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\name{dropECode}
\alias{dropECode}
\title{Drop GO labels for specified Evidence Codes}
\description{
Genes are mapped to GO terms on the basis of evidence codes. In some
analyses it will be appropriate to drop certain sets of annotations
based on specific evidence codes.
}
\usage{
dropECode(inlist, code="IEA")
}
\arguments{
\item{inlist}{A list of GO data }
\item{code}{The set of codes that should be dropped. }
}
\details{
A simple use of \code{\link{lapply}} and \code{\link{sapply}} to find
and eliminate those terms that have the specified evidence codes.
This might be used when one is using to GO to validate a sequence
matching experiment (for example), then all terms whose mapping was
based on sequence similarity (say ISS and IEA) should be removed.
}
\value{
A list of the same length as the input list retaining only those
annotations whose evidence codes were not the ones in the exclusion
set \code{code}.
}
\author{R. Gentleman}
\seealso{\code{\link{getEvidence}}, \code{\link{getOntology}}}
\examples{
library("hgu95av2.db")
bb <- hgu95av2GO[["39613_at"]]
getEvidence(bb[1:3])
cc <- dropECode(bb[1:3])
if (length(cc))
getEvidence(cc)
}
\keyword{manip}
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