[SPARK-7446] Inverse transform for StringIndexer

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 1.4.0
• Fix Version/s: 1.5.0
• Component/s: ML
• Target Version/s: 1.5.0
• Assignee: Holden Karau
• Reporter: Xiangrui Meng
• Shepherd: Joseph K. Bradley
• Created: 07/May/15 18:48
• Updated: 01/Aug/15 08:10
• Resolved: 01/Aug/15 08:09

Description

It is useful to convert the encoded indices back to their string representation for result inspection. We can add a parameter to StringIndexer/StringIndexModel for this.

Issue Links

• Is contained by: SPARK-8521 Feature Transformers in 1.5
• links to: [Github] Pull Request #6339 (holdenk)