一些建模中的问题

1.是否需要降维？

Dimensionality reduction we normally use it to visualize our data and to find hidden information

we don't normally see. Also, it is use for optimizing of course this is under the assumption that

when implementing dimensionality reduction to your dataset it is representative of the actual

dataset. You can find this out through the explained variance.

引自

标签：use,explained,建模,dataset,问题,reduction,一些,normally,find
来源： https://www.cnblogs.com/ironan-liu/p/14218080.html