One final comment on this that I forgot to mention earlier:
Michael Friendly (York University, Toronto, Canada) has an interesting site
on visualizing categorical data here:
http://www.math.yorku.ca/SCS/vcd/
Some of these possibilities are already implemented in Stata (e.g.,
distplot), but some of the more esoteric are not (e.g., mosaic plots). He
provides SAS code for these on his website, not Stata code, but it is
interesting to see the possibilities nevertheless. There is also a package
in R (vcd) for creating these graphs here:
http://probability.ca/cran/src/contrib/PACKAGES.html#vcd
Regards,
Lee
Lee Sieswerda, Epidemiologist
Thunder Bay District Health Unit
[email protected]
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