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Posted to issues@spark.apache.org by "Hyukjin Kwon (JIRA)" <ji...@apache.org> on 2019/05/21 04:01:20 UTC
[jira] [Updated] (SPARK-18724) Add TuningSummary for
TrainValidationSplit and CountVectorizer
[ https://issues.apache.org/jira/browse/SPARK-18724?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Hyukjin Kwon updated SPARK-18724:
---------------------------------
Labels: bulk-closed (was: )
> Add TuningSummary for TrainValidationSplit and CountVectorizer
> --------------------------------------------------------------
>
> Key: SPARK-18724
> URL: https://issues.apache.org/jira/browse/SPARK-18724
> Project: Spark
> Issue Type: Improvement
> Components: ML
> Reporter: yuhao yang
> Priority: Minor
> Labels: bulk-closed
>
> 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.
> Refer to https://issues.apache.org/jira/browse/SPARK-18704 for more related discussion
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