[R] help with expression

[ilai]

On Wed, Mar 14, 2012 at 8:56 AM, Thomas Hoffmann
<hoffmann at giub.uni-bonn.de> wrote:
> Hi all,
>
> I still fail to plot an axis title with the following expression:
>
> plot(0,xlab=expression('(SOC [' * kgm^{-2} * '])' * ^{-2}))
>
> the xlab should look like:   (SOC [kgm^2])^0.25
>
> with an out bracket and a superscript.
>

Like this ?
plot(0,xlab=expression(paste('(SOC[',kgm^-2,'])'^0.25,sep='')))


> Thanks for your advice.
>
> Thomas
>
>
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>
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