telm8 <chienlinterry.huang <at> postgrad.manchester.ac.uk> writes:
> > > Thank worked! Thank you so much!!! in general it is safer (I think) to test inherits(try(log("a")),"try-error") which takes care of the case when class(try(log("a"))) has length > 1 ______________________________________________ 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.