{"id":1303,"date":"2024-07-22T23:39:34","date_gmt":"2024-07-22T15:39:34","guid":{"rendered":"http:\/\/tobykskgd.life\/?p=1303"},"modified":"2024-11-14T22:29:29","modified_gmt":"2024-11-14T14:29:29","slug":"64","status":"publish","type":"post","link":"https:\/\/tobykskgd.life\/index.php\/64\/","title":{"rendered":"\u5434\u6069\u8fbe\u673a\u5668\u5b66\u4e60\u7b14\u8bb0EP10"},"content":{"rendered":"\n

\u3010\u51b3\u7b56\u6811\u76f8\u5173\u3011\u5434\u6069\u8fbe\u673a\u5668\u5b66\u4e60\u7b14\u8bb0EP10\uff08P91-P100\uff09<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

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\n\n\n\n

\u9009\u62e9\u62c6\u5206\u4fe1\u606f\u589e\u76ca<\/h2>\n\n\n\n

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\"\"<\/div><\/figure>\n\n\n\n

\u4e0b\u9762\u662f\u4fe1\u606f\u589e\u76ca\u7684\u8ba1\u7b97\u516c\u5f0f\u3002<\/p>\n\n\n\n

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\"\"<\/div><\/figure>\n\n\n\n

\u6574\u5408<\/h2>\n\n\n\n

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\u4ece\u6839\u8282\u70b9\u5f00\u59cb\u3002<\/p>\n\n\n\n

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\"\"<\/div><\/figure>\n\n\n\n

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\"\"<\/div><\/figure>\n\n\n\n

\u4f7f\u7528\u5206\u7c7b\u7279\u5f81\u7684\u4e00\u79cd\u72ec\u70ed\u7f16\u7801\uff08One-Hot\uff09<\/h2>\n\n\n\n

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\"\"<\/div><\/figure>\n\n\n\n

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\"\"<\/div><\/figure>\n\n\n\n

\u8fde\u7eed\u7684\u6709\u4ef7\u503c\u7279\u5f81<\/h2>\n\n\n\n

\u6709\u4e9b\u7279\u5f81\u503c\uff08\u5982\u4f53\u91cd\u7b49\uff09\u662f\u8fde\u7eed\u7684\uff0c\u65e0\u6cd5\u76f4\u63a5\u5206\u88c2\u6570\u636e\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

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\"\"<\/div><\/figure>\n\n\n\n

\u56de\u5f52\u6811<\/h2>\n\n\n\n

\u4e0d\u4ec5\u6709\u51b3\u7b56\u6811\uff0c\u6811\u4e5f\u53ef\u4ee5\u7528\u4e8e\u56de\u5f52\u3002<\/p>\n\n\n\n

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\"\"<\/div><\/figure>\n\n\n\n

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\u56de\u5f52\u6811\u7684\u7279\u5f81\u9009\u62e9\u91c7\u7528\u4f7f\u65b9\u5dee\u51cf\u5c0f\u6700\u5927\u7684\u7279\u5f81\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u4f7f\u7528\u591a\u4e2a\u51b3\u7b56\u6811<\/h2>\n\n\n\n

\u5982\u4e0b\u56fe\u4f8b\u5b50\u6240\u793a\uff0c\u51b3\u7b56\u6811\u5bf9\u7ec6\u5c0f\u7684\u6570\u636e\u6539\u53d8\u90fd\u5f88\u654f\u611f\u3002<\/p>\n\n\n\n

\u6bd4\u5982\u4e0b\u9762\u5728\u6570\u636e\u96c6\u4e2d\u53ea\u6539\u4e86\u5176\u4e2d\u4e00\u4e2a\u6570\u636e\uff0c\u4f46\u5728\u4e0d\u540c\u51b3\u7b56\u6811\u4e2d\u7684\u9884\u6d4b\u7ed3\u679c\u5dee\u5f02\u5de8\u5927\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

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\"\"<\/div><\/figure>\n\n\n\n

\u653e\u56de\u62bd\u6837<\/h2>\n\n\n\n

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\"\"<\/div><\/figure>\n\n\n\n

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\"\"<\/div><\/figure>\n\n\n\n

\u968f\u673a\u68ee\u6797\u7b97\u6cd5<\/h2>\n\n\n\n

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\"\"<\/div><\/figure>\n\n\n\n

\u4e4b\u540e\u7684\u7279\u5f81\u62bd\u53d6\u4e0d\u5fc5\u5728\u6240\u6709\u7279\u5f81\u4e2d\u9009\u62e9\u3002<\/p>\n\n\n\n

