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st: RE: marginal effects for IV ordered probit


From   xueliansharon <xuelianstata@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   st: RE: marginal effects for IV ordered probit
Date   Sat, 24 Jul 2010 07:41:55 -0700 (PDT)

Hi, Martin,

Thanks for your help. Yes, your command works out the marginal effects, but
I still want the standard errors for marginal effects and there's a warning
message after running "mfx, predict(pr outcome(#1)) nonlinear": 

warning: predict() expression pr outcome(#5) unsuitable for standard-error
calculation;
option nose imposed

As a result, stata doesn't compute the standard errors.

So if I use the "force" option to get the standard errors of marginal
effects, are these standard errors reliable? If not, could you please tell
me how to get standard errors?

Many thanks,
Sharon


<> 

Well, the help file shows examples such as 


*********** 
mfx, predict(pr outcome(#1)) nonlinear 
*********** 

HTH 
Martin 

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