Poisson data with genmod analysis 10:37 Sunday, July 27, 2008 1 The GENMOD Procedure Model Information Data Set WORK.MIX Distribution Poisson Link Function Log Dependent Variable y Number of Observations Read 112 Number of Observations Used 112 Criteria For Assessing Goodness Of Fit Criterion DF Value Value/DF Deviance 107 1078.3338 10.0779 Scaled Deviance 107 1078.3338 10.0779 Pearson Chi-Square 107 1065.2040 9.9552 Scaled Pearson X2 107 1065.2040 9.9552 Log Likelihood 7236.0004 Algorithm converged. Analysis Of Parameter Estimates Standard Wald 95% Chi- Parameter DF Estimate Error Confidence Limits Square Pr > ChiSq Intercept 1 2.3461 0.1213 2.1083 2.5839 373.95 <.0001 trt 1 0.3191 0.0221 0.2757 0.3625 207.75 <.0001 mix 1 0.1497 0.0422 0.0671 0.2324 12.61 0.0004 trt*mix 1 -0.0648 0.0084 -0.0813 -0.0482 59.00 <.0001 blk 1 -0.0490 0.0162 -0.0808 -0.0172 9.10 0.0026 Scale 0 1.0000 0.0000 1.0000 1.0000 NOTE: The scale parameter was held fixed. Poisson data with PROC MIXED after square-root transformation 2 10:37 Sunday, July 27, 2008 The Mixed Procedure Model Information Data Set WORK.NEW Dependent Variable sqrty Covariance Structure Variance Components Estimation Method REML Residual Variance Method Profile Fixed Effects SE Method Model-Based Degrees of Freedom Method Satterthwaite Class Level Information Class Levels Values trt 7 1 2 3 4 5 6 7 blk 4 1 2 3 4 mix 4 1 2 3 4 Dimensions Covariance Parameters 3 Columns in X 40 Columns in Z 32 Subjects 1 Max Obs Per Subject 112 Number of Observations Number of Observations Read 112 Number of Observations Used 112 Number of Observations Not Used 0 Iteration History Iteration Evaluations -2 Res Log Like Criterion 0 1 368.53300718 1 3 367.69662394 0.00001587 2 1 367.69490351 0.00000001 3 1 367.69490242 0.00000000 Convergence criteria met. Poisson data with PROC MIXED after square-root transformation 3 10:37 Sunday, July 27, 2008 The Mixed Procedure Covariance Parameter Estimates Cov Parm Estimate blk 0 trt*blk 0.2540 Residual 2.7123 Fit Statistics -2 Res Log Likelihood 367.7 AIC (smaller is better) 371.7 AICC (smaller is better) 371.8 BIC (smaller is better) 370.5 Type 3 Tests of Fixed Effects Num Den Effect DF DF F Value Pr > F trt 6 21 4.23 0.0060 mix 3 63 1.62 0.1947 trt*mix 18 63 0.98 0.4902