barChart {geneXtendeR} | R Documentation

## Produces bar charts.

### Description

Makes bar graphs showing the number of genes under peaks at various upstream extension levels.

### Usage

    barChart(organism, start, end, by)

### Arguments

`organism` | Object name assigned from readGFF() command.
`start` | Lower bound of upstream extension.
`end` | Upper bound of upstream extension.
`by` | Interval between consecutive extensions.

### Value

Creates bar charts.

### Examples

    library(rtracklayer)
    rat <- readGFF("ftp://ftp.ensembl.org/pub/release-84/gtf/rattus_norvegicus/Rattus_norvegicus.Rnor_6.0.84.gtf.gz")
    fpath <- system.file("extdata", "somepeaksfile.txt", package="geneXtendeR")
    peaksInput(fpath)
    barChart(rat, 1000, 3000, 100)

[Package geneXtendeR version 1.10.0 Index]