NA=NA

Remigijus Lapinskas <remigijus.lapinskas at maf.vu.lt> writes:

Hello R-help,

My vector aa has some NA's:

aa_c(NA,1)
aa=="NA"

[1]    NA FALSE

aa==NA

[1]   NA   NA

How can I detect NA's?
In other words, I would like my answer to be TRUE  FALSE.

Is,na()


--
Mark Myatt


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