On Wed, Mar 4, 2009 at 2:34 PM, Manli Yan <manliyanrh...@gmail.com> wrote: > Hi: > I need to create many variables at one time,how to do this in R? > for eg ,X1,X2.......X100?
It depends what you want. If you want 100 random normal variables of length 10, stored in a data.frame with names V1, V2, ..., V100 try dat <- as.data.frame(replicate(100, rnorm(10))) hth, Kingsford Jones > > Thanks~ > > [[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. > ______________________________________________ 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.