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Re: st: how to generate mean for a secquence of five year of a variable


From   prakash singh <prakashbhu@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: how to generate mean for a secquence of five year of a variable
Date   Thu, 5 May 2011 19:23:51 +0530

Dear Oliver here is what I want

yearid	countryid	var1	var2	
1980	1	7.25	
1981	1	8.25		
1982	1	9.5		
1983	1	7.5		
1984	1	7.75	8.05 (mean of first five observation of var1)
...........................................
........................................
2001	1	8.25		
2002	1	9		
2003	1	9.5		
2004	1	8		
2005	1	10	8.95 (mean of last five observation of var1)

similarly for all other country.


Hope I am making my problem clear to you.


Prakash
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