Try: print(xyplot(N_female~eval(parse(text=i)) |group,xlab=i,ylab="Abundance"))
Steve Riley, PharmD, PhD Clinical Pharmacology Specialty Care Medicines Development Group Pfizer Inc. 50 Pequot Ave MS-6025-B2110 New London, CT 06320 Email: steve.ri...@pfizer.com Phone: (860) 732-1796 >>-----Original Message----- >>From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] >>On Behalf Of Sacha Viquerat >>Sent: Monday, March 07, 2011 12:28 PM >>To: r-help@r-project.org >>Subject: [R] png inside loop >> >>hello list! I'm sorry, I just stumbled over this strange behaviour (at >>least I am not able to explain the behaviour, therefore I assume it to >>be a strange behaviour): >> >>attach(water) # I know, this is not recommended >> >>names(water[3:10]) >>[1] "temp" "pH" "DO" "BOD" "COD" "no3" "no2" "po4" >> >>for (i in names(water)[3:10]){ >> fname<-paste("Henni/GFX/fem",i,".png",sep="") >> mname<-paste("Henni/GFX/mal",i,".png",sep="") >> png(fname,1000,1000) >> xyplot(N_female~eval(parse(text=i)) |group,xlab=i,ylab="Abundance") >> graphics.off() >> png(mname,1000,1000) >> xyplot(N_male~eval(parse(text=i)) |group,xlab=i,ylab="Abundance") >> graphics.off() >>} >> >>well, to anyone's surprise, there are no plots in the folder. the loop >>finishes (i, fname and mname have values assigned) and executing >> >>png(fname,1000,1000) >>xyplot(N_female~eval(parse(text=i)) |group,xlab=i,ylab="Abundance") >>graphics.off() >> >>does produce a png in the folder. I assume this to be caused by the png >>function, since removing the graphics.off() and playing with dev.off() >>and the likes did not help. anyone ideas?? am I missing the obvious?? >> >>______________________________________________ >>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. ______________________________________________ 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.
