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I think "solid foundation in statistics" refers to the fact that LDA has a proper generative model of documents and topics, while LSA doesn't -- so that it's ea

by jkan 16y ago

I think "solid foundation in statistics" refers to the fact that LDA has a proper generative model of documents and topics, while LSA doesn't -- so that it's easier to reason about LDA and to build more complex models on top of it.