Deleting rows or cols that do not meet cut off
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