Dear List members,
I am trying to produce some trellis graphics and to save them in a
postscript file but I only get blank files. R behaviour is certainly
strange because I use a loop to generate the graphics (see code below).
When I change the loop variable myself the postscript graphics are OK.
I am using R 1.9.1 (2004-06-21) on Debian GNU/Linux which I try to keep
updated on a daily basis. I am aware of some problems in R 1.9.0 but
I don't know if it has been fixed yet. And nobody mentioned problems
with loops.
Any ideas? Thanks in advance.
Best regards,
Virgilio
for(centre in 1:3)
{
for(method in 1:12)
{
auxdata<-
as.data.frame(t(table.thres[c(method,16),1+(centre-1)*250+(1:250)]))
names(auxdata)<-c("Threshold", "Parameters")
trellis.device(postscript,
file=paste("plots/thresold-",method,"-",centre,".eps", sep=""),
onefile=FALSE, color=TRUE)
bwplot(Threshold~Parameters, data=auxdata,
groups=Parameters,
main=list(label=get.method(method), cex=1.5),
horizontal=FALSE, pch=".", scales=list(cex=1.5),
par.strip.text=list(cex=1.5))
dev.off()
}
}
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