Not necessarily. If the OP really meant the R list() structure, then is.element does not apply. If a vector was what was intended, then it does -- provide all elements are of the same mode. With such a vague post, it's hard to know.
-- Bert On Mon, Jul 30, 2012 at 6:06 AM, Jean V Adams <jvad...@usgs.gov> wrote: > ?is.element > > Jean > > > cm <bunnylove...@optonline.net> wrote on 07/30/2012 07:55:34 AM: >> >> I need to write an if/then statement saying something along the lines > of: >> if (VALUE is in list) {... >> How do I write that in R's language. >> Thanks! > > [[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 ______________________________________________ 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.