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From "yuhao yang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (SPARK-18724) Add TuningSummary for TrainValidationSplit
Date Mon, 05 Dec 2016 22:05:58 GMT
yuhao yang created SPARK-18724:
----------------------------------

             Summary: Add TuningSummary for TrainValidationSplit
                 Key: SPARK-18724
                 URL: https://issues.apache.org/jira/browse/SPARK-18724
             Project: Spark
          Issue Type: Improvement
          Components: ML
            Reporter: yuhao yang
            Priority: Minor


Currently TrainValidationSplitModel only provides tuning metrics in the format of Array[Double],
which makes it harder for tying the metrics back to the paramMap generating them and affects
the usefulness for the tuning framework.

Add a Tuning Summary to provide better presentation for the tuning metrics, for now the idea
is to use a DataFrame listing all the params and corresponding metrics.

The Tuning Summary Class can be further extended for CrossValidator.



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