Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/19638#discussion_r148461468
--- Diff:
mllib/src/main/scala/org/apache/spark/mllib/stat/MultivariateStatisticalSummary.scala
---
@@ -44,6 +44,8 @@ trait MultivariateStatisticalSummary {
@Since("1.0.0")
def count: Long
+ def numParam: Int
--- End diff --
Needs scaladoc and since
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