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Re: st: how to get a two-line-graph for predicted probabilites in logistic regression model with a metric controll variable (SE10)


From   Scott Merryman <scott.merryman@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: how to get a two-line-graph for predicted probabilites in logistic regression model with a metric controll variable (SE10)
Date   Tue, 28 May 2013 19:59:00 -0500

Try -margins- and -marginsplot-.

For example:

sysuse nlsw88
logit married age i.south##i.union
margins, at(south= (0 1) union = (0 1) ) atmeans
marginsplot, xd(union)
marginsplot, xd(south)

Scott


On Tue, May 28, 2013 at 8:53 AM, Prof. Dr. Claudia Schuchart
<schuchart@uni-wuppertal.de> wrote:
> Dear statalist user,
> I did a graph with SE10 for predicted probabilites in a logistic regression
> model. I controlled for intelligence (metric), and considered two indendent
> binary vaiables as well as the interaction between them (N=187). I want to
> have a two-line-graph (holding intelligence constant), instead I got
> multiple graphs for any intelligence value:
>
> xi: logit y i.a*i.b IQ
> predict y, pr
> separate y, by(b)
> graph twoway line y0 y1 a , xlabel(1 2)
>
> How can I get  a two line graph only?
> Claudia
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