Hi Weiwei, I found your post on Mahalanobis distances five years ago.
>/ >>>Error in solve.default(cov, ...) : system is computationally singular: />/ >>>reciprocal condition number = 1.09501e-25 /I have the same problem now - and I don't know how to deal with it. I would be thankful if you could help me with that. All the best, Matthias // [[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.