[R] lowercase and uppercase greek letters

[Rolf Turner]

On 09/18/13 07:26, Arnaud Mosnier wrote:
> Hi all,
>
> I want to present a figure including the uppercase and lowercase version of
> the greek letter phi.
>
> I know that I can use "expression" to have the symbol like in:
>
> plot(1~1, main = expression(phi))
>
> But, is there somewhere things like upper(phi) or lower(phi) ?
>
> Thanks for your help !

RTFM.  From ?plotmath:

alpha -- omega     Greek symbols
Alpha -- Omega     uppercase Greek symbols

     cheers,

     Rolf Turner