Dear Jürgen, If x is your data, here are two suggestions: # Suggestion 1 length(unique( apply(x, 1, paste, sep="", collapse="") ) ) # [1] 2
# Suggestion 2 res <- as.data.frame( xtabs( ~. , as.data.frame( x ) ) ) dim(res[res$Freq > 0,])[1] # [1] 2 HTH, Jorge 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. > [[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.