[R] Odp: how to find smallest non-negative and biggest non-positive number in a matrix column ?
petr.pikal at precheza.cz
Wed Dec 8 10:24:58 CET 2010
AFAIK there is no other number fulfilling both criteria other than zero.
So if you want both criteria to be true (as your "and" suggests), just
check if there is zero.
r-help-bounces at r-project.org napsal dne 08.12.2010 09:52:55:
> so it could be zero in both cases when given column has 0 set in it
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