Debasish Das created SPARK-4231:
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Summary: Add RankingMetrics to examples.MovieLensALS
Key: SPARK-4231
URL: https://issues.apache.org/jira/browse/SPARK-4231
Project: Spark
Issue Type: Improvement
Components: Examples
Affects Versions: 1.2.0
Reporter: Debasish Das
Fix For: 1.2.0
examples.MovieLensALS computes RMSE for movielens dataset but after addition of
RankingMetrics and enhancements to ALS, it is critical to look at not only the
RMSE but also measures like prec@k and MAP.
In this JIRA we added RMSE and MAP computation for examples.MovieLensALS and
also added a flag that takes an input whether user/product recommendation is
being validated.
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