Uploaded image for project: 'Spark'
  1. Spark
  2. SPARK-8534

Gini for regression metrics and evaluator

    XMLWordPrintableJSON

Details

    • New Feature
    • Status: Resolved
    • Minor
    • Resolution: Incomplete
    • None
    • None
    • ML, MLlib

    Description

      One common metric we do not have in RegressionMetrics or RegressionEvaluator is Gini: https://www.kaggle.com/wiki/Gini

      Implementing (normalized) Gini would be nice. However, it might be expensive; I believe it would require sorting the labels.

      Attachments

        Issue Links

          is related to

          Improvement - An improvement or enhancement to an existing feature or task. SPARK-10496 Efficient DataFrame cumulative sum

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

          Activity

            People

              Unassigned Unassigned
              josephkb Joseph K. Bradley
              Votes:
              0 Vote for this issue
              Watchers:
              5 Start watching this issue

              Dates

                Created:
                Updated:
                Resolved: