[R] lattice: limits in reversed order with relation="same"
Thaler, Thorn, LAUSANNE, Applied Mathematics
Thorn.Thaler at rdls.nestle.com
Mon Aug 30 12:27:23 CEST 2010
I want an x-axis which has xlim=c(max, min) rather than xlim=c(min, max)
in order to reflect the type of the process (cooling):
myprepanel <- function(x,y,...) list(xlim=rev(range(x)))
x <- rep(1:10, 100)
z <- factor(sample(10, 1000, T))
y <- rnorm(1000, x, as.numeric(z))
xyplot(y~x|z, scales=list(x="free"), prepanel=myprepanel)
This works as expected. But I don't like to have the x-axis annotation
in every panel since in fact it is the same in every panel. Doing the
same with relation="same" does not work, however. From "Lattice -
Multivariate Data Visualization with R" p.142:
"Note that this will not work when relation="same", because in that case
the process of combining limits from different packets makes the final
limit sorted [...]"
So which part do I have to change to get a multipanel plot with x-axis
in reversed order but where the x-axes are only drawn in the panels at
the boundary (like in xyplot(y~x|z))? Do I have to provide an own axis
Any help appreciated.
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