Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/22756#discussion_r226141315
--- 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 --
It looks reasonable to me to deprecate it in 2.4 so that we can remove it
in 3.0, if this is the last one. Then we can have a consistent ML API in 3.0
after removing these deprecated APIs.
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