[R] sub- and superscript in plot labels
Gavin Simpson
gavin.simpson at ucl.ac.uk
Thu Nov 4 13:20:23 CET 2004
Dear List,
I need to add a subscript and a superscript to some of the ions in the
labels on some plots.
I have got to here but now I'm stuck:
plot(1:10, xlab = expression(paste("nm SO"[4], " ", mu, "eq cm"^{-2}, "
yr"^{-1})))
Which gives almost what I require. No matter what I tried, however, I
could not get bot a sub script *and* a superscript attached to the SO in
the label.
In LaTeX I would just do $SO_4^{2-}$ but taking that to R produces a
syntax error:
plot(1:10, xlab = expression(paste("nm SO"[4]^{2-}, " ", mu, "eq
cm"^{-2}, " yr"^{-1})))
Strangely, I can do this:
plot(1:10, xlab = expression(paste("nm SO"[4]^2, " ", mu, "eq cm"^{-2},
" yr"^{-1})))
With almost the desired effect (except I need to add two characters to
the superscript).
Can any one offer a solution?
Many thanks
Gavin
--
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Gavin Simpson [T] +44 (0)20 7679 5522
ENSIS Research Fellow [F] +44 (0)20 7679 7565
ENSIS Ltd. & ECRC [E] gavin.simpson at ucl.ac.uk
UCL Department of Geography [W] http://www.ucl.ac.uk/~ucfagls/cv/
26 Bedford Way [W] http://www.ucl.ac.uk/~ucfagls/
London. WC1H 0AP.
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