PCC                     Graphic Functions to Illustrate Response Curves
                        and Parameter Estimation
checkAdequation         Function to Check the Adequation of the Second
                        Derivatives
ctt2irt                 Functions to Convert from and to CTT and IRT
                        Models
fprime                  First and Second Derivatives
gr4pl                   Simulation of Response Patterns and Computation
                        of the Probability of the Patterns
grm4pl                  Simulation of Response Patterns and Computation
                        of the Probability of the Patterns from m4pl
irtProb-package         Utilities and Probability Distributions Related
                        to Multidimensional Person Item Response Models
                        (IRT)
is.modelShow            Functions To Manipulate modelShow Class Objects
likelihoodCurve         Functions to Graph m4pl Likelihood Curves
m4plEstimate            Estimation of the Personal Parameters from the
                        mpl4 Logistic Model
m4plModelShow           Results For Each Subject To Each Model
m4plSummary             Summary of the Results of Estimation with the
                        m4pl Models
modelChoose             Functions For Choosing The m4pl Best Model(s)
p4pl                    One, Two, Three and Four Parameters Logistic
                        Distributions
pm4pl                   Multidimensional One, Two, Three and Four
                        Person Parameters Logistic Distributions
rmultinomial            Utility Functions
