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https://issues.apache.org/jira/browse/HIVEMALL-280?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16983838#comment-16983838
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Makoto Yui commented on HIVEMALL-280:
-------------------------------------
[~dharmikt]
"A, B, A_count, B_count, AB_count, tx_total" is required to compute
support/confidence/lift. Thus, I think "product 1, product 2, number of tx" is
not enough.
> Support lift/confidence/support UDF
> -----------------------------------
>
> Key: HIVEMALL-280
> URL: https://issues.apache.org/jira/browse/HIVEMALL-280
> Project: Hivemall
> Issue Type: New Feature
> Reporter: Makoto Yui
> Assignee: Makoto Yui
> Priority: Minor
>
> Support lift/confidence/support UDAF
> [https://en.wikipedia.org/wiki/Lift_(data_mining])
> [https://towardsdatascience.com/a-gentle-introduction-on-market-basket-analysis-association-rules-fa4b986a40ce]
> [https://medium.com/@samratjain/explained-market-basket-analysis-using-sql-a7434f30e649]
> {code:java}
> select
> item, other_item,
> lift(...) as lift,
> confidence (....) as confidence
> from
> transaction
> group by
> 1, 2{code}
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