Hi Maram,
How about this?
plot(1, ylab = expression(sigma*"|"*alpha))

HTH,
Jorge


On Wed, Oct 14, 2009 at 11:12 AM, maram salem <> wrote:

> Hi all,
> I want the y-axis label to be ( in symbols)
> g(sigma given alpha)
> where given is the conditional sign.
> I've tried
> ylab=expression(g(sigma|alpha)))
> but it gave me
> g(|(sigma,alpha))
> where the sigma and alpha are in greek but the conditional sign is
> misplaced (before the bracket)
> Any help would be appreciated.
> Maram.
>
>
>
>
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