HolzingerSwineford      Holzinger and Swineford (1939) cognitive tests
                        data in 301 children from two schools
LeeAlOtaiba             Lee and Al Otaiba (2015) early literacy skills
                        in four socioeconomic groups
eqMI.RMSEA              Obtain the RMSEA cutoff values for equivalence
                        testing
eqMI.bootstrap          Bootstrap procedure to test the equality of
                        latent factor means using projection method
eqMI.covtest            Test the equality of two covariance matrices in
                        population
eqMI.main               The main function to test measurement
                        invariance
eqMI.ncp                Obtain noncentrality parameter of a chisquare
                        distribution
eqMI.projection         Projection-based method for testing latent
                        means equality
eqMI.semtest            Measurement invariance tests using lavaan
