This is an REML analysis. LogLike -1238.2978 LogLike -182.2965 LogLike -182.2965 At iteration 3 *** The unconstrained analysis converged with the following results *** The log likelihood is -182.2965 The mean of each trait is 16.314286 The effect of the fixed factors is (in the order given, levels within factors) 16.31429 The estimates of the components are: Additive 20.418744 Environmental -13.731318 Dominance 9.542595 Maternal 3.307969 Paternal 1.913356 Higher Interactions 4.013318 Large-sample var-cov matrix of the estimates 256.265047 -121.298050 -9.112631 -1.714408 -10.677816 0.809487 90.280165 -38.878985 0.250089 4.731793 4.216227 57.913734 0.809487 0.809487 -6.475894 11.596206 -3.791578 -0.404743 8.934874 -0.404743 3.355922 The test statistic comparing two likelihoods is given by twice their difference and is compared to Chi-square with df given by the number of parameters specified by the hypothesis.