\u53ef\u4ee5\u4ecek\u4e2a\u5c0f\u4e8e\u7279\u5f81\u603b\u6570n\u7684\u7279\u5f81\u5f53\u4e2d\u9009\u62e9\u7279\u5f81\u3002<\/p>\n\n\n\n

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\"\"<\/div><\/figure>\n\n\n\n

XGBoost<\/h2>\n\n\n\n

XGBoost\u7b97\u6cd5\u5219\u66f4\u591a\u5730\u5c06\u6ce8\u610f\u529b\u653e\u5728\u8bad\u7ec3\u9884\u6d4b\u9519\u8bef\u7684\u6570\u636e\u4e0a\u3002<\/p>\n\n\n\n

\u65b9\u6cd5\u548c\u4e4b\u524d\u5dee\u4e0d\u591a\uff0c\u4f46\u662f\u5728\u6784\u5efa\u5b8c\u4e00\u4e2a\u51b3\u7b56\u6811\u540e\uff0c\u9884\u6d4b\u7ed3\u679c\u4e0b\u4e00\u6b21\u653e\u56de\u62bd\u53d6\u4e2d\u9884\u6d4b\u9519\u8bef\u7684\u6570\u636e\u66f4\u5bb9\u6613\u88ab\u62bd\u5230\uff0c\u7136\u540e\u548c\u968f\u673a\u68ee\u6797\u4e00\u6837\uff0c\u7528\u65b0\u6784\u5efa\u7684\u6570\u636e\u96c6\u518d\u6b21\u8bad\u7ec3\u4e00\u4e2a\u51b3\u7b56\u6811\u3002<\/p>\n\n\n\n

\"\"<\/div><\/figure>\n\n\n\n

\u51b3\u7b56\u6811\u7684\u5177\u4f53\u7b97\u6cd5\u6709\u4e00\u70b9\u590d\u6742\uff0c\u4f46\u662f\u53ef\u4ee5\u76f4\u63a5\u5728\u5bf9\u5e94\u7684\u5e93\u4e2d\u76f4\u63a5\u88ab\u8c03\u7528\u3002<\/p>\n\n\n\n

# \u5206\u7c7b\u4e2d\u7684\u4f7f\u7528\nfrom xgboost import XGBClassifier\n\nmodel = XGBClassifier()\n\nmodel.fit(x_train, y_train)\ny_pred = model.predict(x_test)<\/code><\/pre>\n\n\n\n
# \u56de\u5f52\u4e2d\u7684\u4f7f\u7528\nfrom xgboost import XGBRegressor\n\nmodel = XGBRegressor()\n\nmodel.fit(x_train, y_train)\ny_pred = model.predict(x_test)\n<\/code><\/pre>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n
\u4ec0\u4e48\u65f6\u5019\u4f7f\u7528\u51b3\u7b56\u6811<\/h2>\n\n\n\n
\u6700\u540e\u662f\u51b3\u7b56\u6811\u4e0e\u795e\u7ecf\u7f51\u7edc\u7684\u5bf9\u6bd4\u3002<\/p>\n\n\n\n
\u51b3\u7b56\u6811\uff1a<\/p>\n\n\n\n
\u5728\u7ed3\u6784\u5316\u7684\u6570\u636e\u4e2d\u6548\u679c\u66f4\u597d\u3002<\/p>\n\n\n\n
\u4e0d\u5efa\u8bae\u5728\u975e\u7ed3\u6784\u5316\u6570\u636e\uff08\u5982\u56fe\u50cf\u3001\u97f3\u9891\u3001\u6587\u672c\u7b49\uff09\u4e2d\u4f7f\u7528\u3002<\/p>\n\n\n\n
\u8bad\u7ec3\u901f\u5ea6\u66f4\u5feb\u3002<\/p>\n\n\n\n
\u5c0f\u7684\u51b3\u7b56\u6811\u53ef\u80fd\u662f\u4eba\u7c7b\u53ef\u89e3\u91ca\u7684\u3002<\/p>\n\n\n\n
\u795e\u7ecf\u7f51\u7edc\uff1a<\/p>\n\n\n\n
\u53ef\u4ee5\u5f88\u597d\u5730\u5904\u7406\u4e00\u5207\u7c7b\u578b\u7684\u6570\u636e\u3002<\/p>\n\n\n\n
\u53ef\u80fd\u6bd4\u51b3\u7b56\u6811\u6162\u3002<\/p>\n\n\n\n
\u9002\u5408\u8fc1\u79fb\u5b66\u4e60\u3002<\/p>\n\n\n\n
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\"\"<\/div><\/figure>\n","protected":false},"excerpt":{"rendered":"
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