Better yet! -- Bert
On Wed, Aug 14, 2013 at 6:03 PM, Richard M. Heiberger <r...@temple.edu> wrote: > I would use source > >> x<- "2,5-7,10,12-15" >> source(textConnection(paste("c(", gsub("\\-", ":", x), ")")))$value > [1] 2 5 6 7 10 12 13 14 15 > > > > On Wed, Aug 14, 2013 at 8:10 PM, Bert Gunter <gunter.ber...@gene.com> wrote: >> >> Neither gsubfn nor eval(parse)) is required, of course: >> >> > x<- "2,5-7,10,12-15" >> > z <-strsplit(scan(text=x,sep=",",wh="a"),split="-") ## use scan to >> > vectorize the string >> > l <- lapply(z,as.numeric) >> > unlist(lapply(l,function(x){ >> last <- x[length(x)] ## alternately could use if() on the length of x >> seq(from=x[1],to=last) >> })) >> >> [1] 2 5 6 7 10 12 13 14 15 >> >> >> Cheers, >> Bert >> >> >> On Wed, Aug 14, 2013 at 3:34 PM, arun <smartpink...@yahoo.com> wrote: >> > Hi, >> > May be this helps: >> > library(gsubfn) >> > as.numeric(strsplit(gsub("[c() ]","",gsubfn("([0-9]+)-([0-9]+)", >> > ~as.numeric(seq(x,y)),x)),",")[[1]]) >> > #[1] 2 5 6 7 10 12 13 14 15 >> > A.K. >> > >> > >> > >> > ----- Original Message ----- >> > From: Chris Stubben <stub...@lanl.gov> >> > To: r-help@r-project.org >> > Cc: >> > Sent: Wednesday, August 14, 2013 1:41 PM >> > Subject: [R] convert delimited strings with ranges to numeric >> > >> > Is there an easy way to convert character strings with comma-separated >> > numbers and ranges to a numeric vector? >> > >> > x<- "2,5-7,10,12-15" >> > >> > [1] 2 5 6 7 10 12 13 14 15 >> > >> > Thanks, >> > Chris >> > >> > >> > -- >> > >> > Chris Stubben >> > >> > Los Alamos National Lab >> > Bioscience Division >> > MS M888 >> > Los Alamos, NM 87545 >> > >> > ______________________________________________ >> > 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. >> > >> > >> > ______________________________________________ >> > 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. > > -- 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.