[SPARK-11029] Add computeCost to KMeansModel in spark.ml

• Type: New Feature
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.6.0
• Component/s: ML
• Target Version/s: 1.6.0
• Assignee: yuhao yang
• Reporter: Joseph K. Bradley
• Shepherd: Joseph K. Bradley
• Created: 09/Oct/15 17:42
• Updated: 17/Oct/15 17:04
• Resolved: 17/Oct/15 17:04

Description

We should add a method analogous to spark.mllib.clustering.KMeansModel.computeCost to spark.ml.clustering.KMeansModel.

This will be a temp fix until we have proper evaluators defined for clustering.

Issue Links

• supercedes: SPARK-11015 Add computeCost and clusterCenters to KMeansModel in spark.ml package
• links to: [Github] Pull Request #9073 (hhbyyh)