Hi Wacek, Wacek Kusnierczyk schrieb:
... or gain a bit on performance by doing the threshold comparison on the whole matrix just once at once:dd = d <= 1 d[apply(d, 1, any), apply(d, 2, any)]
d[apply(dd, 1, any), apply(dd, 2, any)] Or not? Cheers, Stephan ______________________________________________ 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.
