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Re: st: marginsplot of marginal effects of a factor variable from a probit, including the baseline


From   Maarten Buis <maartenlbuis@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: marginsplot of marginal effects of a factor variable from a probit, including the baseline
Date   Wed, 17 Apr 2013 11:10:02 +0200

You can extend the y-axis using either the -ylab()- option or the
-yscale(range())- options, e.g.:

marginsplot, yline(`bl') ylab(-.15(.15).3)

Hope this helps,
Maarten


On Wed, Apr 17, 2013 at 3:26 AM, Dimitriy V. Masterov
<dvmaster@gmail.com> wrote:
> Is it possible to get Stata to plot the the baseline probability from
> a probit along with the marginal effects?
>
> Here's a toy example I have in mind. I would like to use marginsplot
> to show the marginal effects, along with the baseline for 1980:
>
> webuse union, clear
> tabstat union, by(year)
> probit union ib(80).year
> estimates store probit
>
> margins, at(year=80) post // get the baseline rate
> matrix M = r(b)
> local bl = M[1,1]
>
> estimates restore probit
> margins, dydx(year)
> marginsplot, yline(`bl')
>
> Unfortunately this does not quite work, since the baseline rate is off
> the chart in this case. Is there a way to patch this up or a more
> elegant way to do this?
>
> DVM
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-- 
---------------------------------
Maarten L. Buis
WZB
Reichpietschufer 50
10785 Berlin
Germany

http://www.maartenbuis.nl
---------------------------------
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*   http://www.ats.ucla.edu/stat/stata/


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