In http://finzi.psych.upenn.edu/R/Rhelp02a/archive/14637.html
some rudimentary R functions were given for drawing
proportional area venn diagrams with area of each intersection ~ the
count in a 2 x 2 x 2 table.
I'm interested in this, for another application: showing the
correlations among Y, X1, X2 using
area ~ r^2 of each pair (sometimes called a Ballantine diagram).
Before I attempt to hack the code given in that post, are there any
packages/functions that do venn diagrams
with proportional areas? Rseek turned up quite a view venn-like
functions, but I couldn't find any
that drew them with proportional areas.
-Michael
--
Michael Friendly Email: friendly AT yorku DOT ca
Professor, Psychology Dept.
York University Voice: 416 736-5115 x66249 Fax: 416 736-5814
4700 Keele Street Web: http://www.datavis.ca
Toronto, ONT M3J 1P3 CANADA
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