\name{allNA}
\alias{allNA}
\alias{anyNA}
\alias{allNA,ANY-method}
\alias{anyNA,ANY-method}
\title{ The generics "allNA" and "anyNA". }
\description{
  The two generic \code{"allNA"} returns \code{TRUE} if all of its
  arguments are NA's and \code{FALSE} otherwise.

  The two generic \code{"anyNA"} returns \code{TRUE} if any of its
  arguments is NA and \code{FALSE} otherwise.
}
\usage{
allNA(x)
anyNA(x)
}
\arguments{
  \item{x}{ An object on which \code{is.na} can be applied. }
}
\value{
  Either \code{TRUE} or \code{FALSE}.
}
\examples{
allNA(1:3)
allNA(c(NA, NA, NA))
allNA(c(1, 2, NA))
anyNA(1:3)
anyNA(c(NA, NA, NA))
anyNA(c(1, 2, NA))
}
\keyword{methods}