The essence of LDA is word co-occurrence. I want to know why? and does word co-occurrence mean two words appear together in a certain document or just appear in the documents collection together?
Thank you all in advance.
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1Have you have a look at this: http://stats.stackexchange.com/a/32350/7744 – Ben Mar 16 '14 at 05:11
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Perhaps this quote will shed more light. "You shall know a word by the company it keeps" Firth, J. R. – Vladislavs Dovgalecs Feb 23 '16 at 19:07