readExpData {gage}R Documentation

Read in expression data

Description

This is a wrapper function of read.delim for reading in expression data matrix in tab-delimited format.

Usage

readExpData(file = "arrayData.txt", ...)

Arguments

file

character string, the full path name to the expression data file in tab-delimited format. Rows are genes, columns are array samples.

...

other arguments to be passed into read.delim function.

Details

readExpData is a wrapper function of read.delim. Please check help information of read.delim for more details.

Value

A data.frame (matrix-like) of gene expression data. Rows are genes, columns are array samples.

Author(s)

Weijun Luo <luo_weijun@yahoo.com>

References

Luo, W., Friedman, M., Shedden K., Hankenson, K. and Woolf, P GAGE: Generally Applicable Gene Set Enrichment for Pathways Analysis. BMC Bioinformatics 2009, 10:161

See Also

readList read in gene set list

Examples

filename=system.file("extdata/gse16873.demo", package = "gage")
demo.data=readExpData(filename, row.names=1)
head(demo.data)

[Package gage version 2.42.0 Index]