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https://issues.apache.org/jira/browse/SPARK-9698?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14661114#comment-14661114
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Apache Spark commented on SPARK-9698:
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User 'ericl' has created a pull request for this issue:
https://github.com/apache/spark/pull/7987
> Add feature interaction as a transformer
> ----------------------------------------
>
> Key: SPARK-9698
> URL: https://issues.apache.org/jira/browse/SPARK-9698
> Project: Spark
> Issue Type: New Feature
> Components: ML
> Reporter: Xiangrui Meng
> Assignee: Eric Liang
>
> Add feature interaction as a transformer, which takes a list of vector/double
> columns, and generate a single vector column that contains the interactions
> (multiplication) among them with proper handling of feature names.
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