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| author | MechCoder <manojkumarsivaraj334@gmail.com> | 2015-03-20 17:14:09 -0700 |
|---|---|---|
| committer | Joseph K. Bradley <joseph@databricks.com> | 2015-03-20 17:14:09 -0700 |
| commit | 25e271d9fbb3394931d23822a1b2020e9d9b46b3 (patch) | |
| tree | 4fbb4b1b3b4406c2d1d54470aed8d3ee7968e0de /docs/scala-programming-guide.md | |
| parent | a95043b1780bfde556db2dcc01511e40a12498dd (diff) | |
| download | spark-25e271d9fbb3394931d23822a1b2020e9d9b46b3.tar.gz spark-25e271d9fbb3394931d23822a1b2020e9d9b46b3.tar.bz2 spark-25e271d9fbb3394931d23822a1b2020e9d9b46b3.zip | |
[SPARK-6025] [MLlib] Add helper method evaluateEachIteration to extract learning curve
Added evaluateEachIteration to allow the user to manually extract the error for each iteration of GradientBoosting. The internal optimisation can be dealt with later.
Author: MechCoder <manojkumarsivaraj334@gmail.com>
Closes #4906 from MechCoder/spark-6025 and squashes the following commits:
67146ab [MechCoder] Minor
352001f [MechCoder] Minor
6e8aa10 [MechCoder] Made the following changes Used mapPartition instead of map Refactored computeError and unpersisted broadcast variables
bc99ac6 [MechCoder] Refactor the method and stuff
dbda033 [MechCoder] [SPARK-6025] Add helper method evaluateEachIteration to extract learning curve
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