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  1. Spark
  2. SPARK-12810

PySpark CrossValidatorModel should support avgMetrics

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Details

    • Improvement
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • None
    • 2.0.0
    • ML, PySpark

    Description

      The

      {CrossValidator}

      in Scala supports

      {avgMetrics}

      since 1.5.0, which allows the user to evaluate how well each

      {ParamMap}

      in the grid search performed and identify the best parameters. We should support this in PySpark as well.

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        Issue Links

          is duplicated by

          Improvement - An improvement or enhancement to an existing feature or task. SPARK-11223 PySpark CrossValidatorModel does not output metrics for every param in paramGrid

          • Minor - Minor loss of function, or other problem where easy workaround is present.
          • Resolved
          is related to

          Umbrella - An overarching type made of sub-tasks SPARK-11937 Python API coverage check found issues for ML during 1.6 QA

          • Major - Major loss of function.
          • Closed
          relates to

          Improvement - An improvement or enhancement to an existing feature or task. SPARK-14978 PySpark TrainValidationSplitModel should support validationMetrics

          • Major - Major loss of function.
          • Resolved
          links to

          Pull request #12464 [Github] Pull Request #12464 (vectorijk)

          Activity

            People

              vectorijk Kai Jiang
              fliang Feynman Liang
              Joseph K. Bradley Joseph K. Bradley
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              Dates

                Created:
                Updated:
                Resolved: