[R] discerning plot dots using colors

[Peter Langfelder]

On Tue, Oct 26, 2010 at 3:13 PM, Daisy Englert Duursma
<daisy.duursma at gmail.com> wrote:
> There are several ways to do this but the package ggplot2
>
> library(ggplot2)
> qplot(displ,hwy,data=mpg,colour=factor(cyl))
>
>


That can of course be done also using the standard plot command
(substitute variable names as necessary):

x = elevation
y = richness
color = as.numeric(as.factor(adminArea))

plot(x,y, col = color, bg = color)

Peter