dhis2-users team mailing list archive

[Murod Latifov <mlatifov@xxxxxxxxx>]

You are right Ola, it is mostly indicators' case with regards to average
values, not data elements and saving zero values in most cases is
inefficient.
murod

On Thu, Nov 10, 2011 at 3:23 PM, Ola Hodne Titlestad <olati@xxxxxxxxxx>wrote:

> That's true Murod, but most of the data elements collected will have an
> aggregation operator "SUM" and never be averaged (in DHIS at least).
> Typically the average data elements such as population estimates are never
> '0', so this has never been an issue for data processing.
>
> When people have reacted to the ignoring of '0' values it has mostly been
> related to completeness issues. As Jason says the complete button can solve
> that problem.
> You can also define certain data elements (called compulsory) to be filled
> for a a dataset to be considered complete.
>
> Note that the default behaviour in DHIS is to ignore the '0's. If you want
> to save them, then you must set 'Store Zero Data Value' to "Yes" for each
> data element where you want this behaviour.
>
> Ola
> ---------
>
> ----------------------------------
> Ola Hodne Titlestad (Mr)
> HISP
> Department of Informatics
> University of Oslo
>
> Mobile: +47 48069736
> Home address: Vetlandsvn. 95B, 0685 Oslo, Norway. Googlemaps link<http://maps.google.com/maps?f=q&source=s_q&hl=en&geocode=&q=Vetlandsvn.+95B,+0685+Oslo,+Norway>
>
>
>
> On 10 November 2011 11:08, Murod Latifov <mlatifov@xxxxxxxxx> wrote:
>
>> Hi Mark,
>>
>> Ignoring true zeros will affect average figure. e.g. division by number
>> of occurence will be wrong if you didn't save zero.
>>
>> regards,
>> murod
>>
>>
>> On Thu, Nov 10, 2011 at 11:52 AM, Muhire Andrew <muhireandrew@xxxxxxxxx>wrote:
>>
>>> Dear Mark,
>>> Most people takes zero as a data, that is also the way i believe but in
>>> other side there are people who dont like zero`s to appear in their
>>> database in that case they dont store it in their data (durin the creation
>>> of data element ) . But you have to think also on this:  zero is different
>>> from blank fields(Because if you ignore zero, data quality for completeness
>>> of the data fields will be more complicated because here you see all filled
>>> fields and unfilled fields with percentage).So this means when you activate
>>> " dont store zero", the system will automatically ignore zero`s.
>>>
>>>  Note that : This can also depend on the data management protocols of
>>> the institution.
>>>
>>> Thanks
>>>
>>> ------------------------------
>>>
>>>
>>> *Muhire Andrew
>>> *
>>> *HMIS/Ministry of Health*
>>> *God is my provider.*
>>>
>>>
>>> ------------------------------
>>> *From:* Mark Spohr <mhspohr@xxxxxxxxx>
>>> *To:* dhis2-users@xxxxxxxxxxxxxxxxxxx
>>> *Sent:* Thursday, November 10, 2011 2:35 AM
>>> *Subject:* [Dhis2-users] DHIS zeros and saving data?
>>>
>>> Hi,
>>> We just started data entry and things are going well and they like the
>>> data entry.
>>> I just have a few questions.
>>>
>>> Zeros:
>>> - All of the data items are set to "Don't store zeros".... what does
>>> that mean?
>>> When totaling, aggregating, averaging, etc.  will these data fields be
>>> counted as zeros?
>>>
>>> Related.. on data entry I have them skipping over zero fields leaving
>>> them blank... I assume this will be assumed to be a zero?
>>>
>>> Also,  there doesn't seem to be an explicit "SAVE FORM" but the data
>>> does appear to be saved (even though the User General Settings does NOT
>>> have the "Auto-save data entry form" box checked).  How does this work?
>>>
>>> Thanks for this great software!
>>> --
>>> Mark Spohr, MD
>>>
>>>
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>>
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>>
>