{"id":2070,"date":"2024-06-05T15:11:01","date_gmt":"2024-06-05T07:11:01","guid":{"rendered":"https:\/\/17aitech.com\/?p=2070"},"modified":"2024-10-08T15:22:30","modified_gmt":"2024-10-08T07:22:30","slug":"%e3%80%90%e8%af%be%e7%a8%8b%e6%80%bb%e7%bb%93%e3%80%91day6%e4%b8%8a%ef%bc%9a%e6%9c%ba%e5%99%a8%e5%ad%a6%e4%b9%a0%e9%a1%b9%e7%9b%ae%e5%ae%9e%e6%88%98-%e5%a4%96%e5%8d%96%e7%82%b9%e8%af%84%e6%83%85","status":"publish","type":"post","link":"https:\/\/17aitech.com\/?p=2070","title":{"rendered":"\u3010\u8bfe\u7a0b\u603b\u7ed3\u3011Day6\uff08\u4e0a\uff09\uff1a\u673a\u5668\u5b66\u4e60\u9879\u76ee\u5b9e\u6218&#8211;\u5916\u5356\u70b9\u8bc4\u60c5\u611f\u5206\u6790\u9884\u6d4b"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_78 ez-toc-wrap-left-text counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u6587\u7ae0\u76ee\u5f55<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/17aitech.com\/?p=2070\/#%E6%9C%BA%E5%99%A8%E5%AD%A6%E4%B9%A0%E9%A1%B9%E7%9B%AE%E5%AE%9E%E6%88%98%EF%BC%9A%E5%A4%96%E5%8D%96%E7%82%B9%E8%AF%84%E6%83%85%E6%84%9F%E5%88%86%E6%9E%90%E9%A2%84%E6%B5%8B\" >\u673a\u5668\u5b66\u4e60\u9879\u76ee\u5b9e\u6218\uff1a\u5916\u5356\u70b9\u8bc4\u60c5\u611f\u5206\u6790\u9884\u6d4b<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/17aitech.com\/?p=2070\/#%E9%A1%B9%E7%9B%AE%E7%9B%AE%E7%9A%84\" >\u9879\u76ee\u76ee\u7684<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" 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ez-toc-heading-7\" href=\"https:\/\/17aitech.com\/?p=2070\/#%E6%9C%BA%E5%99%A8%E5%AD%A6%E4%B9%A0%E6%95%B0%E6%8D%AE%E9%9B%86%E7%89%B9%E7%82%B9\" >\u673a\u5668\u5b66\u4e60\u6570\u636e\u96c6\u7279\u70b9<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-5'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/17aitech.com\/?p=2070\/#%E6%B1%89%E5%AD%97%E5%90%91%E9%87%8F%E5%8C%96\" >\u6c49\u5b57\u5411\u91cf\u5316<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-5'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/17aitech.com\/?p=2070\/#%E4%BB%A3%E7%A0%81%E5%AE%9E%E7%8E%B0%E6%80%9D%E8%B7%AF\" >\u4ee3\u7801\u5b9e\u73b0\u601d\u8def<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/17aitech.com\/?p=2070\/#%E7%AC%AC%E4%B8%89%E6%AD%A5%EF%BC%9A%E8%AF%95%E9%AA%8C%E7%AE%97%E6%B3%95\" >\u7b2c\u4e09\u6b65\uff1a\u8bd5\u9a8c\u7b97\u6cd5<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/17aitech.com\/?p=2070\/#%E7%AC%AC%E5%9B%9B%E6%AD%A5%EF%BC%9A%E5%B7%A5%E7%A8%8B%E4%BC%98%E5%8C%96\" >\u7b2c\u56db\u6b65\uff1a\u5de5\u7a0b\u4f18\u5316<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/17aitech.com\/?p=2070\/#%E7%AC%AC%E4%BA%94%E6%AD%A5%EF%BC%9A%E9%81%B4%E9%80%89%E7%AE%97%E6%B3%95\" >\u7b2c\u4e94\u6b65\uff1a\u9074\u9009\u7b97\u6cd5<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/17aitech.com\/?p=2070\/#%E5%86%85%E5%AE%B9%E5%B0%8F%E7%BB%93\" >\u5185\u5bb9\u5c0f\u7ed3<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/17aitech.com\/?p=2070\/#%E5%8F%82%E8%80%83%E8%B5%84%E6%96%99\" >\u53c2\u8003\u8d44\u6599<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"%E6%9C%BA%E5%99%A8%E5%AD%A6%E4%B9%A0%E9%A1%B9%E7%9B%AE%E5%AE%9E%E6%88%98%EF%BC%9A%E5%A4%96%E5%8D%96%E7%82%B9%E8%AF%84%E6%83%85%E6%84%9F%E5%88%86%E6%9E%90%E9%A2%84%E6%B5%8B\"><\/span>\u673a\u5668\u5b66\u4e60\u9879\u76ee\u5b9e\u6218\uff1a\u5916\u5356\u70b9\u8bc4\u60c5\u611f\u5206\u6790\u9884\u6d4b<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"%E9%A1%B9%E7%9B%AE%E7%9B%AE%E7%9A%84\"><\/span>\u9879\u76ee\u76ee\u7684<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u57fa\u4e8e\u4e2d\u6587\u5916\u5356\u8bc4\u8bba\u6570\u636e\u96c6\uff0c\u901a\u8fc7\u673a\u5668\u5b66\u4e60\u7b97\u6cd5\uff0c\u5bf9\u8bc4\u8bba\u5185\u5bb9\u8fdb\u884c\u60c5\u611f\u9884\u6d4b\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E6%95%B0%E6%8D%AE%E9%9B%86\"><\/span>\u6570\u636e\u96c6<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>\u5730\u5740\uff1a<a