Github user mengxr commented on a diff in the pull request:
https://github.com/apache/spark/pull/4301#discussion_r23941402
--- Diff:
mllib/src/main/scala/org/apache/spark/mllib/clustering/PowerIterationClustering.scala
---
@@ -70,6 +72,17 @@ class PowerIterationClustering private[clustering] (
}
/**
+ * Set the initialization method
+ */
+ def setInitialization(method: String): this.type = {
+ this.initMethod = method match {
+ case "random" | "degree" => method
+ case _ => throw new IllegalArgumentException("Incorrect
initialization method")
--- End diff --
Include `method` in the error message.
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