Github user yu-iskw commented on the pull request:
https://github.com/apache/spark/pull/5267#issuecomment-92547494
@freeman-lab, do you know any good evaluations of a hierarchical clustering
algorithm except Within Set Sumb of Squared Error(WSSSE)? For example, I know
Silhouette Coefficient is a evaluation for it. However, I thinks it is hard to
implement as a distributed processing.
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