M. Shiham Adam wrote:
> Dear R-Community.
>
> I am trying show pie charts on a graph. To be precise, I have series of
> catch calues by species by geographic (5 deg by 5 deg) regions. I want
> to draw circles (actually pie charts showing the proportion of the catch
> in each area) so that I have a graph of catch by species by geographic
> area!
>
> I know there is the < symbols(dat$lon,dat$lat,circles = dat$sp1,
> add=TRUE) > but I need pie charts instead of the simple circle!
>
> Here is some data
Examples can be found, e.g., in
@Article{Rnews:Murrell:2003,
author = {Paul Murrell},
title = {Integrating grid Graphics Output with Base Graphics
Output },
journal = {R News},
year = 2003,
volume = 3,
number = 2,
pages = {7--12},
month = {October},
url = {CRAN.R-project.org/doc/Rnews}
}
and Paul's talk at the useR! (Slides available at
ci.tuwien.ac.at/Conferences/useR-2004/Keynotes/Murrell.pdf).
Uwe Ligges
>
>>dat
>
> lon lat sp1 sp2 sp3
> 1 20 50 2 6 10
> 2 20 55 370 20 23
> 3 20 60 380 40 23
> 4 20 65 60 100 87
> 5 25 50 0 0 98
>
> Any help would be much appreciated
>
> Shiham Adam
>
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