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_r328823021
##########
File path: src/ports/postgres/modules/lda/lda.py_in
##########
@@ -191,7 +199,20 @@ class LDATrainer:
# etime = time.time()
# plpy.notice('\t\ttime elapsed: %.2f seconds' % (etime - stime))
+ self.calculatePerplexity(it, work_table_in)
+
+
def update_model_table(self, work_table_in):
+
+ # JIRA: MADLIB-1351
+ # Create a string based on the value of self.perplexity
+ prep_string = ""
+ prep_itr_str = ""
+ if len(self.perplexity) > 1:
+ prep_string = ",
{0}".format(py_list_to_sql_string(self.perplexity))
Review comment:
changed the names here.
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