Well how do you want it be made into a matrix if the rows are all different lengths? Methinks you are finding this tricky for a reason...
Michael On Mon, Oct 3, 2011 at 11:40 AM, Benjamin Wright <bj...@well.ox.ac.uk> wrote: > > I'm struggling to find a way of parsing a vector of data in this sort of form: > > A,B,C > B,B > A,AA,C > A,B,BB,BBB,B,B > > into a matrix (or data frame). The catch is that I don't know a priori how > many entries there will be in each element, nor how many characters there > will be. strsplit(vec,",") gets me a list, but I can't find a way of turning > the list into a matrix. unlistlst) destroys the length data and > do.call("rbind", lst) fails because of the uneven lengths. It is possible to > go through the vector element by element, but that has proved too slow for my > purposes. > > Is there a reasonably quick method of achieving this in a vector-oriented way? > > Cheers, > > Ben > > [[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.