Inverse Gaussian        Inverse Gaussian Distribution
Poisson-beta            Poisson-beta Distribution
chf_1F1                 Kummer's (confluent hypergeometric) function in
                        log-scale
fit_params              Functions to estimate parameters of probability
                        distributions by fitting the distributions
                        using optim()
gmRNA                   Gillespie algorithm for mRNA generating
                        processes
nlogL                   Negative log Likelihood functions for Poisson,
                        negative binomial, Delaporte, Poisson-inverse
                        Gaussian and Poisson-beta distributions
