readin {affycomp}R Documentation

Read Expression Date Sets

Description

Reads a comma delimeted file containing the expression values of the dilution and spike-in data sets and creates a exprSet

Usage

read.dilution(filename)
read.spikein(filename,cdfName=c("hgu95a","hgu133a"),remove.xhyb=TRUE)
read.newspikein(filename)

Arguments

filename character containing the filename to be read.
cdfName are we reading data from the hgu95a or hgu133a spike-in experiment?
remove.xhyb logical. If TRUE possible cross hybridizers are removed from the HGU133A spikein. See remove.hgu133a.xhyb.

Details

The file to be read must be come delimeted with the first row containing the cel fileneames (case sensitive). The first column must be the Affymetrix gene identifiers. read.dilution will put things in the right place.

read.newspikein is a wrapper to read results from the hgu133a spikein experiment.

Value

An exprSet.

Author(s)

Rafael A. Irizarry


[Package affycomp version 1.4.3 Index]