ResidualFitIndex-class
                        An S4 class to represent a residual fit
                        indices.
ResidualFitIndices-class
                        An S4 class to represent the set of residual
                        fit indices
glvmfit                 glvmfit: Methods to Assess Generalized Latent
                        Variable Model Fit
nlsy                    Subset of 221 children from the 1979 National
                        Longitudinal Survey of Youth
resid_fit               Residual fit indices
