On Thu, 5 Jul 2012, Rui Barradas wrote:
Just to give it a try, you've written 'idvars' when it's 'id.vars'.
Rui, Oops! That was the problem. No matter how often I looked at the syntax I kept missing that.
Hope this helps,
Most definitely! Thanks for spotting it, Rich ______________________________________________ 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.