lmeVarComp              Testing for a Subset of Variance Components in
                        Linear Mixed Models
mnls                    Minimum Norm Least Squares
rlr.test                Restricted Likelihood Ratio Test and
                        Generalized F-test for Zero Variance Components
test.additivity         Testing Additivity in Nonparametric Regression
test.varcomp            Testing Zero Variance Components in Linear
                        Mixed Models
