Try reading the Help files before posting here. That's what they're for. ?get
provides the answer in a note in the Help page. Cheers, Bert Bert Gunter "Data is not information. Information is not knowledge. And knowledge is certainly not wisdom." -- Clifford Stoll On Tue, Jul 7, 2015 at 1:53 PM, Jun Shen <jun.shen...@gmail.com> wrote: > Dear list, > > Let's say we have a variable (id), whose name is dynamically constructed. > This variable represents a vector or data frame with many elements. Now I > want to specifically assign a value to one of the elements. I couldn't get > it right. > > test <- 'id' # "id" is dynamically constructed through paste() > > id <- 1:4 > > # I can get the element by doing > > get(test)[2] > > # Now I want to assign a value to the second element of this dynamical > variable. > > get(test)[2] <- 5 # doesn't work. > > Thanks a lot. > > Jun Shen > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > 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 -- To UNSUBSCRIBE and more, see 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.