[Topic-models] LDA paper by Blei - some more questions
mateuszb at gmail.com
Wed Nov 19 08:55:52 EST 2008
On Wed, Nov 19, 2008 at 2:44 PM, David Blei <blei at cs.princeton.edu> wrote:
> in the E-step, optimize variational parameters for each document and compute
> expected sufficient statistics under the resulting variational
> distributions. this step depends on a setting of the model parameters,
> i.e., the dirichlet hyperparameters and topic distributions. in the
> M-step, optimize those model parameters according to those expected
> sufficient statistics. repeat until the bound on the log likelihood of the
> data converges.
Ok, makes perfect sense now! Thanks a lot Dave.
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