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https://issues.apache.org/jira/browse/SPARK-6158?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14347378#comment-14347378
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Joseph K. Bradley commented on SPARK-6158:
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I'm also not clear on what you're saying about multiple object creations. The
GradientBoostedTrees object is a static object which is only created once. Do
you mean instances of some class?
> Move private method boost in GradientBoostedTrees from Object to Class
> ----------------------------------------------------------------------
>
> Key: SPARK-6158
> URL: https://issues.apache.org/jira/browse/SPARK-6158
> Project: Spark
> Issue Type: Improvement
> Components: MLlib
> Reporter: Manoj Kumar
> Priority: Minor
>
> 1. a] When an instance of GradientBoostedTrees class is called and run, the
> boost method in the GradientBoostedTrees object is called ultimately. b] When
> a GradientBoostedTrees object is created and train is called, an instance of
> GradientBoostedTrees is created internally and this calls the boost method in
> a newly instantiated GradientBoostedTrees object which is confusing!
> 2. I require the finally trained models in the private method boost, for this
> (https://issues.apache.org/jira/browse/SPARK-6025) (to prevent repeated
> training). Thus it makes sense to move boost to the class
> GradientBoostedTrees where runWithValidation is already present.
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