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Posted to issues@madlib.apache.org by "Frank McQuillan (JIRA)" <ji...@apache.org> on 2017/08/23 22:44:00 UTC

[jira] [Updated] (MADLIB-1056) Add filtering options to Apriori to improve performance

     [ https://issues.apache.org/jira/browse/MADLIB-1056?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Frank McQuillan updated MADLIB-1056:
------------------------------------
    Fix Version/s:     (was: v2.0)
                   v2.1

> Add filtering options to Apriori to improve performance
> -------------------------------------------------------
>
>                 Key: MADLIB-1056
>                 URL: https://issues.apache.org/jira/browse/MADLIB-1056
>             Project: Apache MADlib
>          Issue Type: Improvement
>          Components: Module: Association Rules
>            Reporter: Frank McQuillan
>             Fix For: v2.1
>
>
> Consider adding something like a WHERE clause for LHS and RHS in order to reduce execution time, but still need the existence of the filtered transactions for support and confidence computation. (That is you can't filter them out ahead of time because would skew support and confidence values.)



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