Github user srowen commented on a diff in the pull request: https://github.com/apache/spark/pull/23072#discussion_r237330636 --- Diff: docs/ml-clustering.md --- @@ -265,3 +265,44 @@ Refer to the [R API docs](api/R/spark.gaussianMixture.html) for more details. </div> </div> + +## Power Iteration Clustering (PIC) + +Power Iteration Clustering (PIC) is a scalable graph clustering algorithm --- End diff -- Pardon, I'm catching up -- why just commit this doc to 2.4 and not master?
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