Try:

plot(1,1,xlab="ligth intensity (PAR)",ylab=expression("mass Pteridium 
rhizomes" (gr/0.25*m^2)))

________________________________________
Daniel Moreira, MD

Research Associate
Duke University Medical Center
DUMC 2626, MSRB-I Room 455
571 Research Drive
Durham, North Carolina 27710
Telephone: (919) 681-7132
Fax: (919) 668-7093
E-mail: daniel.moreira@duke.edu




David Douterlungne <daviddouter@hotmail.com> 
Sent by: r-help-bounces@r-project.org
02/14/2009 12:21 AM

To
<r-help@r-project.org>
cc

Subject
[R] superscript








Dear R-users. 
 
I'm struggeling to fix the superscript of a label of a figure axis. For 
some reason R doesn't recognize the "hat" symbol. 
 
 
  plot(1,1,xlab="ligth intensity (PAR)",ylab=expression("mass Pteridium 
rhizomes" (gr/0.25m^2)))
 
 
A very similiar scriptline does not give any problem at all: 
 
 plot(1,1,xlab=expression("balsa plot basal area" (m^2/ha)),ylab="light 
intensity (PAR)")
 
 
Someone?
_________________________________________________________________

s. It's easy!

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