Thanks Ulrik and Bob for your reply. gsub worked for one column!
If I want to replace the whole data frame, gsub doesn't seem to work. Any idea On Fri, May 27, 2016 at 11:14 AM, Ulrik Stervbo <ulrik.ster...@gmail.com> wrote: > use gsub() > > On Fri, 27 May 2016 at 17:12 Jun Shen <jun.shen...@gmail.com> wrote: > >> Dear list, >> >> Say I have a data frame >> >> test <- data.frame(C1=c('a,b,c,d'),C2=c('g,h,f')) >> >> I want to replace the commas with semicolons >> >> sub(',',';',test$C1) -> test$C1 will only replace the first comma of a >> string. >> >> How do I replace them all in one run? Thanks. >> >> Jun >> >> [[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. >> > [[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.