Using data frame CO2, built into R, try this:
library(lattice)
p <- function(..., col) {
panel.xyplot(..., type = "p", col = col[1])
panel.xyplot(..., type = "smooth", col = col[2])
}
xyplot(conc ~ uptake | Treatment, CO2, panel = p, col = 1:2)
On Mon, Mar 2, 2009 at 9:13 AM, Paul Heinrich Dietrich
<paul.heinrich.dietr...@gmail.com> wrote:
>
> Hi,
> I am plotting scatterplots of horsepower by torque, conditional on brand
> (I'm just making up the variables for this example), and the goal is to see
> both the scatterplot points as well as the smoothed line. When I do the
> following code, I get the same color for the points and line, and would like
> the colors to be different, such as black points and a red smoothed line.
> How do I do that? I can't find any examples or figure out how to manipulate
> color. Thanks.
>
> xyplot(horsepower ~ torque | brand, MyData, type=c("p","smooth"))
> --
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> http://www.nabble.com/xyplot-color-question-tp22288842p22288842.html
> Sent from the R help mailing list archive at Nabble.com.
>
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