SCAN                    Single-Channel Array Normalization (SCAN)
SCAN_TwoColor           Single-Channel Array Normalization (SCAN) for
                        two-channel Agilent microarrays
UPC                     Universal Probability of expression Codes (UPC)
                        for single-channel microarrays
UPC_RNASeq              Universal Probability of expression Codes (UPC)
                        for RNA-Seq data
UPC_TwoColor            Universal Probability of expression Codes (UPC)
                        for two-channel microarrays
