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 ========================== Full address ============================ Berwin A Turlach Tel.: +61 (8) 6488 3338 (secr) School of Maths and Stats (M019) +61 (8) 6488 3383 (self) The University of Western Australia FAX : +61 (8) 6488 1028 35 Stirling Highway Crawley WA 6009 e-mail: ber...@maths.uwa.edu.au Australia http://www.maths.uwa.edu.au/~berwin print() did not help, and I get strange messages about mode(onefile) not being changed: + 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$TaxiTime/60 + histogram(~(gdf$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() + dev.off() + } Warning: 'mode(onefile)' differs between new and previous ==> NOT changing 'onefile' Error in print.default() : element 1 is empty; the part of the args list of '.Internal' being evaluated was: (x, digits, quote, na.print, print.gap, right, max, useSource, noOpt) > I would actually like all the histograms in one pdf file too... ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
