On 20 September 2011 14:50, Abyot Gizaw <aby...@gmail.com> wrote: > I still keep saying this again and again. the biggest mistake is > when options are restricted to appear only in one category.
Abyot I am not disagreeing with you. Not sure what the biggest mistake is but that certainly was a mistake. The question is how to best to fix it. > > for me, the options are simply units that users could apply them to > measure/count data along a specific dimension/category - could be age, or > gender or stock, hospital ward,.... or any other dimension users think makes > sense for them. > > I don't see the need to have multiple <5 units whether we are talking > malaria or hiv.....actually whatever unit we are talking it all comes for > primary registers where we have the actual source of data as name > based individuals. and I don't understand it why we pick different <5 units > when refering the same individual say for example (of course unfortunately) > who is in both tb and hiv registers. > On Tue, Sep 20, 2011 at 3:20 PM, Bob Jolliffe <bobjolli...@gmail.com> wrote: >> >> I've a problem which I'd welcome some input on. And which is at least >> peripherally related to the mail Knut has just sent re case sensitive >> name matching (MALE != Male). >> >> Its about fixing the categoryoptioncombos and bringing in the notion >> of concepts, which has already been discussed at length elsewhere and >> is blueprinted and tagged here: >> >> https://blueprints.launchpad.net/dhis2/+spec/extend-category-and-groupsets-model-with-concepts >> >> Whereas implementing this is fairly straightforward I'm a bit unsure >> how to manage the updating of existing databases which have already >> built up an impressive array of aliases for things like '<5'. >> >> One aim is to get rid of, or rather merge, categoryoptions like "<5", >> " <5", "HIV_under5", "TB_under5" etc. Currently we know these things >> are there because of the problem that categoryoptions must be unique >> and cannot appear in more than one category, causing implementors to >> invent various ways of saying under 5. >> >> The proposal to fix this is to have a single categoryoption '<5' with >> a concept AGE and various categories with concept AGE (ie various >> lists of age groups, but drawing from the same pool of options with >> concept AGE). This should work well and will cause no problems with >> new databases and in the absence of any existing datavalues. But .... >> the problem I see is that it is going to be quite difficult to make >> these adjustments and mergers on a live database with existing >> datavalues mapped to existing categorycombos. ie. repairing the >> damage of the past 12 months. >> >> Imagine I have 2 dataelements, de1 with category HIV_age which >> includes the option HIV_under5, and de2 with category Malaria_age >> which includes the categoryoption 'Malaria_under5'. Basically I want >> to be able to merge "HIV_under5" with "Malaria_under5" to just create >> "under5". Then we are back to some form of sanity. And worse, I need >> users to be able to do this - it can't be doe automatically. The >> problem is that to do this will require quite a significant amount of >> background action - deleting existing categoryoptions, rebuilding new >> categoryoptioncombo ids and mapping/updating the old to the new >> categoryoptioncombo ids in the affected datavalues. Not a job for the >> fainthearted. Do we have any background experience in such fiddling >> with existing categoryoptions (other than manually)? >> >> It seems that what we require here is some sort of categoryoptioncombo >> merge functionality in the category service? Or is this long term >> functionality we need in dhis at all? Is it better solved by an >> external fixer-upper tool? >> >> Bob >> >> _______________________________________________ >> 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 > > _______________________________________________ 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