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https://issues.apache.org/jira/browse/SPARK-15027?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15265228#comment-15265228
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Nick Pentreath commented on SPARK-15027:
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[~mengxr] are you intending this to be a more "superficial" change (as in,
change the signature of train to take a Dataset, but still operate on RDDs
inside the method), or try to have the entire algorithm operate on Dataset?
> ALS.train should use DataFrame instead of RDD
> ---------------------------------------------
>
> Key: SPARK-15027
> URL: https://issues.apache.org/jira/browse/SPARK-15027
> Project: Spark
> Issue Type: Improvement
> Components: ML, PySpark
> Affects Versions: 2.0.0
> Reporter: Xiangrui Meng
> Assignee: Xiangrui Meng
>
> This continue the work from SPARK-14412 to update
> `intermediateRDDStorageLevel` to `intermediateStorageLevel`, and
> `finalRDDStorageLevel` to `finalStoargeLevel`. We should also update
> `ALS.train` to use `Dataset` instead of `RDD`.
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