Hi Fabio Works OK for me.
> par(mfrow=c(2,2)) > par("mfrow") [1] 2 2 > But then I am using Windows ... > sessionInfo() R version 2.7.1 (2008-06-23) i386-pc-mingw32 locale: LC_COLLATE=English_United Kingdom.1252;LC_CTYPE=English_United Kingdom.1252;LC_MONETARY=English_United Kingdom.1252;LC_NUMERIC=C;LC_TIME=English_United Kingdom.1252 What are you using? Regards John --- -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Fabio Sanchez Sent: 23 July 2008 10:56 To: [EMAIL PROTECTED] Subject: [R] par() function does not work Dear R-nautes, I installed the 2.7.1 version of R and found it is not possible to modify graphical parameters with par(). for example; > par(mfrow=c(2,2)) Error in c(2, 2) : unused argument(s) (2) > par$mfrow NULL Does any one know what is the cause of this problem? Regards, Fabio -- Fabio Sánchez, MD, MSc, PhD Unit of Dermatology and Venereology Department of Medicine Karolinska Institute SE-17176 Karolinska University Hospital Phone: +46 8 51772158 Fax: +46 8 51773620 [[alternative HTML version deleted]] ______________________________________________ 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.