Cristian Montes wrote:
Even shorter isx<-c("a","b","c","d") paste(x, sep="+")
> x<-c("a","b","c","d") > paste(x, sep="+") [1] "a" "b" "c" "d" ______________________________________________ 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.