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st:how to create yearly lag in monthly data?


From   Badri <badrinarayanang@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   st:how to create yearly lag in monthly data?
Date   Tue, 2 May 2006 23:54:32 +0530

Dear Stata users and experts,
I'm dealing with a monthly data for a few years.
Let me denote month no., by m and year no., by y.  What I need to do
is to generate a variable B{m,y}=A{m,y-1}. A is a variable that is
already in the dataset.

This sounded quite simple to me till I tried a lot in vain.

Could anyone give a solution for this simple problem?

Regards
Badri Narayanan

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