Github user mengxr commented on a diff in the pull request:
https://github.com/apache/spark/pull/21218#discussion_r187187071
--- Diff:
mllib/src/main/scala/org/apache/spark/ml/clustering/BisectingKMeans.scala ---
@@ -278,6 +279,7 @@ class BisectingKMeans @Since("2.0.0") (
val summary = new BisectingKMeansSummary(
model.transform(dataset), $(predictionCol), $(featuresCol), $(k))
model.setSummary(Some(summary))
+ instr.logNamedValue("clusterSizes", summary.clusterSizes.mkString(",
"))
--- End diff --
sg. @ludatabricks could you update the value to `mkString("[", ",", "]")`
for now and leave a TODO to extend `logNamedValue`?
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