Try this also: with(expand.grid(x,y), paste(Var1, Var2, sep = ""))
On Fri, Dec 5, 2008 at 1:08 PM, <[EMAIL PROTECTED]> wrote: > Got it...I completely overlooked the collapse argument to paste(): > > apply(expand.grid(x,y),1,function(x) paste(x,collapse="")) > > > > Rory Winston > RBS Global Banking & Markets > Office: +44 20 7085 4476 > > -----Original Message----- > From: WINSTON, Rory, GBM > Sent: 05 December 2008 14:30 > To: WINSTON, Rory, GBM; [EMAIL PROTECTED] > Cc: r-help@r-project.org > Subject: RE: [R] Cartesian Product Of Character Vectors > > Sorry, I spoke too soon... > > interaction() only works for sequences of equal length. Anyone know a > method that works with unequal-length vectors? > > > Rory Winston > RBS Global Banking & Markets > Office: +44 20 7085 4476 > > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] > On Behalf Of WINSTON, Rory, GBM > Sent: 05 December 2008 14:20 > To: [EMAIL PROTECTED] > Cc: r-help@r-project.org > Subject: Re: [R] Cartesian Product Of Character Vectors > > Hi David > > Perfect - if I specify sep="", it gives me exactly what I need. > > Cheers > > > > Rory Winston > RBS Global Banking & Markets > Office: +44 20 7085 4476 > > -----Original Message----- > From: David Winsemius [mailto:[EMAIL PROTECTED] > Sent: 05 December 2008 14:16 > To: WINSTON, Rory, GBM > Cc: r-help@r-project.org > Subject: Re: [R] Cartesian Product Of Character Vectors > > Does this satisfy? > > levels(interaction(x,y)) > [1] "aaa.1" "bbb.1" "ccc.1" "aaa.2" "bbb.2" "ccc.2" "aaa.3" "bbb.3" > "ccc.3" > > -- > David Winsemius > > > On Dec 5, 2008, at 8:12 AM, <[EMAIL PROTECTED]> <[EMAIL PROTECTED]> > wrote: > > > Hi all > > > > (I'm sure this question has been asked before, but I cant find it). > > > > If I have two character vectors: > > > >> x <- c("aaa","bbb","ccc") > >> y <- c("1","2","3") > > > > How can I get the cartesian product of the string values? > > > >> expand.grid(x,y) > > > > Gives me a data frame with separate columns...however, I cant seem to > > get *apply to paste the column values together. > > > > Thanks > > Rory > > > > Rory Winston > > RBS Global Banking & Markets > > 280 Bishopsgate, London, EC2M 4RB > > Office: +44 20 7085 4476 > > > > > > > > ********************************************************************** > > ************* The Royal Bank of Scotland plc. Registered in Scotland > > No 90312. > > Registered Office: 36 St Andrew Square, Edinburgh EH2 2YB. > > Authorised and regulated by the Financial Services Authority > > > > This e-mail message is confidential and for use by the=2...{{dropped: > > 25}} > > > > ______________________________________________ > > 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. > > ______________________________________________ > 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. > -- Henrique Dallazuanna Curitiba-Paraná-Brasil 25° 25' 40" S 49° 16' 22" O [[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.
