Hi Uwe, I agree very much that it would be very useful to be able to auto-generate indicators that respect the dimensions, although that would only work if you have exactly one DE involved (or if the DE had exactly the same dimension/catcombo - but then not even in all cases). From one point of view, you could expect the framework to just generate up all the possible combinations, but that could result in a lot of pretty useless ones, so probably best to be able to ask for them explicitly, but in a much simpler way than you would have to do currently. The key question is then what implications this will have for the Analytics engine (and to a lesser extent, for the user interface).
Knut On Fri, Jan 22, 2016 at 9:08 AM, Uwe Wahser <[email protected]> wrote: > Dear all, > > in my current approach for feeding DHIS2 with data from a source system, I > rely > heavily on Categories / CategoryCombinations as dimensions for a DataSet > (E.g. > DataElement: NumberOfBalls, Dimension: Color of Balls[red,blue,green]). > From a > data-modelling perspective this is much more flexible than creating single > dataelements RedBalls, GreenBalls and BlueBalls, as I can easily add other > colors and maybe also a material dimenesion in the future. > > However, this only makes sense, when I can make use of the dimensions > later on, > especially when defining indicators. So far I have only seen indicators > that can > be calculated from simple DataElements. > > What I'd actually need would be indicators, that can > a) filter dataElements according to dimension values. Example: Indicator > IND_RedBalls = NumberOfBalls where(Color=red) > b) be re-used in subsequent indidator definitions. Example: IND_Redishness > = > IND_RedBalls / (IND_GreenBalls + IND_Blueballs) > During analysis (e.g. pivot-table) a) must be applied when selecting data > before > aggregation, b) must be applied after aggregation (I think someone was > asking > for this last year) > > I can't figure out how to do that with the current indicator manager. If > it is > possible, can someone please suggest a solution? If it is not possible - is > there a chance to get a blue-print through with this, if I wrote one? > > Thanks a lot, > > Uwe > > _______________________________________________ > Mailing list: https://launchpad.net/~dhis2-users > Post to : [email protected] > Unsubscribe : https://launchpad.net/~dhis2-users > More help : https://help.launchpad.net/ListHelp > -- Knut Staring Dept. of Informatics, University of Oslo Norway: +4791880522 Skype: knutstar http://dhis2.org
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