[R] Adding picture to graph?

[Alain Zuur]

Rainer M Krug-6 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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> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
> 
> 



See our "Beginner's Guide to R" for an example; a time series of the date
the penguins lay eggs is plotted, and a jpg with penguins is used as
background. The code is on the book's website at: www.highstat.com(follow
the link to the R book). 

It was quite a challenge to do this...not because of the R code (we used
Murrel, 2006)...but because of figuring out the optimal the size of the jpg.
R didn't like to use the original 5Mb jpg file. So..I had to reduce it size.

Alain Zuur




-----
--------------------------------------------------------------------
Dr. Alain F. Zuur
First author of:

1. Analysing Ecological Data (2007).
Zuur, AF, Ieno, EN and Smith, GM. Springer. 680 p.

2. Mixed effects models and extensions in ecology with R. (2009).
Zuur, AF, Ieno, EN, Walker, N, Saveliev, AA, and Smith, GM. Springer.

3. A Beginner's Guide to R (2009).
Zuur, AF, Ieno, EN, Meesters, EHWG. Springer


Statistical consultancy, courses, data analysis and software
Highland Statistics Ltd.
6 Laverock road
UK - AB41 6FN Newburgh
Email: highstat at highstat.com
URL: www.highstat.com



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