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https://issues.apache.org/jira/browse/SPARK-7115?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14510620#comment-14510620
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Apache Spark commented on SPARK-7115:
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User 'mengxr' has created a pull request for this issue:
https://github.com/apache/spark/pull/5681
> Do not output 1 in PolynomialExpansion
> --------------------------------------
>
> Key: SPARK-7115
> URL: https://issues.apache.org/jira/browse/SPARK-7115
> Project: Spark
> Issue Type: Improvement
> Components: ML
> Affects Versions: 1.4.0
> Reporter: Xiangrui Meng
> Assignee: Xiangrui Meng
> Priority: Minor
>
> 1 is included in the output in the current implementation. We should skip the
> first element in the expansion.
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