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From "Peng Meng (JIRA)" <j...@apache.org>
Subject [jira] [Created] (SPARK-17505) Add setBins for BinaryClassificationMetrics in mlllb/evaluation
Date Mon, 12 Sep 2016 11:05:20 GMT
Peng Meng created SPARK-17505:
---------------------------------

             Summary: Add setBins for BinaryClassificationMetrics in mlllb/evaluation
                 Key: SPARK-17505
                 URL: https://issues.apache.org/jira/browse/SPARK-17505
             Project: Spark
          Issue Type: Improvement
          Components: MLlib
            Reporter: Peng Meng
            Priority: Minor


Add a setBins method for BinaryClassificationMetrics.
BinaryClassificationMetrics is a class in mllib/Evaluation. numBins is a key attribute of
it. If numBins greater than 0, then the curves (ROC curve, PR curve) computed internally will
be down-sampled to this many "bins". 
It is useful to let the user set the numBins.



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