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st: RE: converting snapshot data into duration format


From   "Nick Cox" <n.j.cox@durham.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: converting snapshot data into duration format
Date   Sun, 22 May 2005 21:34:35 +0100

What information are you losing by what Stata does? 

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

Patricia Vera Rojas
 
> I have:
> 
> id    date
> X   20jan2000
> X   22jan2000
> X   24jan2000
> X   25jan2000
> 
> When I SNAPSPAN it, I get:
> 
> id    date0      date1
> X      .       20jan2000
> X   20jan2000  22jan2000
> X   22jan2000  24jan2000
> X   24jan2000  25jan2000
> 
> But by this way, when I STSET it, I lose the first 
> observation (because of the missing), how can I
> do it?

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