[R] how to plot the circles in matrix form

[Adaikalavan Ramasamy]

 m <- matrix(0, nc=4, nr=3)

 plot( 0, xlim=c( 1, ncol(m) ), ylim=c( 1, nrow(m) ), 
       type="n", ann=F, axes=F )

 points( expand.grid( 1:ncol(m), 1:nrow(m) ), pch=1 )


Run the last example in help(points) for more refinements and options.

Regards, Adai



On Tue, 2005-11-08 at 13:36 -0800, shanmuha boopathy wrote:
> Could you help me 
> to plot the circles in the form of matrix like
>  
> O  O  O  O
> O  O  O  O
> O  O  O  O
> 
> thank you..
>  
> with regards,
> boopathy.
> 
> 
> Thirumalai Shanmuha Boopathy, 
> Zimmer no : 07-15,
> Rtscher strasse 165, 
> 52072  Aachen . 
> Germany.
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