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st: RE: RE: repeated time values within panel


From   "Nick Cox" <n.j.cox@durham.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: RE: repeated time values within panel
Date   Fri, 4 May 2007 17:48:28 +0100

Typo fix. 

Nick 
n.j.cox@durham.ac.uk 

> -----Original Message-----
> From: owner-statalist@hsphsun2.harvard.edu
> [mailto:owner-statalist@hsphsun2.harvard.edu]On Behalf Of Nick Cox
> Sent: 04 May 2007 17:46
> To: statalist@hsphsun2.harvard.edu
> Subject: st: RE: repeated time values within panel
> 
> 
> On the face of it, your data don't qualify as 
> panel data in Stata's sense. This is why -tsset- 
> doesn't play. Hoping to use -tsfill- is thus 
> out of the question. There isn't a fix for 
> this. 
> 
> The only way you can get panel data is by 
> ensuring that there is at most one observation
> for each combination of panel identifier _and time period_, 
> which would require some kind of reduction, 
> e.g. a -collapse- to mean, minimum, maximum
> or some single number per month. 

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