Thank you, that's works just fine. Luca Il giorno 29/ago/2011, alle ore 23.48, H. T. Reynolds ha scritto:
> Hi, > > I use xtabs with the weight variable on the left hand side of the formula as > in > > xtabs(weight ~ opinion + gender + ...) ______________________________________________ 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.
