[SPARK-30630] Deprecate numTrees in GBT at 2.4.5 and remove it at 3.0.0

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 2.4.5, 3.0.0
• Fix Version/s: 2.4.5, 3.0.0
• Component/s: ML
• Assignee: Huaxin Gao
• Reporter: Huaxin Gao
• Created: 24/Jan/20 05:52
• Updated: 29/Jan/20 14:27
• Resolved: 24/Jan/20 20:14

Description

Currently, GBT has

/**
 * Number of trees in ensemble
 */
@Since("2.0.0")
val getNumTrees: Int = trees.length

and

/** Number of trees in ensemble */
val numTrees: Int = trees.length

I will deprecate numTrees in 2.4.5 and remove it in 3.0.0

Issue Links

• links to: GitHub Pull Request #27330
• links to: GitHub Pull Request #27352