Try this:
L <- list(bquote("Up (" >= .(threshold) ~ ")"), "Normal", "Down", "NA")
legend("top", leg = L)
On Tue, Mar 24, 2009 at 2:52 AM, Daren Tan <darenta...@gmail.com> wrote:
> I tried sprintf and paste, which solves one of my problem i.e.
> replacing the variable name by its value. However, >= is not renderend
> correctly as the inequality symbol.
>
> On Tue, Mar 24, 2009 at 12:24 PM, Gabor Grothendieck
> <ggrothendi...@gmail.com> wrote:
>> For the legend argument try this:
>>
>> leg = as.expression(c(sprintf("Up (>= %d)", threshold),
>> "Normal", "Down", "NA"))
>>
>> or use paste in place of sprintf.
>>
>> On Mon, Mar 23, 2009 at 11:53 PM, Daren Tan <darenta...@gmail.com> wrote:
>>> I need to have the maths symbol for >= in the legend, and to
>>> substitute threshold variable with its value. Somehow, various
>>> attempts weren't successful. Please help.
>>>
>>> threshold <- 0.5
>>>
>>> plot(NA, xlab="", ylab="", main="", axes=F, xlim=c(0,1), ylim=c(0,1),
>>> xaxs="i", yaxs="i")
>>> legend(x=0, y=1, fill=c("orange", "white", "green", "gray90"),
>>> cex=0.8, pt.cex=1.8, x.intersp=0.6, bg = "white",
>>> legend=c(expression("Up (" >= threshold ")"), "Normal",
>>> "Down", "NA"), bty = "n")
>>>
>>> ______________________________________________
>>> R-help@r-project.org mailing list
>>> https://stat.ethz.ch/mailman/listinfo/r-help
>>> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
>>> and provide commented, minimal, self-contained, reproducible code.
>>>
>>
>
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