On Mon, Dec 1, 2008 at 12:53 PM, Reitsma, Rene - COB <[EMAIL PROTECTED]> wrote: > Dear All, > > I'm hoping one of you can help me with the following R problem. I'm > trying to refer to a member of a list by variable. However, this seems > not to work: > > foo=list(first=c(1:10),second=c(11:20)) > >> foo$first > [1] 1 2 3 4 5 6 7 8 9 10 > >> foo$"first" > [1] 1 2 3 4 5 6 7 8 9 10 > >> goo=c("first") > >> foo$goo > NULL > >> foo$goo[1] > NULL >
foo[[goo]] which you'll find in ?"$" under the heading "Recursive (list-like) objects" 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.