CDM                     Parameter Estimation for Cognitive Diagnosis
                        Models (CDMs) by MMLE/EM or MMLE/BM Algorithm.
Wald.test               Wald Test for Two Q-vectors
att.hierarchy           Iterative Attribute Hierarchy Exploration
                        Methods for Cognitive Diagnosis Models
extract                 Extract Components from Qval Package Objects
fit                     Calculate Fit Indices
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
is.Qident               Check Whether a Q-Matrix is Identifiable
plot                    Plot Methods for Various Qval Objects
print                   Print Methods for Various Objects
sim.MQ                  Simulate Mis-specifications in Q-matrix
sim.Q                   Generate a Random Q-matrix
sim.data                Generate Response
summary                 Summary Methods for Various Objects
update                  Update Method for Various Objects
validation              Perform Q-matrix Validation Methods
zOSR                    Calculate Over-Specification Rate (OSR)
zQRR                    Calculate Q-matrix Recovery Rate (QRR)
zTNR                    Calculate True-Negative Rate (TNR)
zTPR                    Calculate True-Positive Rate (TPR)
zUSR                    Calculate Under-Specification Rate (USR)
zVRR                    Calculate Vector Recovery Ratio (VRR)
