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symbolic
2007 Dec 25
1
both lines and plot characters in a lattice plot key
...from light to dark gray (instead of a
single color), matching the colors in my specified variable "colors"
if possible, i.e. a single line segment starting from light gray and
ending with a dark gray.
Thanks very much in advance!
Jan
library(lattice)
x=c(1,2,3,4,5)
y=c(5,4,3,2,1)
symbolvec=c(3,3,3,1,3)
colorseq=seq(0.25,0.88,length=5)
colors=gray(colorseq)
colorvec=colors
xyplot(y~x,
panel=function(...){
panel.xyplot(...,type="n")
lpoints(x,y,pch=symbolvec,col=colorvec)
},
key=list(x=0.2,y=0.2,lines=list(lty=c(0,0,1)),points=list(pch=c
(1,3,26)),text=list(c("key...