apache/spark — pull request #3095 by mdagost (2014-11-04 20:06:02+00:00)
Title: [MLLIB] [PYTHON] SPARK-4221: Expose nonnegative ALS in the python API

SPARK-1553 added alternating nonnegative least squares to MLLib, however it's not possible to access it via the python API. This pull request resolves that.