Re: [Dhis2-users] Predictors for "carry forward" and cohorts

[Jim Grace]

Hi Olav and Nick,

Thanks, that's neat. These are uses we never thought of for predictors!

There are no limits on how far back you can go with sequential and skip
sample counts, so I think your technique for bringing forward cohorts
should be good.

Cheers,
Jim


On Thu, Jun 29, 2017 at 8:07 AM, Olav Poppe  wrote:

> Thanks Nick, I think you describe a potentially «generic» approach to
> copying data N months forward which I didn’t think of! Essentially setting
> the sequential sample count to N and the skip count to N-1 (or N+1 and N -
> will have to test). If there aren’t any limits in how many months back you
> could go, this could take care of any cohort period, e.g. 12, 24, 36 etc.
>
> Regards
> Olav
>
>
>
>
>
>
> 29. jun. 2017 kl. 13.33 skrev Shurajit Dutta :
>
> Sorry!
>
> I thought about this for a second again. For 6 months I think it's more
> like this
>
> Period type = Monthly
> Annual sample count = 0
> Sequential sample count = 5
> Sequential skip count = 4
>
> This would eg. take data only from January 2017 to fill in the June 2017
> cohort.
>
> On Jun 29, 2017 10:23 PM, "Shurajit Dutta" 
> wrote:
>
> Hi Olav
>
> I am not sure about all cohort types, would have to look a bit more. I
> believe for 6 months cohort it might work like this (remember I haven't
> tested).
>
> Period type = Monthly
> Annual sample count = 0
> Sequential sample count = 6
> Sequential skip = 5
>
> Then it would exclude the first 5 months of data in relation to the sample
> selected while also going 6 months back.
>
> I guess you could potentially do the same for the other cohorts as long as
> your skip identified how far back you went?
>
> Perhaps I need to test this myself
>
> Nick
>
>
> On Jun 27, 2017 8:44 PM, "Olav Poppe"  wrote:
>
> Hi all,
> I wanted to check if anyone had any experience using predictors for 1)
> «carry forward» of values from one period to the following, or 2) copying
> cohort data forward?
>
> As far as I can tell from some limited testing, 1) should work as it is
> now by setting sequential sample count to 1 and annual sample count to 0.
> You could then for example copy ending balance for May 2017 to starting
> balance June 2017 etc. (note: I don’t mean to start a discussion how to
> collect data on stock).
>
> Moving forward cohorts would similarly work today, but only for 12 month
> cohorts as far as I can figure out. From what I understand, even 12-month
> cohorts are sometimes in reality reported after e.g. 14 months, and there
> are of course others (6 months, 24 months, 36 months). At least on the
> surface, it would seem adding support for specifying the sample period as X
> months back would be a relatively straightforward thing, and it would be
> very helpful for this purpose. I know people are using custom script for
> this type of thing today.
>
> Regards
> Olav
>
>
>
>
>
>
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-- 
Jim Grace
Core developer, DHIS 2
HISP US Inc.
http://www.dhis2.org 
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Re: [Dhis2-users] Predictors for "carry forward" and cohorts

[Olav Poppe]

Thanks Nick, I think you describe a potentially «generic» approach to copying 
data N months forward which I didn’t think of! Essentially setting the 
sequential sample count to N and the skip count to N-1 (or N+1 and N - will 
have to test). If there aren’t any limits in how many months back you could go, 
this could take care of any cohort period, e.g. 12, 24, 36 etc.

Regards
Olav





> 29. jun. 2017 kl. 13.33 skrev Shurajit Dutta :
> 
> Sorry!
> 
> I thought about this for a second again. For 6 months I think it's more like 
> this
> 
> Period type = Monthly
> Annual sample count = 0
> Sequential sample count = 5
> Sequential skip count = 4
> 
> This would eg. take data only from January 2017 to fill in the June 2017 
> cohort. 
> 
> On Jun 29, 2017 10:23 PM, "Shurajit Dutta"  > wrote:
> Hi Olav
> 
> I am not sure about all cohort types, would have to look a bit more. I 
> believe for 6 months cohort it might work like this (remember I haven't 
> tested). 
> 
> Period type = Monthly
> Annual sample count = 0
> Sequential sample count = 6
> Sequential skip = 5
> 
> Then it would exclude the first 5 months of data in relation to the sample 
> selected while also going 6 months back.
> 
> I guess you could potentially do the same for the other cohorts as long as 
> your skip identified how far back you went?
> 
> Perhaps I need to test this myself
> 
> Nick
> 
> 
> On Jun 27, 2017 8:44 PM, "Olav Poppe"  > wrote:
> Hi all,
> I wanted to check if anyone had any experience using predictors for 1) «carry 
> forward» of values from one period to the following, or 2) copying cohort 
> data forward?
> 
> As far as I can tell from some limited testing, 1) should work as it is now 
> by setting sequential sample count to 1 and annual sample count to 0. You 
> could then for example copy ending balance for May 2017 to starting balance 
> June 2017 etc. (note: I don’t mean to start a discussion how to collect data 
> on stock).
> 
> Moving forward cohorts would similarly work today, but only for 12 month 
> cohorts as far as I can figure out. From what I understand, even 12-month 
> cohorts are sometimes in reality reported after e.g. 14 months, and there are 
> of course others (6 months, 24 months, 36 months). At least on the surface, 
> it would seem adding support for specifying the sample period as X months 
> back would be a relatively straightforward thing, and it would be very 
> helpful for this purpose. I know people are using custom script for this type 
> of thing today.
> 
> Regards
> Olav
> 
> 
> 
> 
> 
> 
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Re: [Dhis2-users] Predictors for "carry forward" and cohorts

