[R] text and expressions in labels

[Thomas Lumley]

On Thu, 13 Jun 2002, Josh Udall wrote:

> All -
>
> I'm a novice at R and I'm having difficulty combining text and an
> expression in the same label.
>
>   I just trying to get Yield (kg ha-1) and have the -1 as superscript. What
>   I came up with doesn't work. I'm stuck at trying to concatenate it with
> any other regular text.
>
>   yield1 = "Yield (kg ha"
>   yield2 = expression(^-1)
>   yield3 = ")"
>   ylabel = paste(yield1, yield2, yield3)
>

The problem is that paste() squashes the expression into a string.
   plot(1,main=expression("Yield " * (kgha^{-1})))
works

	-thomas

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