href=\"http:\/\/idatascience.cn\/dataset-detail?table_id=429\">http:\/\/idatascience.cn\/dataset-detail?table_id=429<\/a><\/li>\n<li>\u6570\u636e\u96c6\u5b57\u6bb5<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: center;\">\u5b57\u6bb5\u540d\u79f0<\/th>\n<th style=\"text-align: center;\">\u5b57\u6bb5\u7c7b\u578b<\/th>\n<th style=\"text-align: left;\">\u5b57\u6bb5\u8bf4\u660e<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: center;\">label<\/td>\n<td style=\"text-align: center;\">\u6574\u578b<\/td>\n<td style=\"text-align: left;\">\u60c5\u611f\u6807\u7b7e\uff081\u4e3a\u6b63\u9762\uff0c0\u4e3a\u8d1f\u9762\uff09\u3002<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">review<\/td>\n<td style=\"text-align: center;\">\u5b57\u7b26\u578b<\/td>\n<td style=\"text-align: left;\">\u8bc4\u8bba\u5185\u5bb9\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li>\n<p>\u6570\u636e\u96c6\u6837\u4f8b\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left;\">label<\/th>\n<th style=\"text-align: left;\">review<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left;\"><\/td>\n<td style=\"text-align: left;\"><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">1<\/td>\n<td style=\"text-align: left;\">\u5f88\u5feb\uff0c\u597d\u5403\uff0c\u5473\u9053\u8db3\uff0c\u91cf\u5927<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">1<\/td>\n<td style=\"text-align: left;\">\u6ca1\u6709\u9001\u6c34\u6ca1\u6709\u9001\u6c34\u6ca1\u6709\u9001\u6c34<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">1<\/td>\n<td style=\"text-align: left;\">\u975e\u5e38\u5feb\uff0c\u6001\u5ea6\u597d\u3002<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">1<\/td>\n<td style=\"text-align: left;\">\u65b9\u4fbf\uff0c\u5feb\u6377\uff0c\u5473\u9053\u53ef\u53e3\uff0c\u5feb\u9012\u7ed9\u529b<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">1<\/td>\n<td style=\"text-align: left;\">\u83dc\u5473\u9053\u5f88\u68d2\uff01\u9001\u9910\u5f88\u53ca\u65f6\uff01<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">1<\/td>\n<td style=\"text-align: left;\">\u4eca\u5929\u5e08\u5085\u662f\u4e0d\u662f\u624b\u6296\u4e86\uff0c\u5fae\u8fa3\u683c\u5916\u8fa3\uff01<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">1<\/td>\n<td style=\"text-align: left;\">\u9001\u9910\u5feb,\u6001\u5ea6\u4e5f\u7279\u522b\u597d,\u8f9b\u82e6\u5566\u8c22\u8c22<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">1<\/td>\n<td style=\"text-align: left;\">\u8d85\u7ea7\u5feb\u5c31\u9001\u5230\u4e86\uff0c\u8fd9\u4e48\u51b7\u7684\u5929\u6c14\u9a91\u58eb\u4eec\u8f9b\u82e6\u4e86\u3002\u8c22\u8c22\u4f60\u4eec\u3002\u9ebb\u8fa3\u9999\u9505\u4f9d\u7136\u5f88\u597d\u5403\u3002<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">1<\/td>\n<td style=\"text-align: left;\">\u7ecf\u8fc7\u4e0a\u6b21\u665a\u4e862\u5c0f\u65f6\uff0c\u8fd9\u6b21\u8d85\u7ea7\u5feb\uff0c20\u5206\u949f\u5c31\u9001\u5230\u4e86\u2026\u2026<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">1<\/td>\n<td style=\"text-align: left;\">\u6700\u540e\u4e94\u5206\u949f\u8ba2\u7684\uff0c\u5356\u5bb6\u7279\u522b\u597d\u63a5\u5355\u4e86\uff0c\u8c22\u8c22\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"%E8%A7%A3%E5%86%B3%E6%80%9D%E8%B7%AF\"><\/span>\u89e3\u51b3\u601d\u8def<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u5728<a href=\"https:\/\/17aitech.com\/?p=1796#toc-1\">\u300a\u3010\u8bfe\u7a0b\u603b\u7ed3\u3011Day1\uff1a\u4eba\u5de5\u667a\u80fd\u7684\u6838\u5fc3\u6982\u5ff5\u300b<\/a>\u4e00\u6587\u4e2d\uff0c\u521d\u6b65\u68b3\u7406\u8fc7\u4eba\u5de5\u667a\u80fd\u7684\u5f00\u5c55\u6d41\u7a0b\uff0c\u5728\u672c\u6b21\u5b9e\u6218\u9879\u76ee\u4e2d\uff0c\u6211\u4eec\u5c06\u7ed3\u5408\u5b9e\u6218\u6df1\u5165\u7406\u89e3\u9879\u76ee\u6d41\u7a0b\u3002<\/p>\n<h4><span