I am not in a position to answer, maybe somebody else on the list can answer this one.
-- Maarten
--------------------------
Maarten L. Buis
Institut fuer Soziologie
Universitaet Tuebingen
Wilhelmstrasse 36
72074 Tuebingen
Germany
http://www.maartenbuis.nl
--------------------------
--- On Thu, 17/9/09, Tao Xiao <[email protected]> wrote:
> From: Tao Xiao <[email protected]>
> Subject: Fwd: st: No model significance test result for the 2nd model equation in MLE?
> To: [email protected]
> Date: Thursday, 17 September, 2009, 7:27 PM
> Hi Maarten,
>
> I don't know why my reply to your message was not
> posted on the list (I am a newbie to this STATALIST, I
> replied to STATALIST but it doesn't work), so I forward
> my previous email (please see below) directly to your email
> box now and please don't mind. And thanks again!
>
>
> Tao
>
> ---------- Forwarded message
> ----------
> From: Tao Xiao <[email protected]>
>
> Date: Thu, Sep 17, 2009 at 1:13 PM
> Subject: Re: st: No model significance test result for the
> 2nd model equation in MLE?
> To: [email protected]
>
>
>
> Maarten, thank you very much for your help! Now I can use
> waldtest(2) to get the result of the test whether the
>
> effects of all covariates in the first two equations are
> simultaneously equal to zero.
>
> I still don't quite understand your point of
> "perform the tests -quietly-". Is that, for
> example, I have two equations in "ml model", I run
> the program and get the Wald test result for only the first
> equation, then I put the second equation ahead of the first
> equation in "ml model" and run again to get the
> result for the second equation. Then use -ml display- to
> combine the two results and display them together? Is this
> what you mean? I wonder if there is any way that I can run
> the MLE program only once and get the Wald test results for
> the two, or even more equations.
>
>
>
> Hope you can give me more hints if possible.
> Thanks!
>
>
>
> On Wed, Sep 16, 2009 at 3:53 PM,
> Maarten buis <[email protected]>
> wrote:
>
>
> --- On Wed, 16/9/09, Tao Xiao
> wrote:
>
> > I need to specify more than one model equations in
>
> > -ml model- command. However, after the MLE routine ran
> to
>
> > reach the maximum likelihood with the data, the
>
> > -ml display- command can only display model
> significance
>
> > test result of the 1st model equation in the header
> above
>
> > the coefficient table - a Wald chi2 statistic value
> and
>
> > the corresponding p-value. Because in our research,
> the
>
> > model significance test result of the 2nd model
> equation
>
> > is also important, I wonder if there is any way to
> display
>
> > the model significance test results of the second
> model
>
> > equation, or of more than two model equations. Or, can
> I
>
> > get model significance test result for all the model
>
> > equations combined together, not just for the 1st
> model
>
> > equation?
>
>
>
> If you want to display that test for each equation
> separately,
>
> you will probably have to perform these tests -quietly-
> and
>
> use -display- to display the results in some convenient
> way.
>
> You can however force Stata to display a test whether the
>
> effects of all covariates in multiple equations are
>
> simultaneously equal to zero. This is done in your -ml
> model-
>
> statement using the -waldtest()- option.
>
>
>
> Hope this helps,
>
> Maarten
>
>
>
> --------------------------
>
> Maarten L. Buis
>
> Institut fuer Soziologie
>
> Universitaet Tuebingen
>
> Wilhelmstrasse 36
>
> 72074 Tuebingen
>
> Germany
>
>
>
> http://www.maartenbuis.nl
>
> --------------------------
>
>
>
>
>
>
>
>
>
>
>
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>
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>
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>
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