The following MX script lines were read for group 1 ESTIMATE POP COV MATRIX OF X&Y, WITH Y OBSERVED IFF X>0 DATA NG=1 NI=2 VL FILE=SELONX.VL NOTE: End of vl data after reading case number 501 NOTE: Longest vector contains 2 observations 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 Summary of VL file data for group 1 Code 1.0000 2.0000 Number 501.0000 243.0000 Mean 0.0048 0.4593 Variance 1.0084 0.9762 PARAMETER SPECIFICATIONS GROUP NUMBER: 1 Estimate pop cov matrix of X&Y, with Y observed iff X>0 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 MX PARAMETER ESTIMATES GROUP NUMBER: 1 Estimate pop cov matrix of X&Y, with Y observed iff X>0 MATRIX A This is a SYMMETRIC matrix of order 2 by 2 1 2 1 1.0084 2 0.4481 1.1025 MATRIX M This is a FULL matrix of order 1 by 2 1 2 1 0.0048 0.0998 Vector of OBSERVED means 1 2 Mean 0.0048 0.4593 Vector of EXPECTED means 1 2 Mean 0.0048 0.0998 (OBSERVED MATRIX is nonexistent for raw data) EXPECTED COVARIANCE MATRIX 1 2 1 1.0084 2 0.4481 1.1025 Function value of this group: 2090.8922 Where the fit function is -2 * Log-likelihood of raw data Your model has 5 estimated parameters and 744 Observed statistics -2 times log-likelihood of data >>> 2090.892 Degrees of freedom >>>>>>>>>>>>>>>> 739 This problem used 0.7% of my workspace Task Time elapsed (DD:HH:MM:SS) Reading script & data 0: 0: 0: 1.49 Execution 0: 0: 0: 3.51 TOTAL 0: 0: 0: 5.00 Total number of warnings issued: 0 ______________________________________________________________________________ Multiple fit option in effect. The following MX script lines have been read: FIX ALL MATRIX 1 A 1 .5 1 MATRIX 1 M 0 0 END Summary of VL file data for group 1 Code 1.0000 2.0000 Number 501.0000 243.0000 Mean 0.0048 0.4593 Variance 1.0084 0.9762 PARAMETER SPECIFICATIONS No free parameters specified MX PARAMETER ESTIMATES GROUP NUMBER: 1 Estimate pop cov matrix of X&Y, with Y observed iff X>0 MATRIX A This is a SYMMETRIC matrix of order 2 by 2 1 2 1 1.0000 2 0.5000 1.0000 MATRIX M This is a FULL matrix of order 1 by 2 1 2 1 0.0000 0.0000 Vector of OBSERVED means 1 2 Mean 0.0048 0.4593 Vector of EXPECTED means 1 2 Mean 0.0000 0.0000 (OBSERVED MATRIX is nonexistent for raw data) EXPECTED COVARIANCE MATRIX 1 2 1 1.0000 2 0.5000 1.0000 Function value of this group: 2096.6604 Where the fit function is -2 * Log-likelihood of raw data Your model has 0 estimated parameters and 744 Observed statistics -2 times log-likelihood of data >>> 2096.660 Degrees of freedom >>>>>>>>>>>>>>>> 744 Saturated model fit* >>>>>>>>>>> 2090.892 Saturated model df* >>>>>>>>>>> 739 Difference Chi-squared >>>>>>>> 5.768 Difference d.f. >>>>>>>>>>>>>>> 5 Probability >>>>>>>>>>>>>>>>>>>> 0.329 Akaike's Information Criterion > -4.232 * Saturated model statistic computed earlier in this job This problem used 0.7% of my workspace Task Time elapsed (DD:HH:MM:SS) Reading script & data 0: 0: 0: 0.00 Execution 0: 0: 0: 0.11 TOTAL 0: 0: 0: 0.11 Total number of warnings issued: 0 ______________________________________________________________________________