decp                    Density function
ecp_kmoment             The k-th raw moment of extended Chen-Poisson
                        distribution
ecp_kmoment_cond        The conditional k-th moment of extended
                        Chen-Poisson distribution
ecp_mrl                 Mean residual life function
ecp_plot                Plot function
ecp_shape               Bowley skewness and Moors kurtosis
hecp                    Hazard function
pecp                    Distribution function
qecp                    Quantile function
recp                    Function to generate a pseudo-random sample
secp                    Survival function
