[R] Plotting expressions with indicies
Prof Brian Ripley
ripley at stats.ox.ac.uk
Mon May 12 09:12:55 CEST 2003
On Mon, 12 May 2003, Noel Yvonnick wrote:
> I would like to plot a series of math symbols on a graph with ordered indicies
> : expression(delta) expression(delta) etc.
> Is there a mean to write this in a for loop ?
> for(i in 1:6) text(i,i,expression(delta[i]))
> does not work ('i' is not evaluated).
> plot(1:6, type="n")
> for(i in 1:6) text(i,i,substitute(delta[i], list(i=i)))
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)
Oxford OX1 3TG, UK Fax: +44 1865 272595
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