664\u67d0\u4e9b\u65e0\u5173\u53d8\u91cf\u8fbe\u5230\u53d8\u91cf\u9009\u62e9\u7684\u6548\u679c\u3002<\/p>\n<\/section>\n<section style=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__comment\">#\u6784\u5efa\u6a21\u578b<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">fit.lasso <- glmnet(x, y, family = <span class=\"code-snippet__string\">\"binomial\"<\/span>, nfolds = <span class=\"code-snippet__number\">5<\/span>, alpha = <span class=\"code-snippet__number\">1<\/span>, standardize = <span class=\"code-snippet__literal\">TRUE<\/span>)<\/span><\/code><code><span class=\"code-snippet_outer\">plot_glmnet(fit.lasso)<\/span><\/code><\/pre>\n<\/section>\n<section style=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section style=\"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=\"0.7537037037037037\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/9_a26nahkialraeWicYOLS4rb5XEM7VQ.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/YHGRXkSxjSQibU0GicnNJLATaaGDDb3icrFhuJS6bbeibxmYakhX1ZdO6DvBtaia26nahkialraeWicYOLS4rb5XEM7VQ\/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=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section style=\"font-size: 14px;line-height: 1.8;letter-spacing: 2px;padding-right: 10px;padding-left: 10px;color: rgb(62, 62, 62);\" powered-by=\"xiumi.us\">\n<p>#\u5bf9\u6bd4\u5cad\u56de\u5f52\u7684\u7ed3\u679c\u56fe\u53ef\u4ee5\u53d1\u73b0\uff0c\u4e24\u8005\u5dee\u5f02\u76f8\u5f53\u663e\u8457\u3002\u56de\u5f52\u91cf\u7684\u91cd\u8981\u6027\u53ef\u80fd\u6ca1\u6709\u592a\u5927\u6539\u53d8\uff0c\u4f46\u7cfb\u6570\u7684\u503c\u6709\u5f88\u5927\u4e0d\u540c\uff0c\u5c24\u5176\u4f1a\u53d7\u5230\u66f4\u591a\u7684\u60e9\u7f5a\u3002lasso\u56de\u5f52\u663e\u793a\uff0cThat\u3001CA\u3001\u548cCP\u662f\u66f4\u91cd\u8981\u7684\u7279\u5f81\uff0c\u4e0e\u5cad\u56de\u5f52\u7ed3\u679c\u4e5f\u7c7b\u4f3c\u3002<\/p>\n<\/section>\n<section style=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__comment\">#\u6765\u770b\u770b\u6700\u4f18lambda\u503c\u662f\u591a\u5c11<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">lam_lasso <- cv.glmnet(x, y, family = <span class=\"code-snippet__string\">\"binomial\"<\/span>, nfolds = <span class=\"code-snippet__number\">5<\/span>, alpha = <span class=\"code-snippet__number\">1<\/span>, standardize = <span class=\"code-snippet__literal\">TRUE<\/span>)<\/span><\/code><code><span class=\"code-snippet_outer\">plot(lam_lasso)<\/span><\/code><\/pre>\n<\/section>\n<section style=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section style=\"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=\"0.7509259259259259\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/10_gx4J7nSxic6eCdibxsia5TmT3Bam9Q.