R help - Sep 2008 - Writing greek letters and subscripts in graph

Dear R-users, 

I would like to write Greek letters followed by subscripts in a graph (on the
X-axis and in a legend). I would appreciate any help.

thank you,

delphine courvoisier

************************************
Delphine Courvoisier
Clinical Epidemiology Division
University of Geneva Hospital
+4122 37 29029

> I would like to write Greek letters followed by subscripts in a 
> graph (on the X-axis and in a legend). I would appreciate any help.
See FAQ 7.13 and ?plotmath for examples.

Regards,
Richie.

Mathematical Sciences Unit
HSL


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"Delphine COURVOISIER" <Delphine.Courvoisier at hcuge.ch> wrote:
> I would like to write Greek letters followed by subscripts in a graph (on
the X-axis and in a legend). I would appreciate any help.
As others have said, try 

demo(plotmath) and also 

? plotmath

Here's a brief example:

plot(1:10, 1:10)
title("Concentration of" ~alpha[3])
text(2,3, ~ beta[z])

Note the use of "~" to denote an expression, so that the
material following the tilde is interpreted as such.

-- 
Mike Prager, NOAA, Beaufort, NC
* Opinions expressed are personal and not represented otherwise.
* Any use of tradenames does not constitute a NOAA endorsement.