[R] : bquote inside legend()

[Monica Pisica]

Thanks, this certainly works as well, especially the "second" legend syntax.

Monica

> Date: Mon, 11 Aug 2008 18:08:02 +0100
> From: ripley at stats.ox.ac.uk
> To: pisicandru at hotmail.com
> CC: r-help at r-project.org
> Subject: Re: [R] : bquote inside legend()
>
> Perhaps you want
>
> val <- substitute("value" == a, list(a = a))
> legend(6, 5, do.call("expression", list("Legend", val)), bty = 'n')
>
> ?
>
> Your first attempt is a character vector and your second fixed up quote
> and substitute. But more likely would be
>
> legend(6, 20, val, bty="n", title="Legend")
>
>
> On Mon, 11 Aug 2008, Monica Pisica wrote:
>
>>
>> Hi,
>>
>> I have a graph and I would like to write some values inside the legend
>> that were saved in a variable. Please revise the code below in which
>> I've wrote 2 different legends, but I am not happy with either of them.
>> What I want is a legend with tile "Legend" and underneath a line with a
>> name and a value like that: value = 2.
>>
>> #Code begin:
>> # -------------------
>> a = 2 # result of a function for example
>> plot(1:10, a*(1:10))
>>
>> legend(1, 20, c("Legend", bquote(value ==.(a))), bty = 'n')
>>
>> val <- substitute("value" ==.(a), list(a = a))
>> legend(6, 5, do.call("expression",list("Legend", val)), bty = 'n')
>>
>> # -------------------
>> # Code end
>>
>> In the first legend I don't like that value == 2 instead of value = 2, in the second legend, obviously I don't like the period and the brackets around the value of a.
>>
>> Thanks for any help,
>>
>> Monica
>>
>>
>> _________________________________________________________________
>>
>>
>> LM_WLYIA_whichathlete_us
>> ______________________________________________
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>
> --
> Brian D. Ripley, ripley at stats.ox.ac.uk
> Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
> University of Oxford, Tel: +44 1865 272861 (self)
> 1 South Parks Road, +44 1865 272866 (PA)
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