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one-hot encoding不是万能的,这些分类变量编码方法你值得拥有
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。 one-hot 编码(one-hot encoding)类似于虚拟变量(dummy variables),是一种将分类变量转换为几个二进制列的方法。
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