[R] Including greek letters in a pairs() plot

[Eik Vettorazzi]

Hi Enrico,
see ?plotmath and the examples
example(plotmath)
there you will find all you need for your task.
hth.

enrico.foscolo2 at libero.it schrieb:
> Good Morning,
>
> I have a stupid problem about inclusion of greek letters in a 
> plot built with function pairs().
>
> First of all, I have a matrix with 3 columns 
> and 1000 rows and I would like to use pairs() in order to plot points in the 
> upper panel and to compute correlation in the lower panel.
>
> In the lower panel 
> I would like to see the following text in each ij-plot: hat(rho)[i,j]=cor(x,y). 
> Obviously, rho should be written in according to greek alphabet.
>
> This is my 
> function:
>
> panel.cor <- function(x,y){
>
> 	cor<-0
> 	cor<-round(cor(x,y),4)
> 	text
> (0.5,0.5,cor,cex=2)
>
> }
>
> Thank You very much,
>
> Enrico Foscolo
>
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>   

-- 
Eik Vettorazzi
Institut für Medizinische Biometrie und Epidemiologie
Universitätsklinikum Hamburg-Eppendorf

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