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\name{hasGOannote}
\alias{hasGOannote}
\title{Check for GO annotation}
\description{
Given a GO term, or a vector of GO terms and an ontology this function
determines which of the terms have GO annotation in the specified
ontology.
}
\usage{
hasGOannote(x, which="MF")
}
\arguments{
\item{x}{A character vector, an instance of the \code{GOTerms} class
or a list of \code{GOTerms}.}
\item{which}{One of "MF", "BP" or "CC"}
}
\details{
The available GO annotation is searched and a determination of
whether a specific GO identifier has a value in the specified
ontology is made.
}
\value{
A logical vector of the same length as \code{x}.
}
\author{R. Gentleman}
\seealso{\code{\link{get}}}
\examples{
library("GO.db")
t1 <- "GO:0003680"
hasGOannote(t1)
hasGOannote(t1, "BP")
}
\keyword{manip}
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