Hi:

Try
plot(1, 1, ylab = expression(paste("RMSE[",m^3,"/ha]", sep = '')))

HTH,
Dennis

On Thu, Nov 25, 2010 at 7:21 AM, gianni lavaredo
<gianni.lavaredo@gmail.com>wrote:

> Dear researchers,
>
> I spent several times to resolve this problem. Sorry I know is easy.
>
> in a plot a need to write RMSE [m3/ha]
>
> i am using but I can close the last "]"
>
> ylab=expression(paste("RMSE [m")^3/ha),
>
>
> my final result is
>
> RMSE [m3/ha
>
> but i need
>
> RMSE [m3\ha]
>
> thanks for yout time
>
> Gianni
>
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