On 2010-11-27 03:31, Marius Hofert wrote:
Hi,
I get a warning () using
xyplot.<- function(u) {
BW.theme<-
list(strip.background = list(col = "gray90"),
strip.shingle = list(col=c("gray75")),
layout.heights = list(strip = c(1,1)),
axis.text = list(cex = 0.8),
superpose.symbol=list(col=1, pch=20)
)
xyplot(u[,2]~u[,1],par.settings=BW.theme)
}
U<- matrix(runif(20),ncol=2)
b<- xyplot.(U)
b
and it does not change the color. Further, would such an approach change all
colors (including plot symbols, text, background, etc.)?
But it's funny to see because I played around with par.settings as well. I
tried...
library(lattice)
xyplot.<- function(u) {
xyplot(u[,2]~u[,1],par.settings=list(color=FALSE))
}
U<- matrix(runif(20),ncol=2)
b<- xyplot.(U)
b
... but it didn't work :-(
xyplot. <- function(u) {
xyplot(u[,2] ~ u[,1],
par.settings = standard.theme(color=FALSE))
}
see ?xyplot.ts
Peter Ehlers
Cheers,
Marius
On 2010-11-27, at 12:00 , ottorino wrote:
Il giorno sab, 27/11/2010 alle 00.35 +0100, Marius Hofert ha scritto:
The reason why I would like to use trellis.device() within a function
is that
the plot contains a panel.function which contains many calls to
panel.xyplot()
and I do not want to write "col = 1" (e.g.) all the time...
Why not to use a theme like
BW.theme<-
list(strip.background = list(col = "gray90"),
strip.shingle = list(col=c("gray75")),
layout.heights = list(strip = c(1,1)),
axis.text = list(cex = 0.8),
superpose.symbol=list(col=1, pch=20)
)
xyplot(V1~V2, par.settings = BW.theme)
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