[SPARK-22690] Imputer inherit HasOutputCols

• Type: Improvement
• Status: Resolved
• Priority: Trivial
• Resolution: Fixed
• Affects Version/s: 2.3.0
• Fix Version/s: 2.3.0
• Component/s: ML
• Assignee: Ruifeng Zheng
• Reporter: Ruifeng Zheng
• Created: 05/Dec/17 07:20
• Updated: 07/Dec/17 14:03
• Resolved: 07/Dec/17 14:03

Description

trait HasOutputCols was add in Spark-20542, Imputer should also inherit it.

Issue Links

• links to: [Github] Pull Request #19889 (zhengruifeng)