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Re: st: linear interpolation


From   smerryman@kc.rr.com
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: linear interpolation
Date   Tue, 25 Jul 2006 15:26:56 -0500

Perhaps -tsfill- would help?

Scott

----- Original Message -----
From: Scott Cunningham <scunning@gmail.com>
Date: Tuesday, July 25, 2006 3:21 pm
Subject: st: linear interpolation
To: statalist@hsphsun2.harvard.edu

> Rafal,
> 
> I know I need to expand by 31,815 observations (1761 for every 
> year  
> in the 1980s and 1774 for every year in the 1990s).
> 
> . local N = `_N' + 31815
> 
> . set obs `N'
> obs was 5318, now 31815
> 
> What I'm trying to figure out now is to assign values of a year 
> for  
> every 1761 observations through the 1980s, then 1774 for every 
> year  
> in the 1990s.  For instance, to do this:
> 
> year
> 1981
> 1981
> ...
> 1981
> 
> (where the total is 1,761 for 1981, and the same would be for 82-
> 89,  
> and 1774 per year for 1991-1999).  I don't think using what you  
> wrote, ". replace year=1975 + _n if year==." will work since I do 
> not  
> need year increasing with every observation.  Does anyone know how 
> to  
> fill in missing data with such precision?

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