Github user zhengruifeng commented on a diff in the pull request: https://github.com/apache/spark/pull/19110#discussion_r138517690 --- Diff: mllib/src/main/scala/org/apache/spark/ml/classification/OneVsRest.scala --- @@ -297,6 +298,16 @@ final class OneVsRest @Since("1.4.0") ( def setPredictionCol(value: String): this.type = set(predictionCol, value) /** + * The implementation of parallel one vs. rest runs the classification for + * each class in a separate threads. + * + * @group expertSetParam + */ + def setParallelism(value: Int): this.type = { --- End diff -- missing since annotation
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