def test_model_update(self):
"""Test updating existing LdaVowpalWabbit model."""
if not self.vw_path: # for python 2.6
return
lda = LdaVowpalWabbit(
self.vw_path, corpus=[self.corpus[0]], passes=10, chunksize=256,
id2word=self.dictionary, cleanup_files=True, alpha=0.1,
eta=0.1, num_topics=len(TOPIC_WORDS), random_seed=1
)
lda.update(self.corpus[1:])
result = lda.log_perplexity(self.corpus)
self.assertTrue(result < -1)
self.assertTrue(result > -5)
def test_model_update(self):
"""Test updating existing LdaVowpalWabbit model."""
if not self.vw_path: # for python 2.6
return
lda = LdaVowpalWabbit(
self.vw_path, corpus=[self.corpus[0]], passes=10, chunksize=256,
id2word=self.dictionary, cleanup_files=True, alpha=0.1,
eta=0.1, num_topics=len(TOPIC_WORDS), random_seed=1
)
lda.update(self.corpus[1:])
result = lda.log_perplexity(self.corpus)
self.assertTrue(result < -1)
self.assertTrue(result > -5)
