[jira] [Created] (SPARK-29258) parity between ml.evaluator and mllib.metrics

[zhengruifeng (Jira)]

zhengruifeng created SPARK-29258:
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             Summary: parity between ml.evaluator and mllib.metrics
                 Key: SPARK-29258
                 URL: https://issues.apache.org/jira/browse/SPARK-29258
             Project: Spark
          Issue Type: Improvement
          Components: ML, PySpark
    Affects Versions: 3.0.0
            Reporter: zhengruifeng


1, expose {{BinaryClassificationMetrics.numBins}} in 
{{BinaryClassificationEvaluator}}

2, expose {{RegressionMetrics.throughOrigin}} in {{RegressionEvaluator}}

3, add metric {{explainedVariance}} in {{RegressionEvaluator}}



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