[SPARK-22531] Migrate the implementation of IDF from MLLib to ML

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Duplicate
• Affects Version/s: 2.2.0
• Component/s: ML, MLlib
• Labels: bulk-closed
• Assignee: Unassigned
• Reporter: Jorge Sanchez
• Created: 15/Nov/17 21:14
• Updated: 20/Aug/19 11:44
• Resolved: 20/Aug/19 11:44

Description

Migrate the implementation of IDF from MLLib to ML in order to avoid converting from ML vectors to MLLib vectors and back.

This Jira ticket is similar to SPARK-21748.

Issue Links

• duplicates: SPARK-28159 Make the transform natively in ml framework to avoid extra conversion
• links to: [Github] Pull Request #19759 (flowcont)
• links to: GitHub Pull Request #19759