[R] Skip last NA's?

Robert Lundqvist Robert.Lundqvist at ltu.se
Thu Mar 2 09:29:49 CET 2006

I wonder if anyone could help me find an expression for skipping the last
missing values in a vector? The kind of material I have is something like


I would like to skip the last NA's, but not the ones in between other
vallues. Any hints? (Why not do this by simply take x[1:6]? I have several
vectors a couple of thousand observations long with varying numbers of
NA's in the end. I'd prefer not to search through all of these one at a


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