| CDplot | CD-plot and Deviance test | 
| dmixnegbinom | Probability mass function of a mixture of negative binomials | 
| dmixtruncnorm | Probability density function of a mixture of truncated normals | 
| d_hat | Comparison density estimate | 
| find_h_cont | Finding optimal instrumental density. | 
| find_h_disc | Finding optimal instrumental mass function. | 
| rmixnegbinom | Random numbers generator for negative binomial mixtures | 
| rmixtruncnorm | Random numbers generator for truncated normal mixtures |