[R] Adding picture to graph?

[Jonathan Baron]

I had to do this recently, and I finally gave up trying to do it with R
alone.  Instead, I used the LaTeX overpic package.  For the result,
see Figure 1 in
http://journal.sjdm.org/9417/jdm9417.pdf
or (screenshot of it) in
http://journal.sjdm.org/9417/jdm9417.html
and the .tex file
http://journal.sjdm.org/9417/jdm9417.tex
and the R file that drew the plots
http://journal.sjdm.org/9417/figs.R

The pictures are tiny in this case.  I do think it is possible to
define your own symbols.  Maybe someone else can say how.

Jon

On 07/29/09 10:27, Rainer M Krug wrote:
> Hi
> 
> while teaching R, the question came up if it would be possible to add
> a picture (saved on the HDD) to a graph (generated by plot()), which
> we could not answer.
> 
> 
> 
> It might easily kill a clean graph, but: is there a way of doing this,
> even one should not do it?
> 
> 
> On a similar line of thought: is it possibe to define own symbols so
> that they can be used in the plot function with pch=?
> 
> 
> Rainer
> 
> -- 
> Rainer M. Krug, Centre of Excellence for Invasion Biology,
> Stellenbosch University, South Africa
> 
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-- 
Jonathan Baron, Professor of Psychology, University of Pennsylvania
Home page: http://www.sas.upenn.edu/~baron
Editor: Judgment and Decision Making (http://journal.sjdm.org)