Github user jkbradley commented on a diff in the pull request:
https://github.com/apache/spark/pull/6737#discussion_r33600204
--- Diff:
mllib/src/main/scala/org/apache/spark/mllib/clustering/KMeans.scala ---
@@ -156,6 +156,23 @@ class KMeans private (
this
}
+ // Initial cluster centers can be provided as a KMeansModel object
rather than using the
+ // random or k-means|| initializationMode
+ private var initialModel: Option[KMeansModel] = None
+
+ /**
+ * Set the initial starting point, bypassing the random initialization
or k-means||
+ * The condition model.k == this.k must be met, and only one run is
allowed;
+ * failure in either case will result in an IllegalArgumentException.
+ */
+ def setInitialModel(model: KMeansModel): this.type = {
+ require(model.k == k, "mismatched cluster count")
+ this.setRuns(1)
--- End diff --
Remove this line please. Let's leave the value set to 1, and just ignore
it.
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