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=SELRANDNM.COV MEANS FILE=SELRANDNM.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=SELRANDM.COV MEANS FILE=SELRANDM.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 1.0562 2 0.5025 0.8810 MATRIX M This is a FULL matrix of order 1 by 2 1 2 1 -0.0126 -0.1005 Vector of OBSERVED means 1 2 Mean 0.0054 -0.0919 Vector of EXPECTED means 1 2 Mean -0.0126 -0.1005 OBSERVED COVARIANCE MATRIX 1 2 1 1.0859 2 0.5166 0.8877 EXPECTED COVARIANCE MATRIX 1 2 1 1.0562 2 0.5025 0.8810 RESIDUAL MATRIX 1 2 1 0.0297 2 0.0141 0.0067 Function value of this group: 0.1760 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 1.0562 2 0.5025 0.8810 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 -0.0126 -0.1005 Your model has 5 estimated parameters and 7 Observed statistics Chi-squared fit of model >>>>>>> 0.366 Degrees of freedom >>>>>>>>>>>>> 2 Probability >>>>>>>>>>>>>>>>>>>> 0.833 Akaike's Information Criterion > -3.634 RMSEA >>>>>>>>>>>>>>>>>>>>>>>>>> 0.000 This problem used 0.1% of my workspace Task Time elapsed (DD:HH:MM:SS) Reading script & data 0: 0: 0: 0.11 Execution 0: 0: 0: 0.28 TOTAL 0: 0: 0: 0.39 Total number of warnings issued: 0 ______________________________________________________________________________