Github user viirya commented on a diff in the pull request: https://github.com/apache/spark/pull/21119#discussion_r184838848 --- Diff: mllib/src/main/scala/org/apache/spark/ml/clustering/PowerIterationClustering.scala --- @@ -97,13 +97,15 @@ private[clustering] trait PowerIterationClusteringParams extends Params with Has def getNeighborsCol: String = $(neighborsCol) /** - * Param for the name of the input column for neighbors in the adjacency list representation. + * Param for the name of the input column for non-negative weights (similarities) of edges + * between the vertex in `idCol` and each neighbor in `neighborsCol`. --- End diff -- Good catch!
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