Also you have to be very careful. e.g. > BOD Time demand 1 1 8.3 2 2 10.3 3 3 19.0 4 4 16.0 5 5 15.6 6 7 19.8 > attach(BOD) > Time <- Time + 1 > BOD # oops! BOD was not changed Time demand 1 1 8.3 2 2 10.3 3 3 19.0 4 4 16.0 5 5 15.6 6 7 19.8
On Tue, Sep 22, 2009 at 12:18 AM, hadley wickham <h.wick...@gmail.com> wrote: >>> From: hadley wickham <h.wick...@gmail.com> >>> >>> Don't use attach? >> >> Obvously good advice but why? > > Philosophically, it's better to be explicit than implicit, and the > extremely non-local effects of attach can make debugging difficult. > > Hadley > > > -- > 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. > ______________________________________________ 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.
