Github user jkbradley commented on a diff in the pull request:
https://github.com/apache/spark/pull/16355#discussion_r96528212
--- Diff:
mllib/src/test/scala/org/apache/spark/ml/clustering/BisectingKMeansSuite.scala
---
@@ -51,6 +54,18 @@ class BisectingKMeansSuite
assert(copiedModel.hasSummary)
}
+ test("SPARK-16473: Verify Bisecting K-Means does not fail in edge case
where" +
+ "one cluster is empty after split") {
+ val bkm = new
BisectingKMeans().setK(k).setMinDivisibleClusterSize(4).setMaxIter(4)
--- End diff --
Please set the seed too since this test seems at risk of flakiness
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