Github user thvasilo commented on a diff in the pull request: https://github.com/apache/flink/pull/2542#discussion_r87195483 --- Diff: flink-libraries/flink-ml/src/main/scala/org/apache/flink/ml/recommendation/ALS.scala --- @@ -156,6 +171,26 @@ class ALS extends Predictor[ALS] { this } + /** Sets the input observations to be implicit, thus using the iALS algorithm for learning. --- End diff -- The docstring is not worded correctly, as the passed argument could be true or false. Should be prefixed with something like "When set to true, we assume implicit observations..."
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