Hi, Clive:
Thanks for the responding. But how come mine doesn't work? Here's the code:
. xtlogit internet education exp exp_2 marriage union job,fe
Results omitteed..............................
. mfx compute
predict() expression unsuitable for marginal effect calculation
r(119);
The above is the error message. Could you tell me what's wrong?
I'll try -margin- command later.
Thanks a lot.
----- Original Message -----
From: "Clive Nicholas" <[email protected]>
To: <[email protected]>
Sent: Friday, July 09, 2004 9:10 PM
Subject: Re: st: how to use mfx with xtlogit
> Gang Peng wrote:
>
> > Could anybody tell me how to use mfx together with xtlogit?
> >
> > I use mfx computer after xtlogit, but it doesn't work.
>
> Using -mfx- after running a regression with -xtlogit- _does_ work, but it
> normally takes far too long if your original model contains a large number
> of observations; and I speak from bitter experience. A quicker alternative
> is to use Tamas Bartus' -margin-, downloadable from SSC.
>
> Note, however, that -margin- calculates the _average_ marginal effects
> across all observations, and _not_ the marginal effect at the mean of
> independent variables, which, by default, -mfx- calculates. It's your call
> as to which of these is preferable to you.
>
> CLIVE NICHOLAS |t: 0(044)191 222 5969
> Politics |e: [email protected]
> Newcastle University |http://www.ncl.ac.uk/geps
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>
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