demp                    Empirical probability density function (EPDF)
n_binom                 Calculate sample size for binomial distribution
n_gamma                 Calculate sample size for gamma distribution
n_glm                   Calculate sample size for a group comparison
                        via generalized linear models
n_locshift              Estimate N on the basis of two pilot samples.
n_locshift_bound        Compute an upper bound the sample size based on
                        two pilot samples.
n_negbinom              Calculate sample size for negative binomial
                        distribution
n_poisson               Calculate sample size for poisson distribution
pemp                    Empirical cumulative density function (ECDF)
qemp                    Empirical quantile function
remp                    Draws random values from the ECDF obtained from
                        'sample'
resample_n_locshift     Compute a distribution of estimates of N based
                        on two pilot samples.
