James Rome wrote:
On 3/31/2010 10:01 PM, Berwin A Turlach wrote:
G'day James,
On Wed, 31 Mar 2010 21:44:31 -0400
James Rome <jamesr...@gmail.com> wrote:
I need to make a bunch of PDF files of histograms.
[...]
What am I doing wrong?
http://cran.ms.unimelb.edu.au/doc/FAQ/R-FAQ.html#Why-do-lattice_002ftrellis-graphics-not-work_003f
HTH.
Cheers,
Berwin
--------------------------
I got it. Thanks. I forgot to assign the graph to a variable. :-(
for( gate in gatelist) {
outfile = paste("../", airport, "/", airport, "taxiHistogram", gate,
".pdf", sep="")
pdf(file = outfile, width = 10, height=8, par(lwd=1))
title=paste("Taxi time for Arrival Gate", gate, "by Runway at", airport)
gdf = mdf[mdf$ArrivalGate == gate, ]
gdf$tt= gdf$TaxiTime/60
g = histogram(~(gdf$tt) | gdf$Runway, data=gdf, type="count",
ylab="Count", breaks=20, main=title,
xlab="taxi time (min)", par.strip.text=list(cex=0.7))
print(g)
dev.off()
}
works. Is there a way to make all the plots pages in one pdf file?
Hi,
Put the pdf() and the dev.off() outside the loop and the plots will be
on separate pages in the same pdf file.
pdf()
loop
dev.off()
cheers,
Paul
Thanks,
Jim
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.