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Re: Maps of outbreaks

 

Thanks good people.
Unless is laboratory confirmed, it is always a "suspected" case of measles or polio or acute flaccid paralysis (AFP). That means that you've to have another variable on results.

regards
 
PEPELA WANJALA
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On Sunday, February 16, 2014 9:13 AM, Jason Pickering <jason.p.pickering@xxxxxxxxx> wrote:
 
Hi Bob,

Will not get into the semantics here. :-|


Without really knowing any details of the data , beyond what Knut has shared with us, but it certainly seems more like "Event" data than the sort of routine data which the current data entry UI is geared to. Our use case is somewhat more in the middle, meaning that we conduct surveillance for a certain period of time, and then stop. So, we might have data for Jan-June for one Orgunit A and Feb-August for Orgunit B. What we would like to see however when we look at "August" in the Pivots/GIS/etc would be the latest values, i.e. June data for the first orgunit in the example and August data for the second orgunit.  It would really not make sense to enter data for July and August for for Orgunit A first because we have none really and if we did, it would be repetitive. 

Knut in your case, it would seem to make little sense to enter data for months for which it does not exist, just to be able to visualize it. However, as is often the case with event type of data, what matters in some analyses is the data which was last observed. I think this is the difference between what you are proposing and how we handle it here. What we need is an aggregation method for the time dimension which retrieves the latest data only for a given orgunit/datalement/categorycombo. 

I certainly see the need for being able to enter data for a single orgunit for multiple periods though. Some data, like population figures, need to be entered over many time periods, and from a workflow perspective, would simplify things a bit. 

Regards,
Jason




On Sat, Feb 15, 2014 at 7:13 PM, Bob Jolliffe <bobjolliffe@xxxxxxxxx> wrote:

Hi Knut
>
>
>At the risk of appearing even more ignorant, doesn't this scenario bear some resemblance to tracked-entity-event, particularly as we have moved to generalize this beyond the scope of tracked persons?  Soi event 1, some time in September, is a measles "outbreak" in a district.  Event 2, some months later, signals the end of the "outbreak" in that district.
>
>
>Looking at tracker logic and seeing an outbreak-inception-incursion as something similar to a stage-in-a-program is perhaps an odd thought but it could be that the model works it is just the words which are wrong. 
>
>
>Maybe thats an off the wall thought, but couldn't help sharing ... :-)
>
>
>Bob
>
>
>
>On 15 February 2014 07:16, Knut Staring <knutst@xxxxxxxxx> wrote:
>
>Dear DHIS2 community, looking for good ideas for a use case which is a bit unusual.
>>
>>
>>We'd like to map epidemic outbreaks, and the data are very simple: Outbreak or not, in other words, Yes/No per orgunit (a province or district). Perhaps Yes Only would be best here?
>>
>>
>>The tricky part is the time dimension: We need to produdce maps of affected districts at regular intervals, at least monthly, possibly also more frequent.
>>However, there is a lot of diversity in the data: Sometimes we have a start and end date, sometimes just a number of months.
>>
>>
>>
>>Currently, DHIS2 does not support one screen for multiple periods
>>
>>
>>I see two possibilities:
>>
>>
>>1) Create just one dataelement "Outbreak" as Yes Only in a monthly dataset. Then one would have to select every affected month and say YES
>>
>>
>>2) Create two additional data elements: "Start date" and "End date" in a YEARLY dataset. Then also write a script behind the scenes which populates the Outbreak dataelement for the affected months - or even extend it to days
>>
>>
>>Better ideas?
>>
>>-- 
>>
>>Knut Staring
>>Dept. of Informatics, University of Oslo
>>+4791880522
>>http://dhis2.org 
>>
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>
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