[SPARK-33111] aft transform optimization

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 3.1.0
• Fix Version/s: 3.1.0
• Component/s: ML
• Assignee: Ruifeng Zheng
• Reporter: Ruifeng Zheng
• Created: 10/Oct/20 10:55
• Updated: 14/Oct/20 10:02
• Resolved: 12/Oct/20 14:01

Description

when predictionCol and quantilesCol are both set, we only need one computation for each row

Issue Links

• links to: [Github] Pull Request #30000 (zhengruifeng)
• links to: [Github] Pull Request #30000 (zhengruifeng)
• links to: [Github] Pull Request #30034 (zhengruifeng)