2a55cb41bf
The previous PR https://github.com/apache/spark/pull/4906 helped to extract the learning curve giving the error for each iteration. This continues the work refactoring some code and extending the same logic during training and validation. Author: MechCoder <manojkumarsivaraj334@gmail.com> Closes #5330 from MechCoder/spark-5972 and squashes the following commits: 0b5d659 [MechCoder] minor 32d409d [MechCoder] EvaluateeachIteration and training cache should follow different paths d542bb0 [MechCoder] Remove unused imports and docs 58f4932 [MechCoder] Remove unpersist 70d3b4c [MechCoder] Broadcast for each tree 5869533 [MechCoder] Access broadcasted values locally and other minor changes 923dbf6 [MechCoder] [SPARK-5972] Cache residuals and gradient in GBT during training and validation |
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