Try this: > ftable(CO2[1:3]) Treatment nonchilled chilled Plant Type Qn1 Quebec 7 0 Mississippi 0 0 Qn2 Quebec 7 0 Mississippi 0 0 Qn3 Quebec 7 0 Mississippi 0 0 Qc1 Quebec 0 7 Mississippi 0 0 Qc3 Quebec 0 7 Mississippi 0 0 Qc2 Quebec 0 7 Mississippi 0 0 Mn3 Quebec 0 0 Mississippi 7 0 Mn2 Quebec 0 0 Mississippi 7 0 Mn1 Quebec 0 0 Mississippi 7 0 Mc2 Quebec 0 0 Mississippi 0 7 Mc3 Quebec 0 0 Mississippi 0 7 Mc1 Quebec 0 0 Mississippi 0 7 >
On Mon, Apr 13, 2009 at 8:39 AM, Nigel Birney <na...@cam.ac.uk> wrote: > > Hi, I have a dynamic table structure consisting of N factors (e.g. columns > Factor_1, Factor_2,..Factor_N). > > I want to construct a table that has as rows the level combinations of > factors F_1..F_n-1, and as columns the levels of the factor Fn. The cells of > the table would contain the number of cases that correspond to these level > combinations. How can I do this? > > -- > View this message in context: > http://www.nabble.com/Interaction-of-a-dynamic-number-of-factors-tp23021835p23021835.html > Sent from the R help mailing list archive at Nabble.com. > > ______________________________________________ > 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.