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https://issues.apache.org/jira/browse/SPARK-7047?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14527856#comment-14527856
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Xiangrui Meng edited comment on SPARK-7047 at 5/5/15 3:43 AM:
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I think it should be sufficient to use `null`. Adding `hasParent` sounds good
to me. We can also mark `parent` transient so it doesn't get serialized.
was (Author: mengxr):
I think it should be sufficient to use `null`. Adding `hasParent` sounds good
to me.
> Model parent should be Optional
> -------------------------------
>
> Key: SPARK-7047
> URL: https://issues.apache.org/jira/browse/SPARK-7047
> Project: Spark
> Issue Type: Improvement
> Components: ML
> Affects Versions: 1.4.0
> Reporter: Joseph K. Bradley
> Assignee: Joseph K. Bradley
> Priority: Minor
>
> Ensembles' component Models have no parents. Instead of making those values
> null, we should make them Options.
> For Python, "None" is probably the correct equivalent.
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