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https://issues.apache.org/jira/browse/SPARK-3702?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14149974#comment-14149974
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Joseph K. Bradley commented on SPARK-3702:
------------------------------------------

The design doc is only partly written, and I am still writing up prototypes for 
 [~mengxr]'s [github repo with prototypes of the new API | 
https://github.com/mengxr/spark-ml].  Feedback welcome, especially since this 
will hopefully cover a lot of learning settings!

> Standardize MLlib classes for learners, models
> ----------------------------------------------
>
>                 Key: SPARK-3702
>                 URL: https://issues.apache.org/jira/browse/SPARK-3702
>             Project: Spark
>          Issue Type: Sub-task
>          Components: MLlib
>            Reporter: Joseph K. Bradley
>            Priority: Blocker
>
> Summary: Create a class hierarchy for learning algorithms and the models 
> those algorithms produce.
> Goals:
> * give intuitive structure to API, both for developers and for generated 
> documentation
> * support meta-algorithms (e.g., boosting)
> * support generic functionality (e.g., evaluation)
> * reduce code duplication across classes
> [Design doc for class hierarchy | 
> https://docs.google.com/document/d/1I-8PD0DSLEZzzXURYZwmqAFn_OMBc08hgDL1FZnVBmw/]



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