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st: Hi! Mfx compute does not give standard errors
Hi! I've been running a bivariate probit regression
and try to obtain the marginal effects using the 'mfx
compute" option. However, I fail to obtain the
marginal effects in most of the runs, and in those
cases when I do Stata does not compute the standard
I would appreciate it somebody could help me out with
the following questions:
(1) Is there a way for me to compute the standard
(2) And, how do I interpret Stata's estimates of the
marginal effects with no standard errors? How much
confidence can I attach to these estimates?
(3) Sometimes Stata reports "." when a standard error,
z-stat, P>|z|, Wald statistic or a chi-squared
statistic is expected? What does "." mean in this
context? No estimate?
Thanks a lot.
Joseph J. Capuno
University of the Philippines
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