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st: Orthogonality Condition

From   "hisaki" <>
To   <>
Subject   st: Orthogonality Condition
Date   Tue, 8 Feb 2005 09:19:18 +0900

I want to check the orthogonality condition by calculating
where X is the matrix of the regressors and e is the residual .
As I use hundreds of specification such as
regress y x1 x2
regress y x1 x2 x3
regress y x1 x3
I want to avoid typing all the regressors every time after estimation.
Is there any simple command to access the matrix of the regressors
such as "matrix X=e(regressors)"?

Thanks in advance.

Kono Hisaki
Graduate School of Economics
University of Tokyo

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