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From "Miao Wang (JIRA)" <>
Subject [jira] [Commented] (SPARK-14900) classification metrics should include accuracy
Date Wed, 04 May 2016 17:20:13 GMT


Miao Wang commented on SPARK-14900:

Yes, "accuracy" makes more sense for binary classification problems. I will create a JIRA
for it and work on it.

For the MulticalssMetrics, I will make changes to deprecate "precision" by accuracy.

> classification metrics should include accuracy
> -------------------------------------------------------
>                 Key: SPARK-14900
>                 URL:
>             Project: Spark
>          Issue Type: New Feature
>          Components: ML
>            Reporter: Joseph K. Bradley
>            Priority: Minor
> To compute "accuracy" (0/1 classification accuracy), users can use {{precision}} in MulticlassMetrics
and MulticlassClassificationEvaluator.metricName.  We should also support "accuracy" directly
as an alias to help users familiar with that name.

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