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st: Calculating average for a pooled data set


From   Ozgur Ozdemir <ozdemirozgur@hotmail.com>
To   Stata <statalist@hsphsun2.harvard.edu>
Subject   st: Calculating average for a pooled data set
Date   Mon, 30 Jan 2012 16:12:22 +0000



Hi,
 
I have a pooled data set including year, industry, companyID, sales, R&D etc. and would like to run a regression against the average of Lag 1 and 2 years. eg
 
Y(t) = a* X((t-1) + (t-2))/2 + b
 
If my dependent variable is in year 2008, all independent varriables will be the average of 2006 and 2007. I also would like to control for the year and industry dummies.
 
Please can you help me to find the write stata commands to run the regression.
 

kind regards
Ozgur Ozdemir
T: +44 (0) 75 0332 9865
E: ozdemirozgur@hotmail.com
Skype : ozgurozdemir2005 		 	   		  
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