R help - May 2003 - Plotting expressions with indicies

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[1]) expression(delta[2]) 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).
Try
> 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

Hello,

I would like to plot a series of math symbols on a graph with ordered indicies 
: expression(delta[1]) expression(delta[2]) 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).

Thanks in advance,

Y. Noel