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st: Re: Question about mvtobit


From   mikkel barslund <mikkelbarslund@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   st: Re: Question about mvtobit
Date   Wed, 10 Oct 2007 17:37:47 +0200

On 10/8/07, nicola.baldini2@unibo.it <nicola.baldini2@unibo.it> wrote:
> I am forwarding your e-mail to the author of -mvtobit-. Statalist members can read in cc.
> There seems to be a bug, because I obtained exactly the same error message by applying the following code to my dataset: mvtobit (brev = inv1 logstud) (brev1 = inv1 logstud)
> However, as you can see, the code (and to tell the truth, my dataset as well) does not contain any variable named y1!!!
> Nicola

There was an embarrassing bug in the first version of -mvtobit- which
has been corrected in an update.
I responded to private correspondence by Hung-Hao Chang but failed to
inform statalist.
Please, let me know if you observe any other problems.
Thanks for the feedback.
Mikkel

>
> >From: "Hung-Hao Chang" <hunghao.chang@gmail.com>
> >
> >Dear Nicola:
> >  I saw your response to the statalist about SUR & MVTOBIT model. I have downloaded the command and had difficulty to use it. I am wondering if you have better experience to share. Following is my code:
> >
> >mvtobit (y1= x1 x2 x3 x4) (y2=x1 x2 x3 x4) (y3=x1 x2 x3 x4)
> >
> >The error massage is "Fitting univariate Tobit models to get starting values.  y1 not found. r(111);"
> >
> >However, I can estimate each equation in tobit. So this should not a problem of variable name.
> >
> >I appreciate if you can give me a hand. Thanks.
> >
> >Hung-Hao Chang
> >Department of Agricultural Economics
> >National Taiwan University
>
>

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