[R] mathematical expression in legend
p.murrell at auckland.ac.nz
Wed Mar 13 00:48:11 CET 2002
> I'm trying to put a mathematical expression into a legend, but R
> complains about a syntax error. Basically i'd like to do this:
> legend.text = c(expression(x < 10), expression(x >= 10))
The following works for me on 1.4.0 (yukky alignment which should be fixed
in 1.4.1) ...
plot(1:20, pch=rep(1:2, c(9, 11)))
legend(6, 4, c(expression(x < 10), expression(x >= 10)), pch=1:2)
> The manual says that one can only pass mathematical expressions to axis,
> text etc. but not to the legend command?
Could you let us know where it says that -- sounds like it will need fixing.
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