Thanks, but how to get the string like this: "35.84375_-100.71875" use the minus sign instead of dot.
On Thu, Jul 28, 2016 at 2:38 PM, jim holtman <jholt...@gmail.com> wrote: > just strip off the first character: > > > a > [1] "X35.84375_.100.71875" > > a.new <- sub("^.", '', a) > > a.new > [1] "35.84375_.100.71875" > > > > > Jim Holtman > Data Munger Guru > > What is the problem that you are trying to solve? > Tell me what you want to do, not how you want to do it. > > On Thu, Jul 28, 2016 at 3:51 PM, lily li <chocol...@gmail.com> wrote: > >> Hi R users, >> >> I have a string for example 'X35.84375_.100.71875', and I have another >> dataframe df that I want to export with the transformed string name >> '35.84375_-100.71875' with no extension. How to do this in R? Thanks for >> your help. >> >> a = 'X35.84375_.100.71875' >> write.table(df, file='', row.names=F, col.names=F) >> >> [[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.