[R] plotting lines and colors

[Joshua Wiley]

On Fri, Aug 6, 2010 at 9:42 AM, Erin Hodgess <erinm.hodgess at gmail.com> wrote:
> Dear R People:
>
> Suppose I plot the following
>
> plot(1:50)
>
> Is there a way to plot, say, [1:25] in red and [26:50] in blue, please?

One simple way is with the col argument, there are certainly fancier
solutions too.

plot(1:50, col = rep(c("red","blue"), each = 25))

Cheers,

Josh

>
> (or should I just plot 2 separate lines, please?)
>
> I'm about 99% sure that there is no way without 2 lines.
>
> thanks for any help,
> Sincerely,
> Erin
>
>
> --
> Erin Hodgess
> Associate Professor
> Department of Computer and Mathematical Sciences
> University of Houston - Downtown
> mailto: erinm.hodgess at gmail.com
>
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-- 
Joshua Wiley
Ph.D. Student, Health Psychology
University of California, Los Angeles
http://www.joshuawiley.com/