class=\"ez-toc-section\" id=\"%E7%AC%AC%E4%B8%80%E6%AD%A5%EF%BC%9A%E5%88%86%E6%9E%90%E8%BE%93%E5%85%A5%E8%BE%93%E5%87%BA\"><\/span>\u7b2c\u4e00\u6b65\uff1a\u5206\u6790\u8f93\u5165\/\u8f93\u51fa<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u901a\u8fc7\u5206\u6790\uff0c\u672c\u6b21\u9879\u76ee\u6211\u4eec\u8981\u89e3\u51b3\u7684\u95ee\u9898\uff1a<font color='red'>\u7ed9\u5b9a\u4e00\u6bb5\u4e2d\u6587\u8bc4\u8bba\uff0c\u5224\u65ad\u5176\u662f\u6b63\u9762\u8bc4\u8bba\u8fd8\u662f\u8d1f\u9762\u8bc4\u8bba\u3002<\/font><\/p>\n<p>\u8be5\u95ee\u9898\u662f\u4e00\u4e2a\u5178\u578b\u7684\u5206\u7c7b\u95ee\u9898\uff0c\u5206\u6790\u76f8\u5173\u8f93\u5165\/\u8f93\u51fa\u5982\u4e0b\uff1a<\/p>\n<ul>\n<li>\u8f93\u5165\uff1a\u4e00\u6bb5\u4e2d\u6587\u8bc4\u8bba<\/li>\n<li>\u8f93\u51fa\uff1a1\u4e3a\u6b63\u9762\uff0c0\u4e3a\u8d1f\u9762<\/li>\n<\/ul>\n<h4><span class=\"ez-toc-section\" id=\"%E7%AC%AC%E4%BA%8C%E6%AD%A5%EF%BC%9A%E6%9E%84%E5%BB%BA%E6%95%B0%E6%8D%AE%E9%9B%86\"><\/span>\u7b2c\u4e8c\u6b65\uff1a\u6784\u5efa\u6570\u636e\u96c6<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<h5><span class=\"ez-toc-section\" id=\"%E6%9C%BA%E5%99%A8%E5%AD%A6%E4%B9%A0%E6%95%B0%E6%8D%AE%E9%9B%86%E7%89%B9%E7%82%B9\"><\/span>\u673a\u5668\u5b66\u4e60\u6570\u636e\u96c6\u7279\u70b9<span class=\"ez-toc-section-end\"><\/span><\/h5>\n<p>\u4e00\u822c\u6765\u8bf4\uff0c\u673a\u5668\u5b66\u4e60\u7684\u7279\u5f81\u6570\u636e\u5177\u6709\u4ee5\u4e0b\u7279\u70b9\uff1a<\/p>\n<ul>\n<li>\u7279\u5f81\u4e0e\u7279\u5f81\u4e4b\u95f4\u76f8\u4e92\u72ec\u7acb<\/li>\n<li>\u6570\u636e\u96c6\u662f\u4e00\u4e2a\u8868\u683c\u7c7b\u6570\u636e<\/li>\n<li>\u6570\u636e\u6210\u884c\u6210\u5217<\/li>\n<li>\u4e00\u884c\u4e00\u4e2a\u6837\u672c\uff0c\u4e00\u5217\u4e00\u4e2a\u7279\u5f81<\/li>\n<\/ul>\n<p>\u901a\u8fc7\u5206\u6790\u4e0a\u8ff0\u7684\u6570\u636e\u96c6\uff0c\u53ef\u4ee5\u770b\u5230\u8be5\u6570\u636e\u96c6\u57fa\u672c\u6ee1\u8db3\u4e0a\u8ff0\u7279\u70b9\uff0c\u4f46\u662f\u4ecd\u7136\u5b58\u5728\u4e00\u4e2a\u6bd4\u8f83\u5927\u7684\u95ee\u9898\uff1a<font color='red'>\u6570\u636e\u96c6\u662f\u6c49\u5b57\uff0c\u673a\u5668\u65e0\u6cd5\u5904\u7406<\/font>(\u56e0\u4e3a\u673a\u5668\u5b66\u4e60\u5e95\u5c42\u662f\u5bf9\u6570\u5b57\u7684\u5904\u7406)\uff0c\u6240\u4ee5\u6211\u4eec\u9996\u5148\u9700\u8981\u5bf9\u6570\u636e\u6570\u5b57\u5316(\u4e5f\u53eb\u6c49\u5b57\u5411\u91cf\u5316)\u3002<\/p>\n<h5><span class=\"ez-toc-section\" id=\"%E6%B1%89%E5%AD%97%E5%90%91%E9%87%8F%E5%8C%96\"><\/span>\u6c49\u5b57\u5411\u91cf\u5316<span class=\"ez-toc-section-end\"><\/span><\/h5>\n<p>\u5728\u673a\u5668\u5b66\u4e60\u4e2d\uff0c\u6c49\u5b57\u5411\u91cf\u5316\u662f\u5c06\u6c49\u5b57\u8868\u793a\u4e3a\u8ba1\u7b97\u673a\u53ef\u8bc6\u522b\u7684\u6570\u503c\u5f62\u5f0f\u7684\u8fc7\u7a0b\u3002\u5e38\u7528\u7684\u65b9\u6cd5\u6709\uff1a<\/p>\n<ul>\n<li>\n<p><strong>One-Hot \u7f16\u7801<\/strong>\uff1a<\/p>\n<p>\u8fd9\u662f\u4f20\u7edf\u673a\u5668\u5b66\u4e60\u4e2d\u5e38\u7528\u7684\u4e00\u79cd\u5411\u91cf\u5316\u65b9\u6cd5\u3002\u5728\u8fd9\u79cd\u65b9\u6cd5\u4e2d\uff0c\u6bcf\u4e2a\u6c49\u5b57\u88ab\u8868\u793a\u4e3a\u4e00\u4e2a\u56fa\u5b9a\u957f\u5ea6\u7684\u5411\u91cf\uff0c\u5411\u91cf\u7684\u5927\u5c0f\u7b49\u4e8e\u5b57\u5178\u7684\u5927\u5c0f\uff0c\u6bcf\u4e2a\u6761\u76ee\u5bf9\u5e94\u4e8e\u9884\u5b9a\u4e49\u5355\u8bcd\u5b57\u5178\u4e2d\u7684\u4e00\u4e2a\u5355\u8bcd\uff0c\u5176\u4e2d\u53ea\u6709\u4e00\u4e2a\u4f4d\u7f6e\u662f1\uff0c\u5176\u4f59\u4e3a0\u3002<\/p>\n<\/li>\n<\/ul>\n<p><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/06\/image-20240605145353451.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/06\/image-20240605145353451.png\" alt=\"\" \/><\/a><\/p>\n<ul>\n<li>\n<p><strong>\u8bcd\u888b\u6a21\u578b<\/strong>\uff1a<\/p>\n<p>\u5728\u8bcd\u888b\u6a21\u578b\u4e2d\uff0c\u6587\u672c\u4e2d\u7684\u6bcf\u4e2a\u6c49\u5b57\u88ab\u770b\u4f5c\u662f\u72ec\u7acb\u7684\uff0c\u6ca1\u6709\u5173\u8054\u6027\uff0c\u7136\u540e\u6839\u636e\u5b57\u5178\u7edf\u8ba1\u5355\u8bcd\u51fa\u73b0\u7684\u9891\u6570\u3002\u8fd9\u79cd\u65b9\u6cd5\u867d\u7136\u7b80\u5355\uff0c\u4f46\u5728\u6587\u672c\u5411\u91cf\u5316\u4e2d\u5177\u6709\u4e00\u5b9a\u7684\u5b9e\u7528\u6027\u3002<\/p>\n<\/li>\n<\/ul>\n<p><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/06\/image-20240605145718656.