[SPARK-7912] Make OneHotEncoder more optimistic about the input

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.4.0
• Fix Version/s: 1.4.0
• Component/s: ML
• Target Version/s: 1.4.0
• Assignee: Xiangrui Meng
• Reporter: Xiangrui Meng
• Created: 28/May/15 04:33
• Updated: 29/May/15 07:51
• Resolved: 29/May/15 07:51

Description

OneHotEncoder should be more robust on input. If the input column doesn't have ML attribute. We should make scan its values and generate one.

Issue Links

• relates to: SPARK-5888 Add OneHotEncoder as a Transformer
• links to: [Github] Pull Request #6466 (mengxr)