[R] plotmath: paste string and expression [from a vector of expressions]

[Uwe Ligges]

On 02.06.2011 20:43, Marius Hofert wrote:
> Dear all,
>
> I have a vector of expressions and would like to "paste" some string to it before using it in a plot:
>
> vars<- vector("expression", 2)
> vars[1]<- expression(alpha)
> vars[2]<- expression(beta)
> plot(0, 0, main=substitute(bold("Foo" ~~ VAR), list(VAR=vars[2]) ))
>
> Although I tried hard, I just can't figure out how to solve this. The title should be "Foo<theta>", where<theta>  is the greek letter. I tried some constructions with bquote but that wasn't successful... I also looked in the mailing list but couldn't find anything helpful [I am sure I overlooked something].


plot(0, 0, main=expression("Foo" ~~ theta))

Uwe Ligges



> Cheers,
>
> Marius
>
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