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https://issues.apache.org/jira/browse/SPARK-23742?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16564858#comment-16564858
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yuhao yang commented on SPARK-23742:
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The redundant rule may have different confidence and support.
> Filter out redundant AssociationRules
> -------------------------------------
>
> Key: SPARK-23742
> URL: https://issues.apache.org/jira/browse/SPARK-23742
> Project: Spark
> Issue Type: Improvement
> Components: ML
> Affects Versions: 2.3.0
> Reporter: Joseph K. Bradley
> Priority: Major
>
> AssociationRules can generate redundant rules such as:
> * (A) => C
> * (A,B) => C (redundant)
> It should optionally filter out redundant rules. It'd be nice to have it
> optional (but maybe defaulting to filtering) so that users could compare the
> confidences of more general vs. more specific rules.
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