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From "Joseph K. Bradley (JIRA)" <j...@apache.org>
Subject [jira] [Created] (SPARK-5436) Validate GradientBoostedTrees during training
Date Tue, 27 Jan 2015 21:49:34 GMT
Joseph K. Bradley created SPARK-5436:
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             Summary: Validate GradientBoostedTrees during training
                 Key: SPARK-5436
                 URL: https://issues.apache.org/jira/browse/SPARK-5436
             Project: Spark
          Issue Type: Improvement
          Components: MLlib
    Affects Versions: 1.3.0
            Reporter: Joseph K. Bradley


For Gradient Boosting, it would be valuable to compute test error on a separate validation
set during training.  That way, training could stop early based on the test error (or some
other metric specified by the user).



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