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Posted to dev@madlib.apache.org by GitBox <gi...@apache.org> on 2019/11/01 18:20:57 UTC
[GitHub] [madlib] fmcquillan99 commented on issue #432: MADLIB-1351 : Added
stopping criteria on perplexity to LDA
fmcquillan99 commented on issue #432: MADLIB-1351 : Added stopping criteria on perplexity to LDA
URL: https://github.com/apache/madlib/pull/432#issuecomment-548897385
(5)
iteration number does not match when early termination
```madlib=# SELECT voc_size, topic_num, alpha, beta, num_iterations, perplexity, perplexity_iters from lda_model_perp;
-[ RECORD 1 ]----+----------------------------------------------------------
voc_size | 384
topic_num | 5
alpha | 5
beta | 0.01
num_iterations | 5
perplexity | {199.746367293,193.662852162,190.782567914,189.245695537}
perplexity_iters | {1,2,3,4}
Time: 38.941 ms
```
I think `num_iterations ` should be 4 ?
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