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/06\/image-20240605145718656.png\" alt=\"\" \/><\/a><\/p>\n<p>\u4ee5\u8bcd\u888b\u6a21\u578b\u4e3a\u4f8b\uff1a<\/p>\n<blockquote>\n<p>\u5982\u679c\u5c06\u6587\u672c&quot;\u65b9\u4fbf\uff0c\u5feb\u6377\uff0c\u5473\u9053\u53ef\u53e3\uff0c\u5feb\u9012\u7ed9\u529b&quot;\u4ee5\u5b57\u4e3a\u5355\u4f4d\u8fdb\u884c\u5207\u5206\uff0c\u5e76\u4f7f\u7528\u8bcd\u888b\u6a21\u578b\u8fdb\u884c\u5411\u91cf\u5316\uff0c\u5411\u91cf\u5316\u8fc7\u7a0b\u5982\u4e0b\uff1a<\/p>\n<ol>\n<li>\n<p>\u6784\u5efa\u5b57\u6c47\u8868\uff1a\u9996\u5148\uff0c\u5c06\u6587\u672c\u4e2d\u7684\u6240\u6709\u4e0d\u91cd\u590d\u7684\u5b57\u4f5c\u4e3a\u5b57\u6c47\u8868\u3002\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u5b57\u6c47\u8868\u4e3a[&quot;\u65b9&quot;, &quot;\u4fbf&quot;, &quot;\uff0c&quot;, &quot;\u5feb&quot;, &quot;\u6377&quot;, &quot;\u5473&quot;, &quot;\u9053&quot;, &quot;\u53ef&quot;, &quot;\u53e3&quot;, &quot;\u5feb&quot;, &quot;\u9012&quot;, &quot;\u7ed9&quot;, &quot;\u529b&quot;]\u3002<\/p>\n<\/li>\n<li>\n<p>\u5411\u91cf\u5316\u8fc7\u7a0b\uff1a\u5bf9\u4e8e\u6bcf\u4e2a\u6587\u672c\uff0c\u7edf\u8ba1\u5b57\u6c47\u8868\u4e2d\u6bcf\u4e2a\u5b57\u5728\u6587\u672c\u4e2d\u51fa\u73b0\u7684\u6b21\u6570\uff0c\u5f62\u6210\u4e00\u4e2a\u5411\u91cf\u8868\u793a\u3002<\/p>\n<\/li>\n<\/ol>\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c&quot;\u65b9\u4fbf\uff0c\u5feb\u6377\uff0c\u5473\u9053\u53ef\u53e3\uff0c\u5feb\u9012\u7ed9\u529b&quot;\u7684\u5411\u91cf\u8868\u793a\u5982\u4e0b\uff1a<\/p>\n<p>&quot;\u65b9&quot;\u51fa\u73b01\u6b21<br \/>\n&quot;\u4fbf&quot;\u51fa\u73b01\u6b21<br \/>\n&quot;\uff0c&quot;\u51fa\u73b03\u6b21<br \/>\n&quot;\u5feb&quot;\u51fa\u73b02\u6b21<br \/>\n&quot;\u6377&quot;\u51fa\u73b01\u6b21<br \/>\n&quot;\u5473&quot;\u51fa\u73b01\u6b21<br \/>\n&quot;\u9053&quot;\u51fa\u73b01\u6b21<br \/>\n&quot;\u53ef&quot;\u51fa\u73b01\u6b21<br \/>\n&quot;\u53e3&quot;\u51fa\u73b01\u6b21<br \/>\n&quot;\u9012&quot;\u51fa\u73b01\u6b21<br \/>\n&quot;\u7ed9&quot;\u51fa\u73b01\u6b21<br \/>\n&quot;\u529b&quot;\u51fa\u73b01\u6b21<br \/>\n\u56e0\u6b64\uff0c\u6839\u636e\u5b57\u6c47\u8868\u7684\u987a\u5e8f\uff0c\u8be5\u6587\u672c\u7684\u8bcd\u888b\u6a21\u578b\u5411\u91cf\u5316\u7ed3\u679c\u4e3a\uff1a<br \/>\n1,1,3,2,1,1,1,1,1,1,1,1<\/p>\n<\/blockquote>\n<h5><span class=\"ez-toc-section\" id=\"%E4%BB%A3%E7%A0%81%E5%AE%9E%E7%8E%B0%E6%80%9D%E8%B7%AF\"><\/span>\u4ee3\u7801\u5b9e\u73b0\u601d\u8def<span class=\"ez-toc-section-end\"><\/span><\/h5>\n<p><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/06\/\u5916\u5356\u8bc4\u4ef7\u9879\u76ee\u89e3\u9898\u601d\u8def-1.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/06\/\u5916\u5356\u8bc4\u4ef7\u9879\u76ee\u89e3\u9898\u601d\u8def-1.png\" alt=\"\" \/><\/a><\/p>\n<p>\u6574\u4f53\u4ee3\u7801\u5b9e\u73b0\u7684\u89e3\u51b3\u601d\u8def\u5982\u4e0a\u56fe\u6240\u793a\uff1a<\/p>\n<p>1\u3001\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u8bfb\u53d6csv\u6587\u4ef6\u5e76\u4e14\u5c06\u6807\u7b7e\u548c\u7279\u5f81\u6570\u636e\u5207\u5206\u51fa\u6765\u3002<\/p>\n<p>2\u3001\u5176\u6b21\uff0c\u6211\u4eec\u9700\u8981\u89e3\u51b3\uff1a<code>\u5982\u4f55\u5c06\u6c49\u5b57\u8f6c\u6362\u4e3a\u6570\u5b57\u7f16\u7801<\/code>\u8fd9\u4e2a\u95ee\u9898\uff1b<\/p>\n<p>3\u3001\u63a5\u7740\uff0c\u901a\u8fc7\u4e0eGPT\u6c9f\u901a\u8bcd\u888b\u6a21\u578b\uff0c\u6211\u4eec\u4e86\u89e3\u5230\u9700\u8981\u6784\u5efa\u4e00\u4e2a\u8bcd\u6c47\u8868\uff0c\u7136\u540e\u6839\u636e\u8bcd\u6c47\u8868\u6570\u4e2a\u6570\uff0c\u6240\u4ee5\u8fd9\u4e2a\u95ee\u9898\u53ef\u4ee5\u5206\u89e3\u4e3a\u4e24\u4e2a\u5b50\u95ee\u9898\uff1a<code>\u5982\u4f55\u5c06\u6570\