[Topic-models] Variance of corpus?

David André Broniatowski david at mit.edu
Fri May 15 18:47:07 EDT 2009


Dear topic model list,

Please excuse me if this is a very basic question, but I'm wondering if
there is a principled Bayesian way to measure the variance of a corpus.

Ultimately, I'm trying to figure out how many topics to choose in order to
fit a topic model to a corpus.

Thanks,
David
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