The SAS System 13:28 Thursday, August 17, 2000 361 The Mixed Procedure Model Information Data Set WORK.REPLONG Dependent Variable sr Covariance Structure Heterogeneous Autoregressive Subject Effect id Estimation Method REML Residual Variance Method None Fixed Effects SE Method Model-Based Degrees of Freedom Method Between-Within Class Level Information Class Levels Values id 42 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 cond 3 1 2 3 time 5 1 2 3 4 5 Dimensions Covariance Parameters 6 Columns in X 24 Columns in Z 0 Subjects 42 Max Obs Per Subject 5 Observations Used 210 Observations Not Used 0 Total Observations 210 The SAS System 13:28 Thursday, August 17, 2000 362 The Mixed Procedure Iteration History Iteration Evaluations -2 Res Log Like Criterion 0 1 1080.32402894 1 2 875.33703655 0.02963983 2 1 866.17804077 0.00491722 3 1 864.75738574 0.00039967 4 1 864.64854384 0.00000650 5 1 864.64687876 0.00000000 Convergence criteria met. Covariance Parameter Estimates Cov Parm Subject Estimate Var(1) id 10.3746 Var(2) id 12.0175 Var(3) id 15.3881 Var(4) id 10.9039 Var(5) id 10.8273 ARH(1) id 0.8593 Fit Statistics Res Log Likelihood -432.3 Akaike's Information Criterion -438.3 Schwarz's Bayesian Criterion -443.5 -2 Res Log Likelihood 864.6 The SAS System 13:28 Thursday, August 17, 2000 363 The Mixed Procedure Null Model Likelihood Ratio Test DF Chi-Square Pr > ChiSq 5 215.68 <.0001 Type 3 Tests of Fixed Effects Num Den Effect DF DF F Value Pr > F cond 2 39 6.05 0.0052 time 4 156 4.10 0.0034 cond*time 8 156 2.50 0.0141