L_Tung_single           Single cell samples for DE genes analysis
ROSeq                   Modeling expression ranks for noise-tolerant
                        differential expression analysis of scRNA-Seq
                        data
TMMnormalization        TMM Normalization.
computeDEG              Computes differential expression for the gene
                        in question, by comparing the optimal
                        parameters for sub-populations one and two
findParams              Finds the optimal values of parameters a and b
                        that model the probability distribution of
                        ranks, by Maximising the Log-Likelihood
getDataStatistics       Evaluates statistics of the read counts
                        corresponding to the gene
getI                    Computes the Fisher Information Matrix
getd                    Finds the double derivative of A
getdu1da                Finds the first derivative of u1 with respect
                        to a.  This first derivative is evaluated at
                        the optimal (a_hat, b_hat).
getdu1db                Finds the first derivative of u1 with respect
                        to b.  This first derivative is evaluated at
                        the optimal (a_hat, b_hat).
getdu2da                Finds the first derivative of u2 with respect
                        to a.  This first derivative is evaluated at
                        the optimal (a_hat, b_hat).
getdu2db                Finds the first derivative of u2 with respect
                        to b.  This first derivative is evaluated at
                        the optimal (a_hat, b_hat).
getdvda                 Finds the first derivative of v with respect to
                        a.  This first derivative is evaluated at the
                        optimal (a_hat, b_hat).
getdvdb                 Finds the first derivative of v with respect to
                        b.  This first derivative is evaluated at the
                        optimal (a_hat, b_hat).
getu1                   Computes u1
getu2                   Computes u2
getv                    Computes v
initiateAnalysis        Computes differential analysis for a given gene
minimizeNLL             Minimizes the Negative Log-Likelihood by
                        iterating across values of parameters a and b
