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15g
2012 Aug 15
1
shade overlapping portions of circles (or other shapes)
...rcles. These
illustrations are for Social Choice theory, a field in political
science and economics. I've wrestled together some examples so you
can see what I mean, but have not mastered the "color overlapping
sections" problem (as you will see):
http://pj.freefaculty.org/scraps/t-m15g.pdf
The shaded area does not overlap perfectly, mainly because I isolated
the points manually with locator(). Tedious!
I've not found R functions just for this. Are there any packages?
You can get an idea of the problem if you run, for example
library(plotrix)
example(draw.circle)
See the...