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https://issues.apache.org/jira/browse/SPARK-18822?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15881098#comment-15881098
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Joseph K. Bradley commented on SPARK-18822:
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How's this going? Just checking in; I know there's a lot going on elsewhere
too.
> Support ML Pipeline in SparkR
> -----------------------------
>
> Key: SPARK-18822
> URL: https://issues.apache.org/jira/browse/SPARK-18822
> Project: Spark
> Issue Type: New Feature
> Components: ML, SparkR
> Reporter: Felix Cheung
>
> From Joseph Bradley:
> "
> Supporting Pipelines and advanced use cases: There really needs to be more
> design discussion around SparkR. Felix Cheung would you be interested in
> leading some discussion? I'm envisioning something similar to what was done a
> while back for Pipelines in Scala/Java/Python, where we consider several use
> cases of MLlib: fitting a single model, creating and tuning a complex
> Pipeline, and working with multiple languages. That should help inform what
> APIs should look like in Spark R.
> "
> Certain ML model, such as OneVsRest, is harder to represent in a single call
> R API. Having advanced API or Pipeline API like this could help to expose
> that to our users.
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