Github user jkbradley commented on a diff in the pull request: https://github.com/apache/spark/pull/17090#discussion_r103354132 --- Diff: mllib/src/main/scala/org/apache/spark/ml/recommendation/ALS.scala --- @@ -285,6 +286,55 @@ class ALSModel private[ml] ( @Since("1.6.0") override def write: MLWriter = new ALSModel.ALSModelWriter(this) + + /** + * Returns top `num` items recommended for each user, for all users. + * @param num number of recommendations for each user --- End diff -- number -> max number
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