Re: st: AW: 'cnreg' command to fit Censored-normal regression model

[Tracy Bai <tracy.bai@flinders.edu.au>]

Hi Martin,

Yes, you are right, when I define a new matrix as you advised, I can do 
more I needed.

Many thanks.

Tracy


Martin Weiss wrote, On 27/02/2009 6:49 PM:
> <> 
>
> I have a hunch that you will want to manipulate the content of these
> matrices further. So note that you cannot directly work with the elements of
> the returned matrices. You have to define a new matrix first.
>
> *************
> webuse news2, clear
> cnreg date lncltn famown, censored(cnsrd)
> mat list e(b)
> mat def A=e(b)
> mat list A
> di A[1,3]
> *************
>
>
>
> HTH
> Martin
>
> -----Ursprüngliche Nachricht-----
> Von: owner-statalist@hsphsun2.harvard.edu
> [mailto:owner-statalist@hsphsun2.harvard.edu] Im Auftrag von Tracy Bai
> Gesendet: Freitag, 27. Februar 2009 01:36
> An: statalist@hsphsun2.harvard.edu
> Betreff: st: 'cnreg' command to fit Censored-normal regression model
>
> I am learning how to use 'cnreg' command to fit Censored-normal 
> regression model, when I tried to get coefficient vector e(b), I got the 
> error information like below,
>
> . display  e(b)
> matrix operators that return matrices not allowed in this context
> r(509);
>
>    Matrices      
>       e(b)                coefficient vector
>       e(V)                variance-covariance matrix of the estimators
>
> How to fix the problem here?
>
> Tracy
>
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