I guess you're looking for reshape()? HTH, Andy
> From: Murray Keir > > Hi. I used R years ago at Uni but haven't touched it since, > so I'm back to beginner level now. After looking through the > manuals for a while I've come to the conclusion I don't know > where to start looking for what I'm looking for, so I decided > to ask for help. > > I've got a fairly simple data frame with an identifier, > period and score. There are a few hundred seperate > identifiers and the period is from 0 to 36. I'd like to > pivot this so that it's a matrix of scores, with identifiers > as column headers and periods as row headers. I'd then like > to run an ARIMA on each of the columns. > > Thanks > Murray ------------------------------------------------------------------------------ Notice: This e-mail message, together with any attachments,...{{dropped}} ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html