Re: [R] Underline in expression().

From: Sundar Dorai-Raj <sundar.dorai-raj_at_pdf.com>
Date: Wed 28 Jul 2004 - 02:04:48 EST

John Janmaat wrote:
> Hello All,
>
> Is there an analogue to \underbar or the AMS math \underline in
> graphical math expressions?
>
> Thanks,
>
> John.

Uwe Ligges posted a solution a couple of years ago. I don't know if there is anything built in yet. ?plotmath does not seem to say anything about underlining.

http://finzi.psych.upenn.edu/R/Rhelp01/archive/7191.html

plot(0:1, 0:1, type="n")
underlined(0.5, 0.5, expression(widehat(x %*% y)))

--sundar



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