The * operator can be used for a non-space separation.
expression(Chlorophyll*italic(a)~mu*g~cm^-2)
--
David.
On Jun 28, 2011, at 2:21 PM, Sam Albers wrote:
Hello all,
I can't seem to figure how to use a greek character in expression() in
plot() labels without adding a space. So for example below when
plotting
this out
x<-1:10
plot(x,x^2, xlab=expression(Chlorophyll~italic(a)~mu~g~cm^-2))
the axis label read as μ g cm^-2 because I have space there with a
tilda.
But if I remove the tilda then my units are mug cm^-2.
Can anyone recommend a way that I can modify the axis label to look
for like
this: μg cm^-2
Thanks in advance!
Sam.
David Winsemius, MD
West Hartford, CT
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