annotate (version 1.50.0)

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.

Examples

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