madlib/madlib — pull request #270 by geeg (2012-10-30 18:45:01+00:00)
Title: K-means: Fix drop filtered input views and kmeans seeding

input validation

JIRA: MADLIB-729, MADLIB-742
Fix __filter_input_relation so that it drops the correct temp views
and fix kmeanspp and kmeans_random seeding to check the input from
th filtered view (instead of the original source)