8000 Perplexity not monotonically decreasing for batch Latent Dirichlet Allocation · Issue #6777 · scikit-learn/scikit-learn · GitHub
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Perplexity not monotonically decreasing for batch Latent Dirichlet Allocation #6777
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Perplexity not monotonically decreasing for batch Latent Dirichlet Allocation#6777
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Bughelp wantedmodule:decomposition
@amueller

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@amueller
amueller
opened on May 12, 2016

When using the batch method, the perplexity in LDA should be non-increasing in every iteration, right?
I have cases where it does increase. If this is indeed a bug, I'll investigate.

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