Thanks for the very useful tips! Now I have enough round and square bracket and other tricks to wrap up the function! The double square bracket trick in test[[varname]] is golden!
Thanks again, Sander. ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
