try this: > x V1 V2 V3 1 0 3 1 2 1 2 0 3 1 2 0 > unique(x) V1 V2 V3 1 0 3 1 2 1 2 0 > nrow(unique(x)) [1] 2 >
2009/9/8 "Biedermann, Jürgen" <juergen.biederm...@charite.de>: > Hi there, > > Does anyone know a method to calculate the number of different patterns in a > given data frame. The variables are of polytomous type and not binary (for > the latter i found a package called "countpattern" which unfortunately only > functions for binary variables). > > V1 V2 V3 > 0 3 1 > 1 2 0 > 1 2 0 > > So, in this case, i would like to get "2" as output. > > Thanks in advance > Jürgen > > ______________________________________________ > 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. > -- Jim Holtman Cincinnati, OH +1 513 646 9390 What is the problem that you are trying to solve? ______________________________________________ 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.