The SAS System 12:02 Wednesday, July 16, 2008 1 Obs influent y type 1 1 21 2 2 1 27 2 3 1 29 2 4 1 17 2 5 1 19 2 6 1 12 2 7 1 29 2 8 1 20 2 9 1 20 2 10 2 21 2 11 2 11 2 12 2 18 2 13 2 9 2 14 2 13 2 15 2 23 2 16 2 2 2 17 3 20 1 18 3 19 1 19 3 20 1 20 3 11 1 21 3 14 1 22 4 14 2 23 4 24 2 24 4 30 2 25 4 21 2 26 4 31 2 27 4 27 2 28 5 7 1 29 5 15 1 30 5 18 1 31 5 4 1 32 5 28 1 33 6 41 3 34 6 42 3 35 6 35 3 36 6 34 3 37 6 30 3 The SAS System 12:02 Wednesday, July 16, 2008 2 The Mixed Procedure Model Information Data Set WORK.INFLUENT Dependent Variable y 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 influent 6 1 2 3 4 5 6 Dimensions Covariance Parameters 2 Columns in X 1 Columns in Z 6 Subjects 1 Max Obs Per Subject 37 Number of Observations Number of Observations Read 37 Number of Observations Used 37 Number of Observations Not Used 0 Iteration History Iteration Evaluations -2 Res Log Like Criterion 0 1 267.82285333 1 2 252.43559329 0.00073516 2 1 252.35677394 0.00005694 3 1 252.35118257 0.00000044 4 1 252.35114117 0.00000000 Convergence criteria met. Covariance Parameter Estimates Standard Z Cov Parm Estimate Error Value Pr Z Alpha Lower Upper influent 63.3211 45.2315 1.40 0.0808 0.05 22.5560 539.98 Residual 42.6583 10.8571 3.93 <.0001 0.05 27.3960 75.4984 The SAS System 12:02 Wednesday, July 16, 2008 3 The Mixed Procedure Fit Statistics -2 Res Log Likelihood 252.4 AIC (smaller is better) 256.4 AICC (smaller is better) 256.7 BIC (smaller is better) 255.9 Solution for Fixed Effects Standard Effect Estimate Error DF t Value Pr > |t| Intercept 21.2231 3.4290 5 6.19 0.0016 Solution for Random Effects Std Err Effect influent Estimate Pred DF t Value Pr > |t| influent 1 0.3093 3.8193 31 0.08 0.9360 influent 2 -6.7193 3.9170 31 -1.72 0.0963 influent 3 -3.8979 4.0805 31 -0.96 0.3468 influent 4 2.9461 3.9870 31 0.74 0.4655 influent 5 -6.0130 4.0805 31 -1.47 0.1507 influent 6 13.3748 4.0805 31 3.28 0.0026 Estimates Standard Label Estimate Error DF t Value Pr > |t| influent 1 21.5324 2.1135 5 10.19 0.0002 influent 2 14.5038 2.3769 5 6.10 0.0017 influent 3 17.3252 2.7721 5 6.25 0.0015 influent 4 24.1692 2.5518 5 9.47 0.0002 influent 5 15.2102 2.7721 5 5.49 0.0027 influent 6 34.5979 2.7721 5 12.48 <.0001 influent 1U 0.3093 3.8193 31 0.08 0.9360 influent 2U -6.7193 3.9170 31 -1.72 0.0963 influent 3U -3.8979 4.0805 31 -0.96 0.3468 influent 4U 2.9461 3.9870 31 0.74 0.4655 influent 5U -6.0130 4.0805 31 -1.47 0.1507 influent 6U 13.3748 4.0805 31 3.28 0.0026