> Try this;
>
> > f <- c( 'A', 'B', 'A', 'C', 'B', 'D', 'B')
> > n <- c('1', '2', '2', '3', '2', '2', '3')
> > table(paste(f, n))Thanks for the incredibly fast answer! I'll give this a shot! -- Fabrice DELENTE ______________________________________________ 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.
