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RE: st: add up the total stay


From   "Nick Cox" <n.j.cox@durham.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   RE: st: add up the total stay
Date   Sun, 14 Oct 2007 21:37:20 +0100

I've already suggested -egen, total()-
as a way of doing this. Why not try it 
or explain why it is not what you want? 

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

Dndee (plus three other posts) 
 
> I need expression and commands to tell STATA;
> If "id" is the same as previous observation and if
> "in"  for this observation equals to "out" in previous
> one, then add " stay" to previous one to calculate
> StayEachVisit.  And consider that number of
> observations for total stay in each visit is not
> defined (in the example it is 1-2 but it can be one
> 1-7 or more).

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