[R] (box-) plot annotation: italic within paste?

2010-03-08 Thread Bernd Panassiti
Dear R users,

in the example below the name of the genus will be displayed in the main 
titles using the variable predictor[i] and paste.
I would like to have the genus name in italic. However all my attempts 
using expression and substitute failed.
Does anybody know a solution? 
Thanks a lot in advance. bernd


Acrobeles  -c(65.1,0.0,0.0,0.0,0.0,0.0)
Acrobeloides   -c(0.0,9.8,76.7,51.1,93.9,43.9)
Alaimus-c(0.0,4.9,0.0,0.0,0.0,6.3)
Aphelenchoides -c(126.5,29.3,76.7,134.1,176.7,87.9)

x-data.frame(Acrobeles,Acrobeloides,Alaimus,Aphelenchoides)

predictor   - colnames(x)
ylabel  -Numerical abundance
mainlabel1  -Boxplot for
mainlabel2  -sp.
cexalabel   -1.8 # axis label
cexmlabel   -1.6 # main label

par(oma=c(6,6,3,3),mar = c(6, 4, 4, 2) + 0.1,mfrow=c(2,2))

for (i in 1:ncol(x)){

boxplot(x[,i],
main=paste(mainlabel,predictor[i],mainlabel2),ylab=paste(ylabel),cex.lab=cexalabel,cex.main=cexmlabel,cex.axis=1.5)
}



---

Bernd Panassiti

National Institute of Public Health  the Environment (RIVM)
Laboratory for Ecological Risk Assessment (LER)
P.O. Box 1
3720 BA Bilthoven
The Netherlands
e-mail: bernd.panass...@rivm.nl
tel. +31 30 274 3647

Radboud University Nijmegen
Department of Environmental Science
b.panass...@science.ru.nl



Disclaimer RIVM
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[R] WG: Re: WG: Re: NMDS and varimax rotation

2008-09-11 Thread Bernd Panassiti
hello Gavin,

yes, you might be right. I performed a comparison of a normal NMDS 
(with metaMDS) and a 
subsequent rotation with varimax. The rotation didn't seem to improve 
significantly the 
the alignment of the former ordination output.
Thanks for your hint  greetings.

Bernd Panassiti

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[R] WG: Re: NMDS and varimax rotation

2008-09-10 Thread Bernd Panassiti
hello,
thanks a lot for your help.

@ Stephen: In my opinion the proscrutes rotation is more used to 
compare the 
alignment of different ordination methods. But maybe I'm wrong.

@ Bill: Thanks for the comprehensive description. That was the 
information I was 
looking for. 

Greetings,
Bernd Panassiti

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[R] NMDS and varimax rotation

2008-09-09 Thread Bernd Panassiti
hello,

subsequently to a NMDS analysis (performed with metaMDS or isoMDS) is 
it possible to 
rotate the axis through a varimax-rotation?

Thanks in advance.

Bernd Panassiti

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