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Re: st: graphing

From   "Eric Uslaner" <[email protected]>
To   <[email protected]>
Subject   Re: st: graphing
Date   Wed, 24 Jul 2002 14:45:11 -0400


I was wondering if anyone has developed a program that will allow
different pen shadings within a single graph (ideally something like
Nick Cox's wonderful sparl, which puts a regression line in a graph).  

What I would like is to be able to use different pens or different
symbols for different sets of observations.  E.g., in doing
cross-national regressions, I would like to highlight formerly Communist
countries.  I know that hilite.ado can do this, but it only will do so
for two groups (dummy variables) and won't put in the regression line. 
Ideally, what I would like is to be able to highlight different groups
with different symbols and have a regression line in the (single) graph
(regplot gives you separate graphs for each group).

Any help would be appreciated.


Ric Uslaner
Department of Government and Politics
University of Maryland
College Park, MD 20742
office phone: 301-405-4151
home phone 301-279-0414
office fax: 301-314-9690
home fax: 301-279-2614
e-mail: [email protected]
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