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From "Joseph K. Bradley (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-9715) Store numFeatures in all ML PredictionModel types
Date Wed, 09 Sep 2015 01:15:45 GMT

    [ https://issues.apache.org/jira/browse/SPARK-9715?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14735938#comment-14735938
] 

Joseph K. Bradley commented on SPARK-9715:
------------------------------------------

Sounds good.  The main issue is that, for backwards compatibility, you'll need to provide
a default value.  That should probably be -1, and documented.  Thanks!

> Store numFeatures in all ML PredictionModel types
> -------------------------------------------------
>
>                 Key: SPARK-9715
>                 URL: https://issues.apache.org/jira/browse/SPARK-9715
>             Project: Spark
>          Issue Type: Improvement
>          Components: ML
>            Reporter: Joseph K. Bradley
>            Priority: Minor
>
> The PredictionModel abstraction should store numFeatures.  Currently, only RandomForest*
types do this.



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