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Re: st: replace


From   Ulrich Kohler <kohler@wzb.eu>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: replace
Date   Fri, 04 Sep 2009 11:37:27 +0200

. by ID (Year), sort: replace status = status[_N]

Am Freitag, den 04.09.2009, 11:34 +0200 schrieb frauke.ruether@unisg.ch:
> Dear statalist 
> 
> I have a data set which I would like to analyse with survival analysis and 
> panel analysis.
> 
> Excerpt from my data set:
> ID      Year    status 
> 1       2000    0                                
> 1       2001    0 
> 1       2002    0 
> 1       2003    1
> 
> 2       2002    0
> 2       2003    0
> 2       2004    0
> 2       2005    0
> 
> 3       2001    0
> 3       2002    0
> 3       2003    2 
> 
> 4       2002    0
> 4       2003    3
>  
> 
> For the panel analysis I would like to change the variable "status" (with 
> the information on 4 different reasons (so status could be 1,2,3,3) of 
> death and 0=pending) so that I have the "reason of death" in all years and 
> not in the year of death.
> 
> Like this:
> ID      Year    status
> 1       2000    1
> 1       2001    1
> 1       2002    1
> 1       2003    1
> 
> 2       2002    0
> 2       2003    0
> 2       2004    0
> 2       2005    0
> 
> 3       2001    2
> 3       2002    2
> 3       2003    2 
> 
> 4       2002    3
> 4       2003    3
> 
> Could anybody help my how to replace the "0" with "1" "2" "3" "4" if the 
> person is death?
> 
> Thank you for your help.
> 
> Best Frauke
> 
> ___________________________________
> 
> Frauke Rüther, Dipl.-Kffr., M.A.
> Research Associate
> University of St.Gallen
> Institute of Technology Management
> Dufourstrasse 40a
> CH - 9000 St. Gallen
> 
> Phone   +41 (0)71 224 7225
> Fax        +41 (0)71 224 7301
> Email    frauke.ruether@unisg.ch
> Web      www.item.unisg.ch
> 
> *
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> *   http://www.ats.ucla.edu/stat/stata/


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