If you know explicitly that there are just 60 points, you can use:
plot(csr(),col=c(rep('blue',20), rep('red',20), rep('green',20)))
On 10/8/05, Sam R. Smith <[EMAIL PROTECTED]> wrote:
>
> Hi,
> I have the following code to
> randomly generate the
> points:
> csr <-function(n=60){
> x=runif(n)
> y=runif(n)
> f=cbind(x,y)
> }
> plot(csr())
>
> I wonder how to code to make the first twenty points to be BLUE; second
> twenty points to be RED; the last twenty points to be GREEN?
>
> Thanks,
> Sam
>
>
>
>
>
>
> ---------------------------------
>
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--
Jim Holtman
Cincinnati, OH
+1 513 247 0281
What the problem you are trying to solve?
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