Are you trying to color the points themselves? This plots the
first two series in frame 1 (they are the same but one is plotted
as points and the other as a line) and the third series is shown
in frame 2 and for the series of points it colors them green or red.
The lines are all colored black:
library(zoo)
set.seed(1)
x <- zoo(rnorm(10))
s <- sign(x)
plot(cbind(x, x, s), screen = c(1, 1, 2), type = c("p", "l", "l"),
col = list(ifelse(s > 0, "green", "red"), 1, 1), pch = 20)
On Tue, Mar 3, 2009 at 7:48 AM, Sergey Goriatchev <serg...@gmail.com> wrote:
> Hello, everyone
>
> I have a zoo object containing several time series of daily frequency.
> One of these timeseries is an indicator function with value (-1) at
> certain times, and (+1) at the other.
> I do a plot of several of the timeseries in one go (a multiple plot).
> I wonder if I can automatically in EACH plot color the area where
> indicator variable is (-1)?
>
> Of course, I could do it simply with layout() and then for each
> timeseries do plot and a color overlay, but I wonder if with
> plot.zoo() simething similar is possible to do automatically.
>
> Thanks in advance for help!
>
> Best,
> Sergey
>
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