annotate: usedChromGenes – R documentation

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usedChromGenes

A function to select used genes on a chromosome from an ExpressionSet.

Description

Given an instance of an ExpressionSet, a chromLocation object and the name of a chromosome this function returns all genes represented in the ExpressionSet on the specified chromosome.

Usage

usedChromGenes(eSet, chrom, specChrom)

Arguments

`eSet`	An instance of an `ExpressionSet` object.
`chrom`	The name of the chromosome of interest.
`specChrom`	An instance of a `chromLocation` object.

Value

Returns a vector of gene names that represent the genes from the ExpressionSet that are on the specified chromosome.

Author(s)

Jeff Gentry

Examples

data(sample.ExpressionSet)
    data(hgu95AProbLocs)
    usedChromGenes(sample.ExpressionSet, "1", hgu95AProbLocs)

annotate

Annotation for microarrays

v1.68.0

Artistic-2.0

Authors

R. Gentleman

Initial release