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| author | MechCoder <manojkumarsivaraj334@gmail.com> | 2015-04-13 15:36:33 -0700 |
|---|---|---|
| committer | Joseph K. Bradley <joseph@databricks.com> | 2015-04-13 15:36:33 -0700 |
| commit | 2a55cb41bf7da1786be2c76b8af398da8fedb44b (patch) | |
| tree | 0266cd957b8503144f0a038f180686b4869ccc1c /streaming | |
| parent | 3a205bbd9e352668a020c3146391e1e4441467af (diff) | |
| download | spark-2a55cb41bf7da1786be2c76b8af398da8fedb44b.tar.gz spark-2a55cb41bf7da1786be2c76b8af398da8fedb44b.tar.bz2 spark-2a55cb41bf7da1786be2c76b8af398da8fedb44b.zip | |
[SPARK-5972] [MLlib] Cache residuals and gradient in GBT during training and validation
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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