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st: help with: i.region*i.time

From   Galina An <>
Subject   st: help with: i.region*i.time
Date   Sat, 20 Sep 2008 14:52:07 -0400

Dear stata users,
I was wondering if anybody could help me with the following (seemingly 
simple!) problem.
I need to keep interaction dummies in the regression, but not the 
dummies themselves.

For example, in the regression:

xi: reg y  x  i.region*t2 i.region*t3 i.region*t4

I need the interactions between region and time dummies, but not the 
region dummies themselves.

Galina An
Assistant Professor
Economics Department
Kenyon College

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