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Re: st: margeff

From   Richard Williams <>
Subject   Re: st: margeff
Date   Wed, 02 Mar 2005 08:06:49 -0500

At 12:42 PM 3/2/2005 +0000, peter harper wrote:
Dear Statalisters

When I want -margeff- of an oprobit equation. Do I
just issue
.oprobit y x1 x2 x3             (1)
or is it OK to issue
oprobit y x1 x2 x3, robust      (2)

Please confirm whether I can issue oprobit..., robust,
as (2) above.
Please let me know, if you require clarification.
Many Thanks in advance
Well, I just tired it with -robust-, and it works. The coefficients came out the same whether I used robust or not, but the standard errors were a little different, which is what I would have expected.

Richard Williams, Notre Dame Dept of Sociology
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