Github user sethah commented on a diff in the pull request: https://github.com/apache/spark/pull/11119#discussion_r83514617 --- Diff: mllib/src/main/scala/org/apache/spark/ml/clustering/KMeans.scala --- @@ -303,6 +313,23 @@ class KMeans @Since("1.5.0") ( @Since("1.5.0") def setSeed(value: Long): this.type = set(seed, value) + /** @group setParam */ + @Since("2.1.0") + def setInitialModel(value: KMeansModel): this.type = { + val kOfInitialModel = value.parentModel.clusterCenters.length + if (isSet(k)) { + if ($(k) != kOfInitialModel) { + set(k, kOfInitialModel) + logWarning(s"Param K is set to $kOfInitialModel by the initialModel." + --- End diff -- The previous value is lost because you set it before logging this warning. Need to reorder the code.
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