Gibbs_2PNO              Gibbs Implementation of 2PNO
Gibbs_4PNO              Gibbs Implementation of 4PNO
Total_Tabulate          Calculate Tabulated Total Scores
Y_4pno_simulate         Simulate from 4PNO Model
fourPNO-package         fourPNO: Bayesian 4 Parameter Item Response
                        Model
kappa_initialize        Initialize Thresholds
min2LL_4pno             Compute 4PNO Deviance
rmvnorm                 Generate Random Multivariate Normal
                        Distribution
update_2pno             Update 2PNO Model Parameters
update_WKappaZ_NA       Update Lower and Upper Asymptote Parameters of
                        4PNO
update_ab_NA            Update a and b Parameters of 2PNO, 3PNO, 4PNO
update_ab_norestriction
                        Update a and b Parameters of 4pno without alpha
                        > 0 Restriction
update_theta            Internal Function for Updating Theta in Gibbs
                        Sampler
