On Sep 11, 2010, at 9:00 PM, Peter Ehlers wrote:

On 2010-09-11 16:14, Dennis Murphy wrote:
Hi Baptiste,

You need to use the symbol("\nnn") concept, where nnn denotes the octal symbol number. For< it's 074 and for> it's 076. This little test seemed to
work:

plot(1, 1, main = expression(symbol("\074")~'x, y'~symbol("\076")))

HTH,
Dennis

It's a matter of taste, but I would use "\341" and "\361".
However, these are still not scalable, AFAICS.

Not exactly scalable angles, but you can fake it:

plot(1, 1, main = expression(symbol("\341")~scriptstyle( atop(x,y) )~symbol("\361")), cex.main=3)

scriptstyle shrinks the inner atop() material, and since I tested on a Mac it should work for Baptiste.

--
David.

 -Peter Ehlers


On Sat, Sep 11, 2010 at 10:01 AM, baptiste auguie<
baptiste.aug...@googlemail.com>  wrote:

What do people use to show angle brackets<  >  in R graphics? Have I
missed something obvious?

Thanks,

baptiste

On 9 September 2010 17:57, baptiste auguie
<baptiste.aug...@googlemail.com>  wrote:
Dear list,

I read in ?plotmath that I can use bgroup to draw scalable delimiters such as [ ] and ( ). The same technique fails with< > however, and I
cannot find a workaround,

grid.text(expression(bgroup("<",atop(x,y),">")))

Error in bgroup("<", atop(x, y),">") : invalid group delimiter

Regards,

baptiste

sessionInfo()
R version 2.11.1 (2010-05-31)
x86_64-apple-darwin9.8.0

David Winsemius, MD
West Hartford, CT

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