Yes Chuck, you're right. Thanks for the help. It was a data.frame not a matrix (I had called as.matrix() in my script much earlier but that line of code didn't run because I misnamed the object!). My bad. Thanks for the help. And I'm VERY relieved R isn't that inefficient...
Matt On Wed, Apr 16, 2008 at 3:39 PM, Rolf Turner <[EMAIL PROTECTED]> wrote: > > On 17/04/2008, at 9:33 AM, Charles C. Berry wrote: > > <snip> > > > > > I'll lay odds that Matthew's 'matrix' is actually a data.frame, and I'll > not be surprised if the columns are factors. > > > > <snip> > > I suspect that you're right. > > ***Why*** can't people distinguish between data frames and matrices? > If they were the same <expletive deleted> thing, there wouldn't be two > different terms for them, would there? > > cheers, > > Rolf Turner > > ###################################################################### > Attention:This e-mail message is privileged and confidential. If you are > not theintended recipient please delete the message and notify the > sender.Any views or opinions presented are solely those of the author. > > > > This e-mail has been scanned and cleared by > MailMarshalwww.marshalsoftware.com > ###################################################################### > -- Matthew C Keller Asst. Professor of Psychology University of Colorado at Boulder www.matthewckeller.com ______________________________________________ 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.