Hi, Design flaw: Min-max values should never be negative - I think DHIS 1 had 0 as the lowest relevant value since the start back in the late 90's. Easy to implement...
Regards Calle On 18 September 2015 at 12:18, jason.p.pickering <1065...@bugs.launchpad.net > wrote: > Not a bug per se, but as you note but rather the nature of the min/max > value generation algorithm, which is based on a number of standard > deviations from the mean of the data values. > > Work around is to specify the min/max values your self according to your > own custom algorithm. > > ** Changed in: dhis2 > Status: New => Opinion > > -- > You received this bug notification because you are a member of DHIS 2 > developers, which is subscribed to DHIS. > https://bugs.launchpad.net/bugs/1065014 > > Title: > Min/Max generation goes into negative > > Status in DHIS: > Opinion > > Bug description: > A very minor bug, but the min/max generation algorithm (which I assume > is some std. dev) sometimes leads the minimum to be a negative number. > Probably not an issue per se for data quality, as the alternative > would be to set it to 0 (unless there is a reason why you would enter > negative numbers), but the chart you get when you double-click a data > entry field is then skewed and does not look very sensible. In extreme > cases, with a few very high values and a few months with very low (as > when you have campaigns or hand-outs), the minimum can be down to > minus a lot. > > To manage notifications about this bug go to: > https://bugs.launchpad.net/dhis2/+bug/1065014/+subscriptions > > _______________________________________________ > Mailing list: https://launchpad.net/~dhis2-devs > Post to : dhis2-devs@lists.launchpad.net > Unsubscribe : https://launchpad.net/~dhis2-devs > More help : https://help.launchpad.net/ListHelp > -- ******************************************* Calle Hedberg 46D Alma Road, 7700 Rosebank, SOUTH AFRICA Tel/fax (home): +27-21-685-6472 Cell: +27-82-853-5352 Iridium SatPhone: +8816-315-19119 Email: calle.hedb...@gmail.com Skype: calle_hedberg *******************************************
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