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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                # 正規化 > 原文:[https://www.textbook.ds100.org/ch/16/reg_intro.html](https://www.textbook.ds100.org/ch/16/reg_intro.html) ``` # HIDDEN # Clear previously defined variables %reset -f # Set directory for data loading to work properly import os os.chdir(os.path.expanduser('~/notebooks/16')) ``` 特征工程可以將有關數據生成過程的重要信息合并到我們的模型中。但是,向數據中添加特性通常也會增加模型的方差,從而導致總體性能變差。我們可以使用一種稱為正則化的技術來減少模型的方差,同時盡可能多地合并有關數據的信息,而不是完全拋棄特性。
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