Github user dongjoon-hyun commented on a diff in the pull request:
https://github.com/apache/spark/pull/22756#discussion_r226129280
--- Diff:
mllib/src/main/scala/org/apache/spark/ml/clustering/BisectingKMeans.scala ---
@@ -125,8 +125,13 @@ class BisectingKMeansModel private[ml] (
/**
* Computes the sum of squared distances between the input points and
their corresponding cluster
* centers.
+ *
+ * @deprecated This method is deprecated and will be removed in 3.0.0.
Use ClusteringEvaluator
+ * instead. You can also get the cost on the training
dataset in the summary.
*/
@Since("2.0.0")
+ @deprecated("This method is deprecated and will be removed in 3.0.0. Use
ClusteringEvaluator " +
--- End diff --
I'm wondering if this PR is a blocker for Spark 2.4. According to JIRA
desciption (Improvement/Minor), we cannot remove this 3.0.0 because we didn't
announce deprecation before 3.0.0.
cc @cloud-fan since he is a release manager.
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