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RE: st: graph interaction of continuous and categorical variables


From   Jess Joe <jessjoe@live.com>
To   stata list <statalist@hsphsun2.harvard.edu>
Subject   RE: st: graph interaction of continuous and categorical variables
Date   Sat, 14 Jan 2012 14:17:02 -0500

Thank you very much!
i have a follow-up question: the -margins- command does not work for multilevel logistic regressions. i got the error message "default prediction is a function of possibly stochastic quantities other than e(b)". 
is there any way to graph interaction of a continuous and categorical variable in a multilevel logistic regression in STATA?  
Thanks again. 

----------------------------------------
> Date: Sat, 14 Jan 2012 17:11:22 +0100
> Subject: Re: st: graph interaction of continuous and categorical variables
> From: maartenlbuis@gmail.com
> To: statalist@hsphsun2.harvard.edu
>
> On Sat, Jan 14, 2012 at 3:31 AM, Jess Joe wrote:
> > I have a logistic regression model:
> > logit(Y) = X1 + (X1)^2 + i.X2 + i.X2*X1 + i.X2*(X1)^2
> > X1 is a continuous variable, X2 is a 4-category variable.
> > How can i graph the interaction effects in STATA? is there any specific command that could do this for me?
>
> -help marginsplot-
>
> 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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