mark at myatt.demon.co.uk
Mon Jul 1 15:50:05 CEST 2002
Remigijus Lapinskas <remigijus.lapinskas at maf.vu.lt> writes:
>My vector aa has some NA's:
> NA FALSE
> NA NA
>How can I detect NA's?
>In other words, I would like my answer to be TRUE FALSE.
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