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\name{hgu95Achroloc}
\alias{hgu95Achroloc}
\non_function{}
\title{Annotation data for the Affymetrix HGU95A GeneChip}
\usage{data(hgu95Achroloc)}
\format{
These data sets provide environments with mappings from the Affymetrix
identifiers to chromosomal location, in bases.
The environments function like hashtables and can be accessed using
\code{mget}.
If the returned value is \code{NA} then the current
mapping was unable to identify this. Mappings and data sources are
constantly evolving so updating often is recommended.
}
\description{Data, in the form of environments for the Affymetrix U95A
chip.}
\source{The \code{AnnBuilder} package.}
\examples{
data(hgu95Achroloc)
data(sample.ExpressionSet)
mget(featureNames(sample.ExpressionSet)[330:340], env=hgu95Achroloc,
ifnotfound=NA)
}
\keyword{datasets}
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