InstallBrainArrayPackage
                        Helper function for installing BrainArray
                        packages
ParseMetaFromGtfFile    Helper function to parse length and GC content
                        information from a GTF file.
SCAN                    Single-Channel Array Normalization (SCAN) and
                        Universal exPression Codes (UPC) for Affymetrix
                        microarrays
SCAN_TwoColor           Single-Channel Array Normalization (SCAN) for
                        Agilent two-color expression microarrays
UPC_RNASeq              Universal exPression Codes (UPC) for RNA-Seq
                        data
UPC_TwoColor            Universal exPression Codes (UPC) for
                        two-channel microarrays
