usedChromGenes {annotate} | R Documentation

## 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)

[Package annotate version 1.68.0 Index]