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st: new package proprcspline available

From   Maarten buis <>
To   stata list <>
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 

-- Maarten

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


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