The SAS System 13:48 Monday, January 30, 2006 1 The MI Procedure Model Information Data Set WORK.EXAM05_TIME1 Method MCMC Multiple Imputation Chain Single Chain Initial Estimates for MCMC EM Posterior Mode Start Starting Value Prior Jeffreys Number of Imputations 0 Number of Burn-in Iterations 200 Number of Iterations 100 Seed for random number generator 24634 Missing Data Patterns ---------Group Means-------- Group MH1 MH2 Freq Percent MH1 MH2 1 X X 941 97.41 9.398450 11.108891 2 . X 25 2.59 . 11.386667 Univariate Statistics --Missing Values-- Variable N Mean Std Dev Minimum Maximum Count Percent MH1 941 9.39845 2.65067 2.71575 18.44907 25 2.59 MH2 966 11.11608 2.53208 4.00000 18.66667 0 0.00 Pairwise Correlations MH1 MH2 MH1 1.000000000 0.448341605 MH2 0.448341605 1.000000000 Initial Parameter Estimates for EM _TYPE_ _NAME_ MH1 MH2 MEAN 9.398450 11.116080 COV MH1 7.026066 0 COV MH2 0 6.411410 The SAS System 13:48 Monday, January 30, 2006 2 The MI Procedure EM (MLE) Iteration History _Iteration_ -2 Log L MH1 0 5534.503368 9.398450 1 5323.561679 9.398450 2 5323.335400 9.401653 3 5323.335244 9.401817 4 5323.335244 9.401823 EM (MLE) Parameter Estimates _TYPE_ _NAME_ MH1 MH2 MEAN 9.401823 11.116080 COV MH1 7.017746 3.005070 COV MH2 3.005070 6.404772 EM (Posterior Mode) Estimates _TYPE_ _NAME_ MH1 MH2 MEAN 9.401823 11.116080 COV MH1 6.995572 2.995768 COV MH2 2.995768 6.384943