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机器学习中离散特征的处理方法 Updated: August 25, 2016 Learning with counts is an efficient way to create a compact set of features for a dataset, based on counts of 阅读全文
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之前一篇文章简单地讲了XGBoost的实现与普通GBDT实现的不同之处,本文尝试总结一下GBDT运用的正则化技巧。 Early Stopping Early Stopping是机器学习迭代式训练模型中很常见的防止过拟合技巧,维基百科里如下描述: In machine learning, early 阅读全文