Hi, how can I make the point characters thicker (NOT larger) in xyplot when
groups= argument is used?
dat<-data.frame(x=1:100,y=1:100,group=rep(LETTERS[1:5],each=20))
### lwd=2 doesn't work here
xyplot(y~x,groups=group,data=dat,col=1:4,pch=1:4,lwd=2)
### lwd=2 works with panel.points(), but grouping is messed up!
xyplot(y~x,groups=group,data=dat,col=1:4,pch=1:4,
panel=function(...) {panel.points(...,lwd=2)})
### group is correct with panel.superpose(), but lwd=2 doesn't work!
xyplot(y~x,groups=group,data=dat,col=1:4,pch=1:4,
panel=function(...) {panel.superpose(...,lwd=2)})
Any suggestions?
Thanks
John
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