On 3/10/2017 2:23 AM, Bert Gunter wrote:
I think you need to spend some time with an R tutorial or two, especially with regard to indexing. Unless I have misunderstood (apologies if I have), df$Conc <- apply(df[,-1],1,paste,collapse="") does it. -- Bert
\ Thanks -- sage advice. ______________________________________________ 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.
