If you use the shortcut $ then R will use partial matching to hunt for the list element you mean. l$fo will also match.
l[["foo"]] will not match - the full subsetting construct doesn't use partial matching. I think the intro to R covers this, and you can also see ?"$" ?"[[" Sarah On Monday, March 25, 2013, Andrew Lin 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 <javascript:;> 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. > -- Sarah Goslee http://www.stringpage.com http://www.sarahgoslee.com http://www.functionaldiversity.org [[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.
