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Re: st: random effects probit model


From   nicola.baldini2@unibo.it
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: random effects probit model
Date   Sun, 16 Mar 2008 16:32:43 +0100

I don't see any problem (unless the dummies are the panel fixed effects). However, can you provide full content of the results window?
Nicola
P.S. Please plain text e-mails and no attachments!

At 02.33 13/03/2008 -0400, Duha Al-Kuwari wrote:
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>dear all, good morning 
> 
>i have a question about  random effect probit model.
> 
>is it an acceptable to include dummy variables in random effects model. i'm asking this question because i've got strange results when  i added dummy variables to my model  .
> 
>that is , when i used random effects probit model to test my variables ( before adding dummy variables) as:
> 
>xtprobit y x1 x2 x3 x4 x5 x6, i(id)
>mfx compute, predict (pu0)
> 
>i've got  significant results. however, when i added dummy variables to the model as:
> 
>xtprobit y x1 x2 x3 x4 x5 x6 x7  d2 d3  d4 d5, i(id)
>mfx compute, predict (pu0)
> 
>the  results were strange: non of Z values were insignificant, except d3, moreover the Z values of variables wee almost the same  . can any one please help me and tell me whether it is an acceptable to use random effect probit model
> 
>thanks
>  
[snip] 

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