hpandeycodeit commented on a change in pull request #432: MADLIB-1351 : Added
stopping criteria on perplexity to LDA
URL: https://github.com/apache/madlib/pull/432#discussion_r321871998
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File path: src/ports/postgres/modules/lda/lda.py_in
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@@ -191,7 +199,32 @@ class LDATrainer:
# etime = time.time()
# plpy.notice('\t\ttime elapsed: %.2f seconds' % (etime - stime))
+ # JIRA: MADLIB-1351
+ # Calculate Perplexity for evaluate_every Iteration
+ # Skil the calculation at the first iteration as the model generated
+ # at first iteration is a random model
Review comment:
done
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