Re: [R] Don't understand plotmath behaviour (bug?)

From: Thomas Lumley <tlumley_at_u.washington.edu>
Date: Tue 26 Jul 2005 - 07:40:45 EST

On Mon, 25 Jul 2005, Wladimir Eremeev wrote:

> Hello, all
>
> Please, consider the following pieces of code.
>
> 1.
> v<-0.5
> text(x=2,y=2,eval(substitute(expression(bold(S==V)),list(V=formatC(v,format="f",digits=2)))))
>
> This plots "S=0.5" in bold. Both "S" and "0.5" are bold.
>
> 2.
> v<-0.5
> text(x=2,y=2,eval(substitute(expression(bold(S==V)),list(V=round(v,2)))))
>
> Here, only "S" is bold, 0.5 is usual, non-bold.
>

In case 1 you have the string "0.5", in case 2 you have the number 0.5.

   text(x=2,y=2, quote(bold("0.5"==0.5))) shows what is happening.

         -thomas



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