> You can replace the previous line by: > > browser(expr=(a!=old.a) > > see ?browser for details.
I don't understand why you'd want to do that - using if is much more readable to me (and is much more general!) Hadley -- Assistant Professor / Dobelman Family Junior Chair Department of Statistics / Rice University http://had.co.nz/ ______________________________________________ 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.
