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st: 3D surface plot of joint density


From   dgill <dgill@email.unc.edu>
To   statalist@hsphsun2.harvard.edu
Subject   st: 3D surface plot of joint density
Date   Wed, 02 Sep 2009 10:55:46 -0400

I am trying to generate a graph of the joint density of
two variables (bmi and age).
I am aware of the 3 variable graphing packages such
as scat3 and gr39, but those ask for 3 separate variables.
I want my 3rd dimension to be the joint density, not
another variable.

My data are individuals followed over time. So I have
their age and their body mass for each year of their
life.

Can anyone point me in the right direction?

-Donna Gilleskie

begin:vcard
fn:Donna Gilleskie
n:Gilleskie;Donna
org:UNC-CH;Dept. of Economics
adr;dom:;;CB # 3305, 06B Gardner Hall;Chapel Hill;NC;27599-3305
email;internet:donna_gilleskie@unc.edu
title:Associate Professor
tel;work:(919) 966-5372
tel;fax:(919) 966-4986
url:http://www.unc.edu/~dgill
version:2.1
end:vcard




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