On Friday 22 August 2003 16:35, Peter Dalgaard BSA wrote:
> [EMAIL PROTECTED] writes:
> > I tried to use substitute in legend as follows:
> >
> > pval <- 0.04
> > plot(0)
> > legend(1,0.5,substitute(hat(theta) == p, list(p = pval)))
> >
> > For some reason the legend is repeated 3 times.
> >
> > Any suggestions or is this a bug?
>
> It's a bug. The code is looking at length(legend), but that is not the
> number of legends when mode "call" objects are concerned. A workaround
> is
>
> legend(1,0.5,as.expression(substitute(hat(theta) == p, list(p = pval))))
Just out of curiosity: ?legend says
legend: a vector of text values or an 'expression' of length >= 1 to
appear in the legend.
Is an object of mode "call" either ? (is.expression() returns FALSE.) Are they
expected to work wherever expressions are supposed to work ?
Deepayan
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