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st: Extracting data to create a new variable


From   Christine_Tan@baruch.cuny.edu
To   statalist@hsphsun2.harvard.edu
Subject   st: Extracting data to create a new variable
Date   Tue, 25 Jun 2002 15:45:00 -0400

Hi everyone:

Let's say I have the following dataset:

company  year    assets   liabilities
a                   2001   100         25
a                   2000    90          30
a                   1999    105        45
b                   1999     205       105
b                   1998    200         80
b                   1997    60           15


I wish to generate a new variable called assets1 where asset1=assets for
the previous year for that company.  How would I do this in Stata?  Thank
you for your help.

Christine


Christine E. L. Tan
Assistant Professor
Stan Ross Department of Accountancy
Baruch College - City University of New York
17 Lexington Avenue, Box B12-225
New York, New York 10010
tel: 646 312 3206
fax: 646 312 3161


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