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Consistant test for NAs in a factor when exclude = NULL?
2011 Oct 27
2
Consistant test for NAs in a factor when exclude = NULL?
...quot;NA" [1] FALSE FALSE FALSE FALSE FALSE FALSE FALSE > sum(MM=="NA") [1] 0 > is.na(MM) [1] FALSE FALSE FALSE FALSE FALSE FALSE FALSE > sum(is.na(MM)) [1] 0 -- View this message in context: http://r.789695.n4.nabble.com/Consistant-test-for-NAs-in-a-factor-when-exclude-NULL-tp3942755p3942755.html Sent from the R help mailing list archive at Nabble.com.