I want to check the orthogonality condition by calculating
X*e,
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.
Hisaki
--------------------
Kono Hisaki
Graduate School of Economics
University of Tokyo
[email protected]
[email protected]
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