u636e\u96c6\u6c49\u5b57\u5efa\u7acb\u6210\u5b57\u5178\uff1f<\/code>\u548c<code>\u5982\u4f55\u6839\u636e\u5b57\u5178\u6570\u6587\u5b57\u51fa\u73b0\u7684\u4e2a\u6570\uff1f<\/code><\/p>\n<p>4\u3001\u5bf9\u4e8e<code>\u5982\u4f55\u5c06\u6570\u636e\u96c6\u6c49\u5b57\u5efa\u7acb\u6210\u5b57\u5178\uff1f<\/code>\u8fd9\u4e2a\u95ee\u9898\uff0c\u6211\u4eec\u901a\u8fc7\u4e0eGPT\u6c9f\u901a\u4e86\u89e3\u5230\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e2a\u53cc\u5c42\u5faa\u73af\uff0c\u9010\u884c\u9010\u5b57\u904d\u5386\u6570\u636e\u96c6\uff0c\u7136\u540e\u628a\u5b57\u52a0\u5165\u5230\u4e00\u4e2aset\u53d8\u91cf\u4e2d\u3002(\u56e0\u4e3aset\u6570\u636e\u7c7b\u578b\u6709\u6ee4\u91cd\u529f\u80fd)<\/p>\n<p>5\u3001\u5bf9\u4e8e<code>\u5982\u4f55\u6839\u636e\u5b57\u5178\u6570\u6587\u5b57\u51fa\u73b0\u7684\u4e2a\u6570\uff1f<\/code>\u8fd9\u4e2a\u95ee\u9898\uff0c\u6211\u4eec\u901a\u8fc7\u4e0eGPT\u6c9f\u901a\u4e86\u89e3\u5230\uff0c\u9700\u8981\u4e0b\u9762\u51e0\u4e2a\u5c0f\u6b65\u9aa4\uff1a<\/p>\n<ul>\n<li>\u2460\u751f\u6210\u4e00\u4e2a\u957f\u5ea6\u4e3a\u5b57\u5178\u957f\u5ea6\uff0c\u5185\u5bb9\u90fd\u4e3a0\u7684bow_vector\u3002<\/li>\n<li>\u2461\u5c06\u539f\u59cb\u7684\u6587\u672c\u6570\u636e\uff0c\u4ee5\u5b57\u7684\u7ef4\u5ea6\u8f6c\u6210\u4e8c\u7ef4\u6570\u7ec4vector\u3002<\/li>\n<li>\u2462\u6839\u636e\u4e0a\u9762\u2461\u751f\u6210\u7684vector\uff0c\u7ee7\u7eed\u4f7f\u7528\u53cc\u5c42\u5faa\u73af\u904d\u5386\uff0c\u5728\u5b57\u5178vocab\u4e2d\u627e\u5f53\u524d\u904d\u5386\u7684\u5b57\u5730\u7d22\u5f15\u503c<\/li>\n<li>\u2463\u6839\u636e\u7d22\u5f15\u503c\uff0c\u5728bow_vector\u540c\u6837\u7684\u4f4d\u7f6e\u8fdb\u884c\u8ba1\u6570+1<\/li>\n<\/ul>\n<p>\u5927\u81f4\u7684\u4ee3\u7801\u5b9e\u73b0\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n<ul>\n<li>\n<p>\u7b2c\u4e00\u6b65\uff1a\u8bfb\u53d6csv\u6587\u4ef6<\/p>\n<pre><code class=\"language-python\">import csv\nimport numpy as np\ndef read_file(file_path, skip_header=True):\n  \"\"\"\n  \u8bfb\u53d6CSV\u6587\u4ef6\u7684\u5185\u5bb9\u3002\n  \u53c2\u6570:\n      file_path (str): CSV\u6587\u4ef6\u7684\u8def\u5f84\u3002\n      skip_header (bool): \u662f\u5426\u8df3\u8fc7\u8868\u5934\u6570\u636e\uff0c\u9ed8\u8ba4\u4e3aTrue\u3002\n  \u8fd4\u56de:\n      list: \u5305\u542bCSV\u6587\u4ef6\u5185\u5bb9\u7684\u5217\u8868\u3002\n  \"\"\"\n  print(f'\u8bfb\u53d6\u539f\u59cb\u6570\u636e\u96c6\u6587\u4ef6: {file_path}')\n  with open(file_path, 'r', encoding='utf-8') as f:\n      if skip_header:\n          # \u8df3\u8fc7\u8868\u5934\u6570\u636e\n          f.readline()\n      reader = csv.reader(f)\n      return [row for row in reader]  # \u8bfb\u53d6csv\u6587\u4ef6\u7684\u5185\u5bb9\n\nread_file(\".\/\u4e2d\u6587\u5916\u5356\u8bc4\u8bba\u6570\u636e\u96c6.csv\")<\/code><\/pre>\n<\/li>\n<li>\n<p>\u7b2c\u4e8c\u6b65\uff1a\u5207\u5206\u6807\u7b7e\u548c\u6570\u636e<\/p>\n<pre><code class=\"language-python\">def split_data(data):\n  \"\"\"\n  \u5c06\u6570\u636e\u5206\u5272\u4e3a\u6807\u7b7e\u548c\u6570\u636e\u3002\n  \u53c2\u6570:\n      data (list): \u6570\u636e\u884c\u7684\u5217\u8868\uff0c\u7b2c\u4e00\u4e2a\u5143\u7d20\u662f\u6807\u7b7e\u3002\n  \u8fd4\u56de:\n      numpy.ndarray: \u6807\u7b7e\u6570\u7ec4\u3002\n      numpy.ndarray: \u8fde\u63a5\u5143\u7d20\u540e\u7684\u6570\u636e\u6570\u7ec4\u3002\n  \"\"\"\n  label = [row[0] for row in data]\n  data = [','.join(row[1:]) for row in data]\n\n  # \u8f6c\u6362\u4e3anumpy\u6570\u7ec4\n  n_label = np.array(label)\n  n_data = np.array(data)\n\n  return n_label, n_data\n\nlistdata = read_file('.