Can I ask for a clarifications regarding ml.recommendation.ALS:

- is train method
(https://github.com/apache/spark/blob/master/mllib/src/main/scala/org/apache/spark/ml/recommendation/ALS.scala#L598)
intended to be be public?
- Rating class 
(https://github.com/apache/spark/blob/master/mllib/src/main/scala/org/apache/spark/ml/recommendation/ALS.scala#L436)is
using float instead of double like its MLLib counterpart. Is it going to
be a default encoding in 2.0+?

-- 
Best,
Maciej Szymkiewicz


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