getIntensityMatrix      Extract a matrix of microarray intensities from
                        various kinds of objects
kidney                  Intensity data for 1 cDNA slide with two
                        adjacent tissue samples from a nephrectomy
                        (kidney)
lymphoma                Intensity data for 8 cDNA slides with CLL and
                        DLBL samples from the Alizadeh et al. paper in
                        Nature 2000
meanSdPlot              Plot row standard deviations versus row means
nchoosek                List all subsets of size k from n objects
normalize.AffyBatch.vsn
                        Wrapper for vsn to be used as a normalization
                        method in the package affy
sagmbSimulateData       Simulate data and assess vsn's parameter
                        estimation
vsn                     Variance stabilization and calibration for
                        microarray data.
vsnPlotPar              Plot trajectories of calibration and
                        transformation parameters for a vsn fit
vsnh                    A function that transforms a matrix of
                        microarray intensities
