On Tue, Jul 10, 2012 at 4:23 PM, FJ M <chicagobrownb...@hotmail.com> wrote:
> 3) attach the data so that the headers become objects that contain the data > attach(v_data) This is a discouraged practice as it leads to difficult to trace errors and non-local effects. Some "big names" of the R universe suggest it [I think V of V&R mentioned it in Nashville] but others are just as strongly against, particularly for beginners. Beter is to make use of formula= and data= arguments when available, and with/within elsewise. Best, Michael ______________________________________________ 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.
