| 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 |