one-hot encoding 是一种被广泛使用的编码方法，但也会造成维度过高等问题。因此，medium 的一位博主表示，在编码分类变量方面，我们或许还有更好的选择。
原文链接：
https://towardsdatascience.com/stop-one-hot-encoding-your-categorical-variables-bbb0fba89809
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