Hi OTOH I wonder why cbind gives error as OP told us
x <- data.frame(x = 1:5) y <- data.frame(y = 6:15) merge(x,y) cbind(x,y) Gives different results but without any error. Regards Petr > > On Thu, Aug 2, 2012 at 4:52 PM, Ayyappa Chaturvedula > <ayyapp...@gmail.com> wrote: > > Michael, > > Thank you for this , it worked. I was thinking "by" is a required argument > > in merge function. > > > > Well, it is "required" in a strict sense, but it has a default value > (defaulting to the shared names) so _you_ don't have to specify it. > > Best, > Michael > > > Regards, > > Ayyappa > > > > ______________________________________________ > 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.
