On Wed, 2007-10-03 at 21:31 +0000, lamack lamack wrote: > Dear all, there is an R function do a frequency table considering a weight > variable? > > M A 23 > M B 34 > F A 23 > F B 45 > > I would like a table like this > > A B > M 23 34 > F 23 45
See ?xtabs For example, given a data frame 'DF': > DF V1 V2 V3 1 M A 23 2 M B 34 3 F A 23 4 F B 45 > xtabs(V3 ~ V1 + V2, DF) V2 V1 A B F 23 45 M 23 34 HTH, Marc Schwartz ______________________________________________ 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.
