Christian, Have you looked at TM?
There is also Quantitative Corpus Linguistics with R by Stefan Gries, which you may find of interest.
Tau, Readme and rattle might be worth looking into. See also: http://ses.telecom-paristech.fr/lebart/ regards Bob ______________________________________________ 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.