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Re: st: RE: Summing values within date range


From   William Pratt <[email protected]>
To   [email protected]
Subject   Re: st: RE: Summing values within date range
Date   Wed, 13 Oct 2010 13:23:09 -0500

Thanks for the direction. This is very nice as date filling is no
longer necessary, thus it is much more efficient.




On Wed, Oct 13, 2010 at 12:11 PM, Nick Cox <[email protected]> wrote:
> See e.g.
>
> http://www.stata.com/statalist/archive/2010-09/msg00834.html
>
> from 20 Sept.
>
> On "Thanks in advance", see
>
> http://www.stata.com/support/faqs/res/statalist.html#others
>
> Nick
> [email protected]
>
> William Pratt
>
> I would like to sum values within a date range in a panel without
> using the command rolling (takes a lot of time to run).
> To be a bit more specific, I have a continuous 12 year panel and I
> would like to sum values over a range of 3 or 4 months for each member
> of the panel.
> So observation 1 would be a sum of x values for dates t(1) to t(120)
> and observation 2 would be a sum of x values for t(2) to t(121) and so
> on. The date is is in xx/xx/xxxx format and not indicated as a number.
> (Working with Stata10mp)
> Thanks in advance,
> William
>
>
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>



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