\/\u4e2d\u6587\u5916\u5356\u8bc4\u8bba\u6570\u636e\u96c6.csv')\nlabel, data = split_data(listdata)\nprint(label)\nprint(data)<\/code><\/pre>\n<\/li>\n<li>\n<p>\u7b2c\u4e09\u6b65\uff1a\u751f\u6210\u8bcd\u6c47\u8868<\/p>\n<pre><code class=\"language-python\"># \u539f\u59cb\u6587\u672c\u6570\u636e\ndata = [\n  \"\u5f88\u5feb\uff0c\u597d\u5403\uff0c\u5473\u9053\u8db3\uff0c\u91cf\u5927\",\n  \"\u6ca1\u6709\u9001\u6c34\u6ca1\u6709\u9001\u6c34\u6ca1\u6709\u9001\u6c34\"\n]\n\n# \u6784\u5efa\u8bcd\u6c47\u8868\nvocab = set()\nfor text in data:\n  for char in text:\n      vocab.add(char)\n# \u8f93\u51fa\u7ed3\u679c\nprint(\"\u8bcd\u6c47\u8868\uff1a\", vocab)<\/code><\/pre>\n<\/li>\n<\/ul>\n<p>\u8fd0\u884c\u7ed3\u679c\uff1a<br \/>\n<a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/06\/image-20240607230142940.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/06\/image-20240607230142940.png\" alt=\"\" \/><\/a><\/p>\n<ul>\n<li>\n<p>\u7b2c\u56db\u6b65\uff1a\u751f\u6210\u5411\u91cf\u5316\u6570\u636e<\/p>\n<pre><code class=\"language-python\"># \u539f\u59cb\u6587\u672c\u6570\u636e\ndata = [\n  \"\u5f88\u5feb\uff0c\u597d\u5403\uff0c\u5473\u9053\u8db3\uff0c\u91cf\u5927\",\n  \"\u6ca1\u6709\u9001\u6c34\u6ca1\u6709\u9001\u6c34\u6ca1\u6709\u9001\u6c34\"\n]\n\n# \u5411\u91cf\u5316\u5904\u7406\nvector = []\nfor text in data:\n  words = list(text)  # \u5c06\u6bcf\u4e2a\u6587\u672c\u6309\u5b57\u62c6\u5206\u4e3a\u5355\u4e2a\u5b57\uff0c\u5e76\u8f6c\u6362\u4e3a\u5217\u8868\n  vector.append(words)\nprint(\"\u5411\u91cf\u5316\u540e\u7684\u7ed3\u679c\uff1a\", vector)<\/code><\/pre>\n<p>\u8fd0\u884c\u7ed3\u679c\uff1a<br \/>\n<a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/06\/image-20240607230249958.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/06\/image-20240607230249958.png\" alt=\"\" \/><\/a><\/p>\n<\/li>\n<li>\n<p>\u7b2c\u4e94\u6b65\uff1a\u751f\u6210\u4e00\u4e2a\u957f\u5ea6\u4e3a\u5b57\u5178\u957f\u5ea6\uff0c\u5185\u5bb9\u90fd\u4e3a0\u7684bow_vector\uff1b\u904d\u5386vector\uff0c\u5728<strong>vocab<\/strong>\u5b57\u5178\u4e2d\u627e\u5230\u5f53\u524d\u904d\u5386\u5b57\u7b26\u7684index\uff0c\u7136\u540e\u5728bow_vector\u7684\u540c\u6837index\u4f4d\u7f6e\u8fdb\u884c+1\u8ba1\u6570<\/p>\n<pre><code class=\"language-python\"># \u539f\u59cb\u6587\u672c\u6570\u636e\ndata = [\n  &quot;\u5f88\u5feb\uff0c\u597d\u5403\uff0c\u5473\u9053\u8db3\uff0c\u91cf\u5927&quot;,\n  &quot;\u6ca1\u6709\u9001\u6c34\u6ca1\u6709\u9001\u6c34\u6ca1\u6709\u9001\u6c34&quot;\n]\n\n# \u5411\u91cf\u5316\u5904\u7406\nvector = []\nfor text in data:\n  words = list(text)  # \u5c06\u6bcf\u4e2a\u6587\u672c\u6309\u5b57\u62c6\u5206\u4e3a\u5355\u4e2a\u5b57\uff0c\u5e76\u8f6c\u6362\u4e3a\u5217\u8868\n  vector.append(words)\n\n# \u5411\u91cf\u5316\u5904\u7406\uff08\u751f\u6210\u8bcd\u888b\u6a21\u578b\uff09\nvectorized_data = []\nfor words in vector:\n  # \u751f\u6210\u4e00\u4e2a\u957f\u5ea6\u4e3alen(vocab)\uff0c\u5185\u5bb9\u90fd\u4e3a0\u7684\u5411\u91cf\n  bow_vector = [0] * len(vocab)\n  # \u627e\u5230\u8bcd\u8bed\u5728\u8bcd\u6c47\u8868\u4e2d\u7684\u7d22\u5f15\uff0c\u7136\u540e\u5728\u5bf9\u5e94\u7684\u4f4d\u7f6e\u4e0a\u52a01\n  for word in words:\n      if word in vocab:\n          index = list(vocab).index(word)\n          bow_vector[index] += 1\n  vectorized_data.append(bow_vector)\n# \u8f93\u51fa\u5411\u91cf\u5316\u540e\u7684\u7ed3\u679c\nprint(&quot;\u5411\u91cf\u5316\u540e\u7684\u7ed3\u679c\uff08\u8bcd\u888b\u6a21\u578b\uff09\uff1a&quot;, vectorized_data)<\/code><\/pre>\n<p>\u8fd0\u884c\u7ed3\u679c\uff1a<br \/>\n<a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/06\/image-20240607230523896.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/06\/image-20240607230523896.png\" alt=\"\" \/><\/a><\/p>\n<\/li>\n<\/ul>\n<p>\u81f3\u6b64\uff0c\u4e00\u4e2a\u57fa\u672c\u7684\u6570\u636e\u9884\u5904\u7406\u8fc7\u7a0b\u96cf\u5f62\u5df2\u7ecf\u5b8c\u6210\u3002<\/p>\n<p>\u63a5\u4e0b\u6765\uff0c<\/p>\n<p>1\u3001\u6211\u4eec\u9700\u8981\u5bf9\u4e0a\u9762\u7684\u8fc7\u7a0b\u5c01\u88c5\u4e3a\u4e00\u4e2afunction\uff0c\u7136\u540e\u5c06\u793a\u4f8b\u4ee3\u7801\u4e2d\u7684data\u66ff\u6362\u4e3a\u4ece\u6587\u4ef6\u8bfb\u53d6\u5207\u5206\u51fa\u6765\u7684n_data\uff0c\u8be6\u7ec6\u8fc7\u7a0b\u4e0d\u518d\u8d58\u8ff0\u3002<\/p>\n<p>2\u3001