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[SPARK-14284][ML] KMeansSummary deprecating size; adding clusterSizes #12084

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[SPARK-14284][ML] KMeansSummary deprecating size; adding clusterSizes #12084

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dd5fda5
KMeansSummary : deprecating size, adding clusterSizes
shallys Mar 31, 2016
ccdfc1c
KMeansSummary : deprecating size, adding clusterSizes
shallys Mar 31, 2016
332aa16
KMeansSummary : renaming size to clusterSizes
shallys Mar 31, 2016
6d475a8
Adding clusterSizes to KMeansWrapper and mllib.R
shallys Apr 1, 2016
374731b
Merge remote-tracking branch 'upstream/master'
shallys Apr 1, 2016
5edb176
Adding clusterSizes to KMeansWrapper
shallys Apr 1, 2016
b543b5a
Merge remote-tracking branch 'upstream/master'
shallys Apr 5, 2016
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3 changes: 2 additions & 1 deletion mllib/src/main/scala/org/apache/spark/ml/clustering/KMeans.scala
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Expand Up @@ -299,7 +299,8 @@ class KMeansSummary private[clustering] (
* Size of each cluster.
*/
@Since("2.0.0")
lazy val size: Array[Int] = cluster.rdd.map {
lazy val clusterSizes: Array[Int] = cluster.rdd.map {
case Row(clusterIdx: Int) => (clusterIdx, 1)
}.reduceByKey(_ + _).collect().sortBy(_._1).map(_._2)

}
2 changes: 1 addition & 1 deletion mllib/src/main/scala/org/apache/spark/ml/r/KMeansWrapper.scala
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Expand Up @@ -37,7 +37,7 @@ private[r] class KMeansWrapper private (

lazy val k: Int = kMeansModel.getK

lazy val size: Array[Int] = kMeansModel.summary.size
lazy val size: Array[Int] = kMeansModel.summary.clusterSizes

lazy val cluster: DataFrame = kMeansModel.summary.cluster

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