[SPARK-15945] Implement conversion utils in Scala/Java

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.0.0
• Component/s: ML, MLlib
• Target Version/s: 2.0.0
• Assignee: Xiangrui Meng
• Reporter: Xiangrui Meng
• Created: 14/Jun/16 15:15
• Updated: 15/Jun/16 02:11
• Resolved: 15/Jun/16 02:11

Description

This is to provide conversion utils between old/new vector columns in a DataFrame. So users can use it to migrate their datasets and pipelines manually.

Issue Links

• blocks: SPARK-15946 Wrap the conversion utils in Python
• links to: [Github] Pull Request #13662 (mengxr)