Forgot to add that function collation "and"'s two binary vectors.
For example 1 0 0 and 1 0 1 in collation returns 1 0 0. But how already said, the algorithm itself should work fine because with small graphs I don't have problems ______________________________________________ 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.