[R] Symbol size in plots

[Uwe Ligges]

Maurizio Pisati wrote:
> 
> Dear R-listers,
> what is the best way to draw an XY scatterplot with symbol size
> proportional to the value taken on by a third variable?
> Thank you very much for any help,
> Maurizio Pisati

Have a look at:
?symbols

e.g.:
symbols(1:10,1:10,circles=1:10, inches=0.1)

Uwe Ligges
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