On Mon, May 3, 2010 at 2:03 PM, Friedman, Roger (CDC/OID/NCHHSTP) (CTR) < [email protected]> wrote:
> How do booleans aggregate (a) across time periods; (b) up the > organizational tree. The answer for (b) appears to be OR, was hoping for > COUNT. > > Hi, it depends on the aggregation operator for the relevant data element. If SUM, then its count. If AVG, then its the percentage of true's. Lars > _______________________________________________ > Mailing list: https://launchpad.net/~dhis2-users > Post to : [email protected] > Unsubscribe : https://launchpad.net/~dhis2-users > More help : https://help.launchpad.net/ListHelp > >
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