Hello Starter Before posting, please read relevant Help files!
?"$" where it tells you: "x$name is equivalent to x[["name", exact = FALSE]]. Also, the partial matching behavior of [[ can be controlled using the exact argument." ..etc. -- Bert On Mon, Mar 25, 2013 at 12:21 PM, Andrew Lin <hlin0...@gmail.com> wrote: > Hi folks, > > I am starter for R. While I tried list as following: > > > l <- list() > > l$foo > NULL > > l$foobar <- 1 > > l$foo > [1] 1 > > Apparently, foo and foobar are different name for elements in list > (actually > foo does not exist). But why they are sharing same value? > > Thanks a lot! > > Max > > [[alternative HTML version deleted]] > > ______________________________________________ > 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. > -- Bert Gunter Genentech Nonclinical Biostatistics Internal Contact Info: Phone: 467-7374 Website: http://pharmadevelopment.roche.com/index/pdb/pdb-functional-groups/pdb-biostatistics/pdb-ncb-home.htm [[alternative HTML version deleted]] ______________________________________________ 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.