[R] points() colored by value

[R. Michael Weylandt <michael.weylandt@gmail.com>]

Try either col=z or col=rainbow(max(z))[z] depending on what color scheme you want. 

Michael 

On Nov 15, 2011, at 1:47 PM, Chris82 <rubenbauar at gmx.de> wrote:

> Hi R users,
> 
> I want to colored points by their value
> 
> for example:
> 
> x <- c(1,2,3,4)
> y <- c(1,2,3,4)
> z <- c(2,3,4,9)
> 
> y and x are coordinates
> 
> z is the value of the coordinates
> 
> points(x,y,col= rainbow(z))
> 
> something like that
> 
> But haven't found any solution at the moment.
> 
> Thanks.
> 
> Chris
> 
> 
> 
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