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Sandeep Singh commented on SPARK-1668: -------------------------------------- https://github.com/apache/spark/pull/597 > Add implicit preference as an option to examples/MovieLensALS > ------------------------------------------------------------- > > Key: SPARK-1668 > URL: https://issues.apache.org/jira/browse/SPARK-1668 > Project: Spark > Issue Type: New Feature > Components: MLlib > Reporter: Xiangrui Meng > Assignee: Sandeep Singh > Priority: Minor > > Add --implicitPrefs as an command-line option to the example app MovieLensALS > under examples/. For evaluation, we should map ratings to range [0, 1] and > compare it with predictions. It would be better if we add unobserved ratings > (assuming negatives) to evaluation. -- This message was sent by Atlassian JIRA (v6.2#6252)