dhis2-users team mailing list archive

[Jim Grace <jimgrace@xxxxxxxxx>]

Hi João,

There are two things I can think of:

1. What happens when you change the operator from ">=" to "<"? Note that
the surveillance rule will send an alert if the condition is *not* met.

2. Are you trying to validate a form? Surveillance rules are not used when
validating forms. They are only used when evaluating a group of validation
rules containing them, either manually or in a scheduled run.

Cheers,
Jim


On Thu, Jul 16, 2015 at 1:54 AM, Joao Mazuze <Joao_Mazuze@xxxxxxxxxxxx>
wrote:

>  Hi Jim,
>
> I tried to according to your explanation, but still not working. See
> definition bellow, but is always passing successfully when running
> validation rule, even when rule is violated.
>
>
>
> Kind  regards,
>
> João
>
>
>
> *From:* Jim Grace [mailto:jimgrace@xxxxxxxxx]
> *Sent:* 16 July 2015 02:33
> *To:* Joao Mazuze
> *Cc:* dhis1-users
> *Subject:* Re: [Dhis2-users] Surveillance rule
>
>
>
> Hi João,
>
>
>
> To compare a data element's value with the previous month, create a
> validation rule of type "Surveillance", period type "Monthly", set the
> "Sequential sample count" to 1, and leave the "Annual sample count" blank
> (or zero.)
>
>
>
> Then when you reference the data element on the left side of the equation,
> it refers to the value for the current month. When you reference it on the
> right side, it refers to the value in the previous month. For example if
> you are looking at June 2015 data, the June 2015 data will be used on the
> left side of the equation, and May 2015 data will be used on the right side.
>
>
>
> If you wanted to compare the data element's value with the average value
> of the previous (n) months, put the count (n) into the "Sequential sample
> count". For example, if you set Sequential sample count to 2 and are
> looking at June 2015 data, then June 2015 data will be used on the left
> side of the equation, and the average value between April and May 2015 will
> be used on the right side.
>
>
>
> I hope this helps. Let me know if you have any other questions.
>
>
>
> Cheers,
>
> Jim
>
>
>
>
>
> On Wed, Jul 15, 2015 at 6:35 AM, Joao Mazuze <Joao_Mazuze@xxxxxxxxxxxx>
> wrote:
>
> Dear all,
>
> I need to compare values between previous and current month for the same
> data element, I know that one solution is to create a surveillance rule,
> but seems not working as it is always successfully validate, can anyone
> explain me how this works? May be the problem is how am defining the  “*sequential
> sample count”*, as explained bellow, I do not understand well what this
> means.
>
>
>
> ·        Enter a *Sequential sample count*. This is the number of time
> periods immediately preceding against which you wish to compare the data.
> For example, if the period type is *Weekly* and this count is 2, the
> current data will be compared with past data averaged over each of the 2
> previous weeks.
>
> Kind regards,
>
> João
>
>
>
>
>
>
>
> Kind regards
>
> _____________________________________
>
> João Gabriel Mazuze
>
> National Database Manager
>
> Projecto CHASS-SMT
>
> Abt Associates Inc.
>
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>
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>
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>
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>
>
>
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