You are probably looking for the structable and related functions in the vcd package. Be sure to read the vignettes
library(vcd) X <- data.frame(Titanic) XS <- structable(~Class+Sex+Age+Survived, data=X) as.table(XS) is.array(XS) Rich On Fri, Oct 21, 2011 at 5:56 PM, Luk Arbuckle <luk.arbuc...@gmail.com>wrote: > I need something that will work with any, possibly very large, data > frame. This dataset is only a very small example. > > On 2011-10-21, at 17:31, David L Carlson <dcarl...@tamu.edu> wrote: > > > How about? > > > >> x <- array(Titanic, dim=c(4,2,2,2)) > >> str(x> > > num [1:4, 1:2, 1:2, 1:2] 0 0 35 0 0 0 17 0 118 154 ... > > > > ---------------------------------------------- > > David L Carlson > > Associate Professor of Anthropology > > Texas A&M University > > College Station, TX 77843-4352 > > > > > > -----Original Message----- > > From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] > On > > Behalf Of Luk Arbuckle > > Sent: Friday, October 21, 2011 3:16 PM > > To: r-help@r-project.org > > Subject: [R] Converting data frame into multidimensional array > > > > Consider the following data frame > > > > X <- data.frame(Titanic) > > > > Does anyone know of an easy way to convert X into a multidimensional > > array? Example that doesn't work > > > > X <- as.array(X, dim=c(4,2,2,2)) > > > > To do what I need, X needs to be converted into an array of dimensions > > c(4,2,2,2) in this case, not a table. > > > > Thanks in advance. > > > > ______________________________________________ > > 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<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<http://www.r-project.org/posting-guide.html> > and provide commented, minimal, self-contained, reproducible code. > [[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.
