[R] scalable < > delimiters in plotmath

[Peter Ehlers]

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.

   -Peter Ehlers

>
> On Sat, Sep 11, 2010 at 10:01 AM, baptiste auguie<
> baptiste.auguie at 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.auguie at 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
>>>
>>> locale:
>>> [1] en_GB.UTF-8/en_GB.UTF-8/C/C/en_GB.UTF-8/en_GB.UTF-8
>>>
>>> attached base packages:
>>> [1] grid      stats     graphics  grDevices utils     datasets
>>> methods   base
>>>
>>> other attached packages:
>>> [1] TeachingDemos_2.7
>>>
>>> loaded via a namespace (and not attached):
>>> [1] tools_2.11.1
>>>
>>
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