[EMAIL PROTECTED] napsal dne 17.01.2008 15:08:40:
> There must be a better way but this will do it for
> you.
>
> x <- runif(100, 0, 1)
> y <- runif(100, 0, 1)
> z <- data.frame(x,y)
>
> plot(subset(z, z$y >=.5), col="red", ylim=c(min(z$y),
> max(z$y)), pch=16)
> points(subset(z, z$y <=.49), co
There must be a better way but this will do it for
you.
x <- runif(100, 0, 1)
y <- runif(100, 0, 1)
z <- data.frame(x,y)
plot(subset(z, z$y >=.5), col="red", ylim=c(min(z$y),
max(z$y)), pch=16)
points(subset(z, z$y <=.49), col="blue", pch=15)
--- dxc13 <[EMAIL PROTECTED]> wrote:
>
> useR's
>
dxc13 wrote:
> useR's
>
> I am trying to color the points on a scatter plot (code below) with two
> colors. Red for values 0.5 -1.0 and blue for 0.0 - .49. Does anyone know a
> easy way to do this?
>
> x<- runif(100, 0, 1)
> y<- runif(100, 0, 1)
> plot(y ~ x, pch=16)
>
> Thanks,
> dxc13
You did
You did not say what variable you want to be in the ranges to determine
the colors, but try any of these to see if they do what you want:
> x <- runif(100)
> y <- runif(100)
> z <- runif(100)
> plot(x,y, pch=16, col=ifelse( x < 0.5, 'blue','red'))
> plot(x,y, pch=16, col=ifelse( y < 0.5, 'blue','r
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