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From "yuhao yang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-23742) Filter out redundant AssociationRules
Date Wed, 01 Aug 2018 07:10:00 GMT

    [ https://issues.apache.org/jira/browse/SPARK-23742?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16564858#comment-16564858
] 

yuhao yang commented on SPARK-23742:
------------------------------------

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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