Github user dbtsai commented on a diff in the pull request: https://github.com/apache/spark/pull/6388#discussion_r31874716 --- Diff: mllib/src/main/scala/org/apache/spark/mllib/stat/MultivariateOnlineSummarizer.scala --- @@ -47,6 +49,39 @@ class MultivariateOnlineSummarizer extends MultivariateStatisticalSummary with S private var currMax: Array[Double] = _ private var currMin: Array[Double] = _ + private var configure: mutable.Map[String, Boolean] = mutable.Map("mean" -> false, "max" -> false, + "min" -> false, "variance" -> false, "normL1" -> false, "normL2" -> false) + --- End diff -- also, i am not really sure if mutable map is a good approach here since it's not type safe.
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