Github user srowen commented on a diff in the pull request: https://github.com/apache/spark/pull/19337#discussion_r140725930 --- Diff: mllib/src/main/scala/org/apache/spark/mllib/clustering/LDAOptimizer.scala --- @@ -573,7 +584,8 @@ private[clustering] object OnlineLDAOptimizer { expElogbeta: BDM[Double], alpha: breeze.linalg.Vector[Double], gammaShape: Double, - k: Int): (BDV[Double], BDM[Double], List[Int]) = { + k: Int, + epsilon: Double = 1e-3): (BDV[Double], BDM[Double], List[Int]) = { --- End diff -- This duplicates the default value.
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