PP-package              Estimation of Person Parameters for the 3-PL
                        model and the GPCM under a ML and WL approach.
PP_3PLmle               Estimation of ML person parameters for the 3-PL
                        model
PP_3PLwle               Estimation of WL Person Parameters for the 3-PL
                        model
PP_GPCMmle              Estimation of ML Person Parameters for the GPCM
PP_GPCMwle              Estimation of WL Person Parameters for the GPCM
PP_RMmle                Estimation of ML Person Parameters for the
                        Rasch Model
PP_RMwle                Estimation of WL Person Parameters for the
                        Rasch Model
summary.PPd             Summarizes objects of class PPd
summary.PPp             Summarizes objects of class PPp
summary.PPr             Summarizes objects of class PPr
