The following MX script lines were read for group 1 ESTIMATE POP COV MATRIX OF X&Y, 2 GROUP DATA NG=2 NI=2 NO=254 CM FILE=SELONXNM.COV MEANS FILE=SELONXNM.MEA BEGIN MATRICES; A SY 2 2 FREE ! COVARIANCE OF X,Y M FU 1 2 FREE ! MEAN OF X,Y END MATRICES; MEANS M / COVARIANCE A / MATRIX A 1 .3 1 BOUND .1 2 A 1 1 A 2 2 OPTION RS MU OPTION ISSAT END The following MX script lines were read for group 2 GROUP 2 DATA NI=1 NOBS=246 CM FILE=SELONXM.COV MEANS FILE=SELONXM.MEA BEGIN MATRICES = GROUP 1; F IZERO 1 2 END MATRICES; MEANS F*(M'); COVARIANCE F&A; END PARAMETER SPECIFICATIONS GROUP NUMBER: 1 Estimate pop cov matrix of X&Y, 2 group MATRIX A This is a SYMMETRIC matrix of order 2 by 2 1 2 1 1 2 2 3 MATRIX M This is a FULL matrix of order 1 by 2 1 2 1 4 5 GROUP NUMBER: 2 Group 2 MATRIX A This is a SYMMETRIC matrix of order 2 by 2 1 2 1 1 2 2 3 MATRIX F This is an IDENTITY:NULL matrix of order 1 by 2 MATRIX M This is a FULL matrix of order 1 by 2 1 2 1 4 5 MX PARAMETER ESTIMATES GROUP NUMBER: 1 Estimate pop cov matrix of X&Y, 2 group MATRIX A This is a SYMMETRIC matrix of order 2 by 2 1 2 1 0.6624 2 0.3187 0.7960 MATRIX M This is a FULL matrix of order 1 by 2 1 2 1 0.2051 0.1686 Vector of OBSERVED means 1 2 Mean 0.7850 0.4476 Vector of EXPECTED means 1 2 Mean 0.2051 0.1686 OBSERVED COVARIANCE MATRIX 1 2 1 0.3100 2 0.1492 0.7145 EXPECTED COVARIANCE MATRIX 1 2 1 0.6624 2 0.3187 0.7960 RESIDUAL MATRIX 1 2 1 -0.3524 2 -0.1695 -0.0815 Function value of this group: 161.7749 Where the fit function is Maximum Likelihood GROUP NUMBER: 2 Group 2 MATRIX A This is a SYMMETRIC matrix of order 2 by 2 1 2 1 0.6624 2 0.3187 0.7960 MATRIX F This is an IDENTITY:NULL matrix of order 1 by 2 MATRIX M This is a FULL matrix of order 1 by 2 1 2 1 0.2051 0.1686 Your model has 5 estimated parameters and 7 Observed statistics Chi-squared fit of model >>>>>>> 421.866 Degrees of freedom >>>>>>>>>>>>> 2 Probability >>>>>>>>>>>>>>>>>>>> 0.000 Akaike's Information Criterion > 417.866 RMSEA >>>>>>>>>>>>>>>>>>>>>>>>>> 1.012 This problem used 0.1% of my workspace Task Time elapsed (DD:HH:MM:SS) Reading script & data 0: 0: 0: 0.05 Execution 0: 0: 0: 0.39 TOTAL 0: 0: 0: 0.44 Total number of warnings issued: 0 ______________________________________________________________________________