[R] Plot dagger symbol in R

Duncan Murdoch
Thu, 29 Jan 2009 11:46:25 -0000

Rau, Roland wrote:
> Dear all,
>
> I would like to plot the dagger symbol in R (like LaTeX's \dagger).
> However, I was unable to do so.
>
> First, I thought maybe dagger actually exists just like the degree
> symbol:
>
> plot(0:1,0:1, type="n")
> text(x=0.5, y=0.5, labels=expression(degree))
>
> plot(0:1,0:1, type="n")
> text(x=0.5, y=0.5, labels=expression(dagger))
>
> However, this was not very successful. New hope emerged that I will
> succeed when I read the help page (as so often) for ?plotmath.
> There I discovered the 'symbol' thing and read that the Adobe
Symbol
> font encodings are used. The closest thing I could fine, though, was:
>
> plot(0:1,0:1, type="n")
> text(x=0.5, y=0.5, labels=expression(symbol("\247")))
>
> But this is obviously not a dagger and it seems the Adobe Symbol font
> does not have a dagger.
>
> We also know this :-D
>
> library(fortunes)
> fortune("Yoda")
>
> So maybe someone can give me some advice?
>
I think it will depend on your output device whether the character glyph
exists, but this works for me on a Mac:

 plot(1, main="My dagger: \u2020")

Duncan Murdoch