CDM                     Parameter estimation for cognitive diagnosis
                        models (CDMs) by MMLE/EM or MMLE/BM algorithm.
Wald.test               the Wald test for two q-vectors
extract                 Extract elements from objects of various
                        classes
fit                     Calculate fit indeces
get.Mmatrix             Calculate \mathbf{M} matrix
get.PVAF                Calculate PVAF
get.R2                  Calculate McFadden pseudo-R2
get.Rmatrix             Restriction matrix
get.beta                Calculate beta
get.priority            Priority of Attribute
parallel_iter           A tool for the beta Method
plot.validation         Hull Plot
print.CDM               Print Method for CDM Objects
print.sim.data          Print Method for sim.data Objects
print.validation        Print Method for Validation Objects
sim.MQ                  Simulate mis-specifications in the Q-matrix
sim.Q                   generate a random Q-matrix
sim.data                generate response
validation              Perform Q-matrix validation methods
zOSR                    Calculate over-specifcation rate (OSR)
zQRR                    Calculate Q-matrix recovery rate (QRR)
zTNR                    Calculate true-negative rate (TNR)
zTPR                    Calculate true-positive rate (TPR)
zUSR                    Calculate under-specifcation rate (USR)
zVRR                    Calculate vector recovery ratio (VRR)
