References/Notes/Attributions:
Source
Michael Friendly (2000), Visualizing Categorical Data: http://euclid.psych.yorku.ca/ftp/sas/vcd/catdata/marital.sas
References
G. N. Gilbert (1981), Modelling Society: An Introduction to Loglinear Analysis for Social Researchers. Allen and Unwin, London.
B. Thornes \& J. Collard (1979), Who Divorces?. Routledge \& Kegan, London.
M. Friendly (2000), Visualizing Categorical Data. SAS Institute, Cary, NC.