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/YHGRXkSxjSQibU0GicnNJLATaaGDDb3icrFkOXzxJHJzow9GPEibsAlvK1YibY1mgx4J7nSxic6eCdibxsia5TmT3Bam9Q\/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=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\">print(lam_lasso$lambda.min)<\/span><\/code><\/pre>\n<\/section>\n<section style=\"font-size: 14px;line-height: 1.8;letter-spacing: 2px;padding-right: 10px;padding-left: 10px;color: rgb(62, 62, 62);\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<p><strong><span style=\"color: rgb(59, 149, 115);\">\u65b9\u5f0f\u4e09\uff1a\u5f39\u6027\u7f51\u7edc<\/span><\/strong><\/p>\n<p>#\u56de\u987e\u524d\u4e24\u79cd\u65b9\u6cd5\uff0classo\u7684\u7f3a\u9677\u5728\u4e8e\u60e9\u7f5a\u9879\u592a\u5927\uff0c\u800c\u5cad\u56de\u5f52\u7684\u6a21\u578b\u590d\u6742\u5ea6\u592a\u9ad8\uff0c\u5f39\u6027\u7f51\u7edc\u5219\u53ef\u4ee5\u901a\u8fc7\u8c03\u8282lambda1\u548clambda2\u8fd9\u4e24\u4e2a\u6b63\u5219\u5316\u53c2\u6570\uff0c\u63a7\u5236\u6a21\u578b\u7684\u590d\u6742\u5ea6\u548c\u7279\u5f81\u9009\u62e9\u7a0b\u5ea6\u3002<\/p>\n<\/section>\n<section style=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section class=\"code-snippet__fix code-snippet__js\">\n<ul class=\"code-snippet__line-index code-snippet__js\">\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<li><\/li>\n<\/ul>\n<pre class=\"code-snippet__js\" data-lang=\"r\"><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__comment\">#\u8bbe\u7f6e\u5f39\u6027\u7f51\u7edc\u53c2\u6570<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">set.seed(<span class=\"code-snippet__number\">123<\/span>)<\/span><\/code><code><span class=\"code-snippet_outer\">lambda <- seq(-<span class=\"code-snippet__number\">50<\/span>, <span class=\"code-snippet__number\">50<\/span>)<\/span><\/code><code><span class=\"code-snippet_outer\">alpha <- seq(-<span class=\"code-snippet__number\">10<\/span>, <span class=\"code-snippet__number\">10<\/span>, <span class=\"code-snippet__built_in\">length<\/span> = <span class=\"code-snippet__number\">20<\/span>)<\/span><\/code><code><span class=\"code-snippet_outer\">searchGrid = expand.grid(.alpha = alpha, .lambda = lambda)<\/span><\/code><code><span class=\"code-snippet_outer\">tc <- trainControl(method = <span class=\"code-snippet__string\">\"repeatedcv\"<\/span>,<\/span><\/code><code><span class=\"code-snippet_outer\"> number = <span class=\"code-snippet__number\">5<\/span>,<\/span><\/code><code><span class=\"code-snippet_outer\"> repeats = <span class=\"code-snippet__number\">3<\/span>)<\/span><\/code><code><span class=\"code-snippet_outer\"><span class=\"code-snippet__comment\">#\u8bad\u7ec3\u6a21\u578b<\/span><\/span><\/code><code><span class=\"code-snippet_outer\">en.model <- train(target ~ .,<\/span><\/code><code><span class=\"code-snippet_outer\"> data = df,<\/span><\/code><code><span class=\"code-snippet_outer\"> method = <span class=\"code-snippet__string\">\"glmnet\"<\/span>,<\/span><\/code><code><span class=\"code-snippet_outer\"> tuneGrid = searchGrid,<\/span><\/code><code><span class=\"code-snippet_outer\"> metric = <span class=\"code-snippet__string\">\"Accuracy\"<\/span>,<\/span><\/code><code><span class=\"code-snippet_outer\"> trControl = tc)<\/span><\/code><code><span class=\"code-snippet_outer\">plot(en.model)<\/span><\/code><\/pre>\n<\/section>\n<section style=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section