If you have it as a character string, then you have to evaluate it: > x <- '1:3' > x + 10 Error in x + 10 : non-numeric argument to binary operator No suitable frames for recover() > eval(parse(text=x))+10 [1] 11 12 13 >
On Fri, Aug 28, 2009 at 11:04 AM, Peng Yu<pengyu...@gmail.com> wrote: > Hi, > > $ cat commandArgs.R > args=commandArgs(trailingOnly=TRUE) > args[1]+10 > > I have the above code. But the following command line gives me an error. I > am wondering what is the correct way to convert a string to a vector? > > $ Rscript commandArgs.R 1:3 >> args=commandArgs(trailingOnly=TRUE) >> args[1]+10 > Error in args[1] + 10 : non-numeric argument to binary operator > Execution halted > > > Regards, > Peng > > [[alternative HTML version deleted]] > > ______________________________________________ > 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. > -- Jim Holtman Cincinnati, OH +1 513 646 9390 What is the problem that you are trying to solve? ______________________________________________ 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.
