| Gibbs_2PNO | Gibbs Implementation of 2PNO |
| Gibbs_4PNO | Gibbs Implementation of 4PNO |
| min2LL_4pno | Compute 4PNO Deviance |
| rmvnorm | Generate Random Multivariate Normal Distribution |
| Total_Tabulate | Calculate Tabulated Total Scores |
| Y_4pno_simulate | Simulate from 4PNO Model |