[R] lines, ecdf and colors

[jim holtman]

Try:

plot(ecdf(x))
lines(ecdf(y), col.hor='blue')

see ?plot.stepfun

On Sat, Nov 8, 2008 at 1:39 PM, eric lee <ericlee100 at gmail.com> wrote:
> Hi.  I'm trying to plot two ecdf's on the same graph using two
> different colors.  I can plot using the same color, but it doesn't
> work when I change colors?  Any suggestions?  Thanks in advance for
> your help.
>
> x <- c(0.80, 0.83, 1.89, 1.04, 1.45, 1.38, 1.91, 1.64, 0.73, 1.46)
> y <- c(1.15, 0.88, 0.90, 0.74, 1.21)
> plot(ecdf(x))
> # it works without col='blue', but doesn't with it
> lines(ecdf(y), col = "blue")
>
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-- 
Jim Holtman
Cincinnati, OH
+1 513 646 9390

What is the problem that you are trying to solve?