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Graphical Methods for Categorical Data
Michael Friendly
All of the graphs shown here were constructed with SAS/GRAPH
software. Most of the SAS programs are available on SAS
for Windows on the Hebb server for the Psych Lab, and
on phoenix.yorku.ca. You may also access some
of these via the World Wide Web at
http://www.datavis.ca/sasmac/
Some of these are designed as general macro programs which can be
used with any set of data; others are specific to the particular
application.
The following programs are currently available:
- CATPLOT
- [Macro] Plot predicted logits from CATMOD
- CATDEMO
- Demonstration of CATPLOT
- FOURFOLD
- IML modules for four-fold display of 2 x
2 x k tables
- FOURDEMO
- Demonstration of FOURFOLD
- GLOGIST1
- Logistic regression: binary response
- GLOGIST2
- Logistic regression: proportional odds model
- INFLOGIS
- [Macro] Influence plots for logistic
regression
- KAPPA
- Calculate Cohen's kappa for
agreement
- LABEL
- [Macro] Label points on a plot
- MOSAICS
- IML modules for mosaic displays
- MOSADEMO
- Sample program for mosaic displays
- POISPLOT
- [Macro] Poissonness plot
- POISDEMO
- Demonstration of Poissonness plot
- ORDPLOT
- [Macro] Ord plots for discrete distributions
- ORDDEMO
- Demonstration of Ord plot
- SIEVE
- IML modules for sieve diagram
- SIEVDEMO
- Demonstration for sieve diagram
The SAS programs from Agresti's An Introduction to Categorical Data Analysis
are also on the Web.
Other methods for graphical display of data are described in my book,
SAS System for Statistical Graphics, First Edition
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© 1995
Michael Friendly
Email: <friendly@yorku.ca>