See ?xyplot and its argument "legend".
Uwe Ligges
Ravi Varadhan wrote:
> Hi,
>
>
>
> How can I add legends in the "xyplot" function, in the "lattice" library?
> Here is a simulation example:
>
>
>
> x <- runif(90)
>
> z <- sample(1:3, 90, rep=T)
>
> y <- rnorm(90, mean = x^2 + z, sd=1)
>
>
>
> library(lattice)
>
> trellis.par.set(col.whitebg())
>
> xyplot(y ~x, groups=as.factor(z), type = c('p', 'smooth'), span = .67)
>
>
>
> Thanks in advance,
>
> Ravi.
>
>
>
>
> [[alternative HTML version deleted]]
>
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