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关于LSA的一些问题 #95

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DoubleYing opened this issue Jul 22, 2019 · 0 comments
Open

关于LSA的一些问题 #95

DoubleYing opened this issue Jul 22, 2019 · 0 comments

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@DoubleYing
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相关章节

CH17

相关主题

  • [ lsa] 代码

问题描述

首先,非常感谢能无私开源自己的代码,对我们的学习真的很有帮助。
在lsa的fit()方法中,这个函数的作用是将x->x_trainsform。但是我不太理解为什么x_transform是Us,因为U本身已经是话题向量空间。svh代表文本在话题向量空间中的表示。那么这里x_transform的含义是什么?
而component返回的则是vh,这个component的意义又是什么?
还有explained_variance是计算的x_transform的方差,这个的意义又是什么

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