Hi all,

We’re implementing a recommender system using ALS, based on implicit feedback. 
In Spark there’s RankingMetrics for evaluation of recommender systems.
I was wondering if it’s possible to user Spark RankingMetrics in the 
PredictionIO evaluator, or if there is something similar to RankingMetrics in 

Any help would be appreciated.

Best regards,
Rogier Pijpers

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