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Re: FW: st: Plotting several linear associations in one graph for comparison

From   Maarten Buis <>
Subject   Re: FW: st: Plotting several linear associations in one graph for comparison
Date   Mon, 16 Jul 2012 17:24:58 +0200

> On Mon, Jul 16, 2012 at 4:10 PM, Amal Khanolkar wrote:
>>  Is it possible in my example above to select select a range of birth years (all birth years for example, from 1973 to 2008), maybe include more maternal educational categories?? I could then obtain a graph for a study population with greater variation right?

On Mon, Jul 16, 2012 at 4:48 PM, Maarten Buis wrote:
> The problem you are facing is that with 8 covariates your regression
> model is a plane in 9 dimensional space, which is virtually impossible
> to visualize in one go.

By combining the graph you already have with some of the tricks in
(Buis and Weiss 2009) you could turn the original 3 dimensional graph
into a 5 dimensional graph. But that is as far as I would go, and the
graph would probably be far to cluttered to be interpretable.

-- Maarten

M.L. Buis and M. Weiss (2009) "Stata tip 81: A table of graphs", The
Stata Journal, 9(4), pp. 643-647.

Maarten L. Buis
Institut fuer Soziologie
Universitaet Tuebingen
Wilhelmstrasse 36
72074 Tuebingen

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