[R] logical 'or' on list of vectors
ccleland at optonline.net
Fri Jun 8 15:28:36 CEST 2007
Tim Bergsma wrote:
> Suppose I have a list of logicals, such as returned by lapply:
> Theoph$Dose <- NA
> Theoph$Time <- NA
> Theoph$conc <- NA
> Is there a direct way to execute logical "or" across all vectors? The
> following gives the desired result, but seems unnecessarily complex.
Is this what you want?
apply(is.na(Theoph), 1, any)
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Chuck Cleland, Ph.D.
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