How about do.call("rbind", j) ? Hadley
On Thu, 28 Oct 2004 09:29:46 -0400, Sean Davis <[EMAIL PROTECTED]> wrote: > I have a list of data frames and I want to concatenate them into a > single data frame, basically appending all of the data frames to each > other (they are all the same shape, in terms of columns). I'm looking > for a nice way to do that. I can of course just consecutively rbind > them to a "master" dataframe, but I have 22,000 such data frames, each > with a few hundred rows, so this process takes a good while. Should be > simple, I imagine.... > > Here is a toy data structure. > j <- list() > for (i in letters[1:26]) {j[[i]] <- > data.frame(rep(i,25),matrix(rnorm(250),nrow=25))} > > Thanks. > > Sean > > ______________________________________________ > [EMAIL PROTECTED] mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html > ______________________________________________ [EMAIL PROTECTED] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html