ChiSquaredLRTest        Conduct Chi-Squared Likelihood Ratio Test for
                        Mean and Covariance Structure Models
NormalTheoryLRTest      Conduct Normal Theory Likelihood Ratio Test for
                        Mean and Covariance Structure Models
ReadSymMatrixFromTriangle
                        Read in a symmetric matrix from a data file
                        containing the triangle of the matrix and the
                        main diagonal
SEMModComp-package      Conduct tests of difference in fit for mean and
                        covariance structure models as in structural
                        equation modeling (SEM)
cigandalc.dat           Raw data on cigarette and alcohol use
model.A.cov.matrix      Model A's model-implied covariance matrix
model.A.df              Model A's degrees of freedom
model.A.mean.vector     Model A's model-implied mean vector
model.B.cov.matrix      Model B's model-implied covariance matrix
model.B.df              Model B's degrees of freedom
model.B.mean.vector     Model B's model-implied mean vector
model.C.cov.matrix      Model C's model-implied covariance matrix
model.C.df              Model C's degrees of freedom
model.C.mean.vector     Model C's model-implied mean vector