style=\"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=\"0.4777777777777778\" data-s=\"300,640\" src=\"https:\/\/i0.wp.com\/www.biocloudservice.com\/wordpress\/wp-content\/uploads\/2024\/06\/11_EdqcsITWOlJGVdtWnSKGeiarlNpoYg.png?w=640\" onerror=\"this.src='https:\/\/mmbiz.qpic.cn\/mmbiz_png\/YHGRXkSxjSQibU0GicnNJLATaaGDDb3icrFSSl52nBYNq0CwmSK4UvVvQJhcEdqcsITWOlJGVdtWnSKGeiarlNpoYg\/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=\"font-size: 12px;line-height: 0;\" powered-by=\"xiumi.us\">\n<p><br \/><\/p>\n<\/section>\n<section style=\"font-size: 14px;line-height: 1.8;letter-spacing: 2px;padding-right: 10px;padding-left: 10px;color: rgb(62, 62, 62);\" powered-by=\"xiumi.us\">\n<p>\u53ef\u4ee5\u53d1\u73b0\u5f53lambda\u5927\u4e8e0\u65f6\uff0c\u60e9\u7f5a\u6027\u592a\u5927\uff0c\u4f1a\u5bfc\u81f4\u9884\u6d4b\u7cbe\u5ea6\u4e0b\u964d\u4e25\u91cd\uff0c\u6240\u4ee5\u6211\u4eec\u9700\u8981\u4fdd\u6301lambda\u4e25\u683c\u5c0f\u4e8e0\u3002\u540c\u65f6\u6211\u4eec\u53d1\u73b0alpha\u5728-10\u523010\u4e4b\u95f4\u7684\u53d8\u5316\u6ca1\u6709\u5f15\u8d77\u6a21\u578b\u9884\u6d4b\u8fdb\u5ea6\u53d8\u5316\uff0c\u7ed3\u5408lasso\u7684\u7ed3\u679c\u8bf4\u660e\uff0c\u662f\u7531\u53d8\u91cf\u76f8\u5173\u6027\u6240\u5bfc\u81f4\u7684\uff0c\u5355\u4e2a\u53d8\u91cf\u4e0e\u6570\u636e\u7ed3\u679c\u6ca1\u6709\u5f88\u5f3a\u7684\u76f8\u5173\u6027\u3002<\/p>\n<p><br \/><\/p>\n<\/section>\n<section style=\"display: flex;flex-flow: row;margin: 10px 0% 20px;text-align: left;justify-content: flex-start;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;vertical-align: top;width: auto;flex: 0 0 0%;height: auto;align-self: flex-start;line-height: 0;\">\n<section style=\"text-align: right;margin-right: 0%;margin-bottom: -20px;margin-left: 0%;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 8px;height: 20px;vertical-align: top;overflow: hidden;border-width: 0px;border-style: none;border-color: rgb(62, 62, 62);background-color: rgb(245, 241, 224);\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<\/section>\n<section style=\"text-align: center;\" powered-by=\"xiumi.us\">\n<section style=\"display: inline-block;width: 16px;height: 20px;vertical-align: top;overflow: hidden;border-width: 0px;border-radius: 21px 21px 0px 0px;border-style: none;border-color: rgb(62, 62, 62);background-color: rgb(231, 215, 173);\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<\/section>\n<\/section>\n<section style=\"display: inline-block;vertical-align: top;width: auto;background-color: rgb(245, 241, 224);flex: 100 100 0%;align-self: flex-start;height: auto;border-right: 0px none rgb(62, 62, 62);border-top-right-radius: 12px;overflow: hidden;box-shadow: rgb(231, 215, 173) 0px 6px 0px;\">\n<section style=\"margin: 20px 0% 30px;\" powered-by=\"xiumi.us\">\n<section style=\"padding-right: 23px;padding-left: 23px;text-align: justify;font-size: 14px;letter-spacing: 1px;line-height: 