Github user srowen commented on a diff in the pull request: https://github.com/apache/spark/pull/19248#discussion_r139281622 --- Diff: mllib/src/main/scala/org/apache/spark/ml/param/shared/sharedParams.scala --- @@ -44,7 +44,7 @@ private[ml] trait HasRegParam extends Params { private[ml] trait HasMaxIter extends Params { /** - * Param for maximum number of iterations (>= 0). + * Param for maximum number of iterations (>= 0). (default = 20) --- End diff -- That does not set a global default, no.
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