[R] Deleting rows or cols that do not meet cut off

[Stephan Kolassa]

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