1.8;\">\n<p>\u603b\u800c\u8a00\u4e4b\uff0c\u7279\u5f81\u9009\u62e9\u65b9\u6cd5\u6709\u591a\u79cd\uff0c\u4e3b\u8981\u53d6\u51b3\u4e8e\u5927\u5bb6\u7684\u6570\u636e\u4ee5\u53ca\u4f60\u60f3\u8981\u7528\u5b83\u505a\u4ec0\u4e48\u3002\u5728\u6570\u636e\u65b9\u5dee\u5f88\u5c0f\u7684\u60c5\u51b5\u4e0b\uff0c\u56de\u5f52\u5cad\u53ef\u4ee5\u7ed9\u51fa\u975e\u5e38\u4ee4\u4eba\u6ee1\u610f\u7684\u7ed3\u679c\u3002\u5982\u679c\u60a8\u60f3\u8981\u9009\u62e9\u53d8\u91cf\uff0classo\u56de\u5f52\u53ef\u4ee5\u6210\u4e3a\u4f60\u7684\u5173\u952e\u5de5\u5177\uff0c\u5e76\u5e2e\u52a9\u4f60\u8bc6\u522b\u771f\u6b63\u91cd\u8981\u7684\u53d8\u91cf\u3002\u800c\u5f39\u6027\u7f51\u7edc\u53ef\u80fd\u662f\u5728\u8bb8\u591a\u60c5\u51b5\u90fd\u80fd\u591f\u7ed9\u51fa\u4f60\u6700\u4f73\u7ed3\u679c\u7684\u65b9\u6cd5\uff0c\u4f46\u5b83\u4e0d\u4e00\u5b9a\u662f\u4f60\u6700\u4f18\u5148\u8003\u8651\u5230\u7684\u65b9\u6cd5\uff0c\u66f4\u91cd\u8981\u7684\u662f\u8981\u4f18\u5148\u5b66\u4f1a\u4f7f\u7528\u57fa\u672c\u7684\u65b9\u6cd5\u6765\u89c2\u5bdf\u6570\u636e\uff0c\u5c0f\u4f19\u4f34\u4eec\u4f60\u4eec\u89c9\u5f97\u5462\uff1f\uff08<strong><span style=\"color: rgb(59, 149, 115);\">\u6700\u540e\u63a8\u8350\u4e00\u4e0b\u5927\u6d77\u54e5\u65b0\u5f00\u53d1\u7684\u96f6\u4ee3\u7801\u4e91\u751f\u4fe1\u5206\u6790\u5de5\u5177\u5e73\u53f0\uff0c\u5305\u542b\u8d85\u591a\u96f6\u4ee3\u7801\u5c0f\u5de5\u5177\uff0c\u4e0a\u4f20\u6570\u636e\u4e00\u4ef6\u51fa\u56fe\uff0c\u611f\u5174\u8da3\u7684\u5c0f\u4f19\u4f34\u6b22\u8fce\u6765\u53c2\u89c2\u54df\uff0c\u7f51\u5740\uff1ahttp:\/\/www.biocloudservice.com\/home.html<\/span><\/strong>\uff09<\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n<p powered-by=\"xiumi.us\"><br \/><\/p>\n<section style=\"border-bottom: 2px solid rgb(0, 150, 136);text-align: left;\" powered-by=\"xiumi.us\">\n<p>\u70b9\u51fb\u201c\u9605\u8bfb\u539f\u6587\u201d\u8fdb\u5165\u7f51\u5740<\/p>\n<\/section>\n<section style=\"margin-left: 8%;margin-right: 8%;line-height: 1.1em;\" powered-by=\"xiumi.us\">\n<section style=\"width: 0px;display: inline-block;vertical-align: top;border-top: 1em solid rgb(0, 150, 136);border-left: 0.8em solid transparent !important;border-right: 0.8em solid transparent !important;\"><svg viewbox=\"0 0 1 1\" style=\"float:left;line-height:0;width:0;vertical-align:top;\"><\/svg><\/section>\n<\/section>\n<\/section>\n<p style=\"margin-bottom: 24px;\"><br \/><\/p>\n<p style=\"display: none;margin-bottom: 24px;\"><mp-style-type data-value=\"3\"><\/mp-style-type><\/p>\n<p><\/content>\n<\/div>\n<p><\/body><br \/>\n<\/html><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u7bc7\u5c31\u641e\u5b9a\uff01\u5cad\u56de\u5f52\u3001lasso\u3001\u5f39\u6027\u7f51\u7edc\u5982\u4f55\u7528\u4e8e\u75be\u75c5\u91cd\u8981\u7279\u5f81\u9009\u62e9 \u5927\u6d77\u54e5 \u751f\u4fe1\u679c&nbs […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":""},"categories":[1],"tags":[],"jetpack_featured_media_url":"","_links":{"self":[{"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/58778"}],"collection":[{"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=58778"}],"version-history":[{"count":1,"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/58778\/revisions"}],"predecessor-version":[{"id":58790,"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/58778\/revisions\/58790"}],"wp:attachment":[{"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=58778"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=58778"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.biocloudservice.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=58778"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}