Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/20396#discussion_r163940508
--- Diff:
mllib/src/main/scala/org/apache/spark/ml/evaluation/ClusteringEvaluator.scala
---
@@ -111,6 +129,53 @@ object ClusteringEvaluator
}
+private[evaluation] class Silhouette {
--- End diff --
should this be abstract?
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