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st: new package proprcspline available


From   Maarten buis <maartenbuis@yahoo.co.uk>
To   stata list <statalist@hsphsun2.harvard.edu>
Subject   st: new package proprcspline available
Date   Wed, 24 Jun 2009 08:21:51 +0000 (GMT)

Thanks to Kit Baum a new package -proprcspline- is now available 
from SSC. To install type -ssc install proprcspline-. 

-proprcspline- computes a restricted cubic spline smooth of
proportions of observations in each category of a dependent/
response/explained variable given an independent/predictor/
explanatory variable, and graphs these smoothed proportions 
as a stacked area plot. For example, I have used this to 
plot how the educational distribution has changed over 
cohorts.

-- Maarten

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

http://home.fsw.vu.nl/m.buis/
-----------------------------------------


      

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