[Shurajit Dutta]

Sorry!

I thought about this for a second again. For 6 months I think it's more
like this

Period type = Monthly
Annual sample count = 0
Sequential sample count = 5
Sequential skip count = 4

This would eg. take data only from January 2017 to fill in the June 2017
cohort.

On Jun 29, 2017 10:23 PM, "Shurajit Dutta"  wrote:

Hi Olav

I am not sure about all cohort types, would have to look a bit more. I
believe for 6 months cohort it might work like this (remember I haven't
tested).

Period type = Monthly
Annual sample count = 0
Sequential sample count = 6
Sequential skip = 5

Then it would exclude the first 5 months of data in relation to the sample
selected while also going 6 months back.

I guess you could potentially do the same for the other cohorts as long as
your skip identified how far back you went?

Perhaps I need to test this myself

Nick


On Jun 27, 2017 8:44 PM, "Olav Poppe"  wrote:

Hi all,
I wanted to check if anyone had any experience using predictors for 1)
«carry forward» of values from one period to the following, or 2) copying
cohort data forward?

As far as I can tell from some limited testing, 1) should work as it is now
by setting sequential sample count to 1 and annual sample count to 0. You
could then for example copy ending balance for May 2017 to starting balance
June 2017 etc. (note: I don’t mean to start a discussion how to collect
data on stock).

Moving forward cohorts would similarly work today, but only for 12 month
cohorts as far as I can figure out. From what I understand, even 12-month
cohorts are sometimes in reality reported after e.g. 14 months, and there
are of course others (6 months, 24 months, 36 months). At least on the
surface, it would seem adding support for specifying the sample period as X
months back would be a relatively straightforward thing, and it would be
very helpful for this purpose. I know people are using custom script for
this type of thing today.

Regards
Olav






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Re: [Dhis2-users] Predictors for "carry forward" and cohorts

[Shurajit Dutta]

Hi Olav

I am not sure about all cohort types, would have to look a bit more. I
believe for 6 months cohort it might work like this (remember I haven't
tested).

Period type = Monthly
Annual sample count = 0
Sequential sample count = 6
Sequential skip = 5

Then it would exclude the first 5 months of data in relation to the sample
selected while also going 6 months back.

I guess you could potentially do the same for the other cohorts as long as
your skip identified how far back you went?

Perhaps I need to test this myself

Nick


On Jun 27, 2017 8:44 PM, "Olav Poppe"  wrote:

Hi all,
I wanted to check if anyone had any experience using predictors for 1)
«carry forward» of values from one period to the following, or 2) copying
cohort data forward?

As far as I can tell from some limited testing, 1) should work as it is now
by setting sequential sample count to 1 and annual sample count to 0. You
could then for example copy ending balance for May 2017 to starting balance
June 2017 etc. (note: I don’t mean to start a discussion how to collect
data on stock).

Moving forward cohorts would similarly work today, but only for 12 month
cohorts as far as I can figure out. From what I understand, even 12-month
cohorts are sometimes in reality reported after e.g. 14 months, and there
are of course others (6 months, 24 months, 36 months). At least on the
surface, it would seem adding support for specifying the sample period as X
months back would be a relatively straightforward thing, and it would be
very helpful for this purpose. I know people are using custom script for
this type of thing today.

Regards
Olav






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[Dhis2-users] Predictors for "carry forward" and cohorts

[Olav Poppe]

Hi all,
I wanted to check if anyone had any experience using predictors for 1) «carry 
forward» of values from one period to the following, or 2) copying cohort data 
forward?

As far as I can tell from some limited testing, 1) should work as it is now by 
setting sequential sample count to 1 and annual sample count to 0. You could 
then for example copy ending balance for May 2017 to starting balance June 2017 
etc. (note: I don’t mean to start a discussion how to collect data on stock).

Moving forward cohorts would similarly work today, but only for 12 month 
cohorts as far as I can figure out. From what I understand, even 12-month 
cohorts are sometimes in reality reported after e.g. 14 months, and there are 
of course others (6 months, 24 months, 36 months). At least on the surface, it 
would seem adding support for specifying the sample period as X months back 
would be a relatively straightforward thing, and it would be very helpful for 
this purpose. I know people are using custom script for this type of thing 
today.

Regards
Olav






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