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  1. Spark
  2. SPARK-4583

GradientBoostedTrees error logging should use loss being minimized

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    Details

    • Type: Improvement
    • Status: Resolved
    • Priority: Minor
    • Resolution: Fixed
    • Affects Version/s: 1.2.0
    • Fix Version/s: 1.2.0
    • Component/s: MLlib
    • Labels:
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    • Target Version/s:

      Description

      Currently, the LogLoss used by GradientBoostedTrees has 2 issues:

      • the gradient (and therefore loss) does not match that used by Friedman (1999)
      • the error computation uses 0/1 accuracy, not log loss

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            • Assignee:
              josephkb Joseph K. Bradley
              Reporter:
              josephkb Joseph K. Bradley
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              • Created:
                Updated:
                Resolved: