Github user mengxr commented on a diff in the pull request: https://github.com/apache/spark/pull/3098#discussion_r24955675 --- Diff: mllib/src/main/scala/org/apache/spark/mllib/recommendation/MatrixFactorizationModel.scala --- @@ -103,13 +109,106 @@ class MatrixFactorizationModel private[mllib] ( recommend(productFeatures.lookup(product).head, userFeatures, num) .map(t => Rating(t._1, product, t._2)) + /** + * Recommends topK users/products. --- End diff -- This is JavaDoc style. For normal multiline comments, please use `/*` instead of `/**`.
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