The SAS System 08:38 Tuesday, July 15, 2008 1 The Mixed Procedure Model Information Data Set WORK.BOND Dependent Variable pres Covariance Structure Variance Components Estimation Method REML Residual Variance Method Profile Fixed Effects SE Method Model-Based Degrees of Freedom Method Containment Class Level Information Class Levels Values ingot 7 1 2 3 4 5 6 7 metal 3 c i n Dimensions Covariance Parameters 2 Columns in X 4 Columns in Z 7 Subjects 1 Max Obs Per Subject 21 Number of Observations Number of Observations Read 21 Number of Observations Used 21 Number of Observations Not Used 0 Iteration History Iteration Evaluations -2 Res Log Like Criterion 0 1 112.40987952 1 1 107.79020201 0.00000000 Convergence criteria met. Covariance Parameter Estimates Cov Parm Estimate ingot 11.4478 Residual 10.3716 The SAS System 08:38 Tuesday, July 15, 2008 2 The Mixed Procedure Fit Statistics -2 Res Log Likelihood 107.8 AIC (smaller is better) 111.8 AICC (smaller is better) 112.6 BIC (smaller is better) 111.7 Solution for Fixed Effects Standard Effect metal Estimate Error DF t Value Pr > |t| Intercept 71.1000 1.7655 6 40.27 <.0001 metal c -0.9143 1.7214 12 -0.53 0.6050 metal i 4.8000 1.7214 12 2.79 0.0164 metal n 0 . . . . Type 3 Tests of Fixed Effects Num Den Effect DF DF F Value Pr > F metal 2 12 6.36 0.0131 Estimates Standard Label Estimate Error DF t Value Pr > |t| nickel mean 71.1000 1.7655 12 40.27 <.0001 copper vs iron -5.7143 1.7214 12 -3.32 0.0061 overall mean Non-est . . . . iron mean 75.9000 1.7655 12 42.99 <.0001 copper mean 70.1857 1.7655 12 39.75 <.0001 nickel mean 71.1000 1.7655 12 40.27 <.0001 Contrasts Num Den Label DF DF F Value Pr > F copper vs iron 1 12 11.02 0.0061 Least Squares Means Standard Effect metal Estimate Error DF t Value Pr > |t| Alpha metal c 70.1857 1.7655 12 39.75 <.0001 0.05 metal i 75.9000 1.7655 12 42.99 <.0001 0.05 metal n 71.1000 1.7655 12 40.27 <.0001 0.05 The SAS System 08:38 Tuesday, July 15, 2008 3 The Mixed Procedure Least Squares Means Effect metal Lower Upper metal c 66.3390 74.0324 metal i 72.0533 79.7467 metal n 67.2533 74.9467 Differences of Least Squares Means Standard Effect metal _metal Estimate Error DF t Value Pr > |t| Alpha metal c i -5.7143 1.7214 12 -3.32 0.0061 0.05 metal c n -0.9143 1.7214 12 -0.53 0.6050 0.05 metal i n 4.8000 1.7214 12 2.79 0.0164 0.05 Differences of Least Squares Means Effect metal _metal Lower Upper metal c i -9.4650 -1.9636 metal c n -4.6650 2.8364 metal i n 1.0493 8.5507