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st: new version of proprcspline available


From   Maarten buis <maartenbuis@yahoo.co.uk>
To   stata list <statalist@hsphsun2.harvard.edu>
Subject   st: new version of proprcspline available
Date   Fri, 23 Oct 2009 08:03:30 +0000 (GMT)

Thanks to Kit Baum a new version of the -proprcspline- package is now available from SSC. -proprcspline- creates a stacked area plot showing 
how the proportions of observations belonging to each category in an
categorical variable changes over a continuous variable, for example
this command can be (and has been) used to show how the proportion of
respondents who finished different school types changed over time. 
A key characteristic of -proprcspline- is that the changes in 
proportions over the continuous variable have been smoothed using a 
restricted cubic spline. Examples of how the graph looks can be 
seen at: http://www.maartenbuis.nl/software/proprcspline.html .

In the previous version the categories were labeled in a legend. In 
the new version the default is to label the categories on the right
y-axis, though a legend is still available as an option. Moreover,
more control over how the graph looks is added through more options.

To install this package type in Stata -ssc install proprcspline-. 
To update this package when a previous version was already installed
type -adoupdate, update- or -ssc install proprcspline, replace-. 

-- Maarten

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

http://www.maartenbuis.nl
--------------------------

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