\u6700\u7ec8\u751f\u6210\u7684\u5411\u91cf\u5316\u6570\u636e\uff0c\u53ef\u4ee5\u4fdd\u5b58\u5728\u5185\u5b58\u4e2d\uff0c\u5728\u4e0b\u9762\u7684\u8fd0\u884c\u6a21\u578b\u4e2d\u76f4\u63a5\u4f7f\u7528\uff1b\u4e5f\u53ef\u4ee5\u5c06\u5411\u91cf\u5316\u6570\u636e\u4fdd\u5b58\u5230\u672c\u5730\u6587\u4ef6\uff0c\u7136\u540e\u5728\u6a21\u578b\u65b9\u6cd5\u4e2d\u8bfb\u53d6\u540e\u4f7f\u7528\u3002<\/p>\n<p>\u6211\u4f7f\u7528\u7684\u65b9\u6cd5\u662f\u4fdd\u5b58\u5230\u672c\u5730\u540e\uff0c\u5728\u4e0b\u9762\u7684decision_tree\u6765\u8bfb\u53d6\u4f7f\u7528\u3002\u5904\u7406\u540e\u7684\u6570\u636e\u4fdd\u5b58\u5728vectorized_data.csv\u6587\u4ef6\uff0c\u5176\u5185\u5bb9\u5982\u4e0b\uff1a<\/p>\n<p><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/06\/image-20240605140619497.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/06\/image-20240605140619497.png\" alt=\"\" \/><\/a><\/p>\n<ul>\n<li>label\u4e3a\u6807\u7b7e<\/li>\n<li>x0~xn\u4e3a\u7279\u5f81\u6570\u636e<\/li>\n<\/ul>\n<h4><span class=\"ez-toc-section\" id=\"%E7%AC%AC%E4%B8%89%E6%AD%A5%EF%BC%9A%E8%AF%95%E9%AA%8C%E7%AE%97%E6%B3%95\"><\/span>\u7b2c\u4e09\u6b65\uff1a\u8bd5\u9a8c\u7b97\u6cd5<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u4e3a\u4e86\u8dd1\u901a\u903b\u8f91\uff0c\u6211\u4eec\u5148\u9009\u62e9\u51b3\u7b56\u6811\u6765\u9a8c\u8bc1\u4e0a\u8ff0\u6570\u636e\u96c6\u662f\u5426\u53ef\u7528\u3002<\/p>\n<pre><code class=\"language-python\">from sklearn.model_selection import train_test_split\nfrom sklearn.tree import DecisionTreeClassifier\n\ndef decision_tree(train_data_file_path=&#039;vectorized_data.csv&#039;, test_size=0.2):\n    &quot;&quot;&quot;\n    \u51b3\u7b56\u6811\u6a21\u578b\u7684\u8bad\u7ec3\u548c\u8bc4\u4f30\u3002\n    \u53c2\u6570:\n        train_data_file_path (str): \u5411\u91cf\u5316\u6570\u636e\u7684\u6587\u4ef6\u8def\u5f84\u3002\n        test_size (float): \u6d4b\u8bd5\u96c6\u7684\u6bd4\u4f8b\uff0c\u9ed8\u8ba4\u4e3a0.2\u3002\n    &quot;&quot;&quot;\n    print(&#039;\u5f00\u59cb\u52a0\u8f7d\u8bad\u7ec3\u6570\u636e...&#039;)\n    # \u8bfb\u53d6\u6587\u4ef6\n    with open(train_data_file_path, &#039;r&#039;, encoding=&#039;utf-8&#039;) as f:\n        reader = csv.reader(f)\n        data = [row for row in reader]\n\n    # \u6570\u636e\u5207\u5206\n    label = [row[0] for row in data[1:]]\n    vector = [row[1:] for row in data[1:]]\n\n    # \u8bad\u7ec3\u96c6\u548c\u6d4b\u8bd5\u96c6\u5207\u5206\n    X_train, X_test, y_train, y_test = train_test_split(vector, label, test_size=0.2)\n\n    print(&#039;\u5f00\u59cb\u8bad\u7ec3\u51b3\u7b56\u6811\u6a21\u578b...&#039;)\n    # \u6570\u636e\u9884\u6d4b\n    clf = DecisionTreeClassifier()\n    clf.fit(X_train, y_train)\n    y_pred = clf.predict(X_test)\n\n    # \u8bc4\u4f30\n    print(&#039;\u5f00\u59cb\u51b3\u7b56\u6811\u9884\u6d4b...&#039;)\n    accuracy = np.mean(y_pred == y_test)\n    print(f&#039;\u9884\u6d4b\u51c6\u786e\u7387\uff1a{accuracy}&#039;)<\/code><\/pre>\n<p>\u8fd0\u884c\u7ed3\u679c\uff1a<\/p>\n<p><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/06\/image-20240605141006339.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/06\/image-20240605141006339.png\" alt=\"\" \/><\/a><\/p>\n<h4><span class=\"ez-toc-section\" id=\"%E7%AC%AC%E5%9B%9B%E6%AD%A5%EF%BC%9A%E5%B7%A5%E7%A8%8B%E4%BC%98%E5%8C%96\"><\/span>\u7b2c\u56db\u6b65\uff1a\u5de5\u7a0b\u4f18\u5316<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u901a\u8fc7\u4e0a\u8ff0\u9a8c\u8bc1\u6570\u636e\u96c6\u5df2\u7ecf\u53ef\u4ee5\u4f7f\u7528\uff0c\u6574\u4f53\u6d41\u7a0b\u5df2\u7ecf\u6ca1\u6709\u95ee\u9898\u3002\u63a5\u4e0b\u6765\u6211\u4eec\u5bf9\u4ee3\u7801\u8fdb\u884c\u91cd\u6784\uff1a<\/p>\n<p>1\u3001\u5c06\u6574\u4f53\u4ee3\u7801\u4f7f\u7528\u9762\u5411\u5bf9\u8c61\u5c01\u88c5\u4e3a\u7c7b\u5b9e\u73b0<\/p>\n<p>2\u3001\u5728\u6c49\u5b57\u5411\u91cf\u5316\u5904\u7406\u4e2d\u4f7f\u7528jieba\u7684\u5206\u8bcd\u65b9\u5f0f<\/p>\n<p>3\u3001\u5728\u6a21\u578b\u9884\u6d4b\u90e8\u5206\u52a0\u5165KNN\u3001\u8d1d\u53f6\u65af\u3001\u7ebf\u6027\u56de\u5f52\u3001\u968f\u673a\u68ee\u6797\u3001SVC\u5411\u91cf\u673a\u7684\u65b9\u5f0f<\/p>\n<p>\u7531\u4e8e\u91cd\u6784\u7684\u4ee3\u7801\u5185\u5bb9\u8f83\u591a\uff0c\u672c\u7bc7\u6587\u7ae0\u4e0d\u518d\u8d58\u8ff0\uff0c\u8be6\u60c5\u8bf7\u89c1<a