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https://issues.apache.org/jira/browse/SPARK-2768?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14080715#comment-14080715
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Apache Spark commented on SPARK-2768:
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User 'srowen' has created a pull request for this issue:
https://github.com/apache/spark/pull/1687
> Add product, user recommend method to MatrixFactorizationModel
> --------------------------------------------------------------
>
> Key: SPARK-2768
> URL: https://issues.apache.org/jira/browse/SPARK-2768
> Project: Spark
> Issue Type: Improvement
> Components: MLlib
> Affects Versions: 1.0.1
> Reporter: Sean Owen
> Priority: Minor
>
> Right now, MatrixFactorizationModel can only predict a score for one or more
> (user,product) tuples. As a comment in the file notes, it would be more
> useful to expose a recommend method, that computes top N scoring products for
> a user (or vice versa -- users for a product).
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