I "knew" it was almost certainly something really stupid. Thanks very much.
John Kane Kingston ON Canada > -----Original Message----- > From: sarah.gos...@gmail.com > Sent: Tue, 25 Mar 2014 14:40:50 -0400 > To: jrkrid...@inbox.com > Subject: Re: [R] Syntax for order() > > dat1[order(dat1$val), ] > > unless you used attach(dat1). > > > Sarah > > On Tue, Mar 25, 2014 at 2:36 PM, John Kane <jrkrid...@inbox.com> wrote: >> Has there been a change in the syntax for order() or am I just making >> some stupid mistake here? >> >> dat1 <-read.table(text=" >> name val >> Alex 4 >> Jim 10 >> Fred 8 >> Julie 44 >> ",sep="",header=TRUE,stringsAsFactors=FALSE) >> dat1[order(val), ] # Gives Error in order(val) : object 'val' not found >> >> dat1[order(dat1[,2]), ] # Works just fine. >> >> John Kane >> Kingston ON Canada >> > > -- > Sarah Goslee > http://www.functionaldiversity.org ____________________________________________________________ Protect your computer files with professional cloud backup. Get PCRx Backup and upload unlimited files automatically. Learn more at http://backup.pcrx.com/mail ______________________________________________ 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.