href=\"https:\/\/github.com\/domonic18\/ml_predic_foodcomments\">Github\u4ed3\u5e93<\/a><\/p>\n<h4><span class=\"ez-toc-section\" id=\"%E7%AC%AC%E4%BA%94%E6%AD%A5%EF%BC%9A%E9%81%B4%E9%80%89%E7%AE%97%E6%B3%95\"><\/span>\u7b2c\u4e94\u6b65\uff1a\u9074\u9009\u7b97\u6cd5<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u901a\u8fc7\u8fd0\u884c\u4e0a\u8ff0\u5de5\u7a0b\u4f18\u5316\u540e\u7684\u4ee3\u7801\uff0c\u6267\u884c\u7ed3\u679c\u5982\u4e0b\uff1a<br \/>\n<a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/06\/image-20240606011117037.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/06\/image-20240606011117037.png\" alt=\"\" \/><\/a><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/06\/image-20240606011056475.png\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/06\/image-20240606011056475.png\" alt=\"\" \/><\/a><\/p>\n<ul>\n<li>\u901a\u8fc7\u5bf9\u6bd4\u51c6\u786e\u7387\uff0c\u7ebf\u6027\u56de\u5f52\u3001SVC\u3001\u968f\u673a\u68ee\u6797\u7684\u51c6\u786e\u7387\u8f83\u9ad8\u3002<\/li>\n<li>\u901a\u8fc7\u5206\u6790\u65e5\u5fd7\u4e2d\u7684\u6267\u884c\u65f6\u95f4\uff0cSVC\u5728\u4f7f\u7528jieba\u5206\u8bcd\u65f6\u7684\u8bad\u7ec3\u65f6\u95f4\u5927\u6982\u67099\u5206\u949f\uff0c\u8bad\u7ec3\u901f\u5ea6\u6bd4\u8f83\u6162\u3002<\/li>\n<li>\u56e0\u6b64\uff0c\u7efc\u5408\u4e0b\u6765\u7ebf\u6027\u56de\u5f52\u548c\u968f\u673a\u68ee\u6797\u662f\u8f83\u4e3a\u5408\u9002\u7684\u673a\u5668\u5b66\u4e60\u6a21\u578b\u3002<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"%E5%86%85%E5%AE%B9%E5%B0%8F%E7%BB%93\"><\/span>\u5185\u5bb9\u5c0f\u7ed3<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>\n<p>\u673a\u5668\u5b66\u4e60\u65f6\uff0c\u6570\u636e\u4e00\u822c\u6709\u5982\u4e0b\u7279\u70b9<\/p>\n<ul>\n<li>\u7279\u5f81\u4e0e\u7279\u5f81\u4e4b\u95f4\u76f8\u4e92\u72ec\u7acb<\/li>\n<li>\u6570\u636e\u96c6\u662f\u4e00\u4e2a\u8868\u683c\u7c7b\u6570\u636e<\/li>\n<li>\u6570\u636e\u6210\u884c\u6210\u5217<\/li>\n<li>\u4e00\u884c\u4e00\u4e2a\u6837\u672c\uff0c\u4e00\u5217\u4e00\u4e2a\u7279\u5f81<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u5982\u679c\u6570\u636e\u662f\u6c49\u5b57\uff0c\u673a\u5668\u662f\u65e0\u6cd5\u5904\u7406\u7684\uff0c\u5176\u5e95\u5c42\u90fd\u662f\u5904\u7406\u6570\u5b57\uff0c\u6211\u4eec\u9700\u8981\u5c06\u6c49\u5b57\u5411\u91cf\u5316\u4e3a\u6570\u5b57<\/p>\n<\/li>\n<li>\n<p>\u6c49\u5b57\u7684\u5411\u91cf\u5316\u65b9\u6cd5\u4e00\u822c\u6765\u8bf4\u6709OneHot\u7f16\u7801\u548c\u8bcd\u888b\u6a21\u578b<\/p>\n<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"%E5%8F%82%E8%80%83%E8%B5%84%E6%96%99\"><\/span>\u53c2\u8003\u8d44\u6599<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><a href=\"https:\/\/zhuanlan.zhihu.com\/p\/53302305\">\u77e5\u4e4e\uff1a\u6587\u672c\u8868\u793a\u4e4b\u8bcd\u888b\u6a21\u578b<\/a><\/p>\n<p align=\"center\">\u6b22\u8fce\u5173\u6ce8\u516c\u4f17\u53f7\u4ee5\u83b7\u5f97\u6700\u65b0\u7684\u6587\u7ae0\u548c\u65b0\u95fb<\/p>\n<p><a href=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/09\/\u626b\u7801_\u641c\u7d22\u8054\u5408\u4f20\u64ad\u6837\u5f0f-\u767d\u8272\u7248.bmp\" data-fancybox=\"images\" data-fancybox=\"gallery\"><img decoding=\"async\" src=\"https:\/\/17aitech.com\/wp-content\/uploads\/2024\/09\/\u626b\u7801_\u641c\u7d22\u8054\u5408\u4f20\u64ad\u6837\u5f0f-\u767d\u8272\u7248.bmp\" alt=\"\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u673a\u5668\u5b66\u4e60\u9879\u76ee\u5b9e\u6218\uff1a\u5916\u5356\u70b9\u8bc4\u60c5\u611f\u5206\u6790\u9884\u6d4b  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