The following MX script lines were read for group 1 #DEFINE NVAR 4 PHENOTYPIC SIMPLEX MODEL FOR IQ RAKIT DATA !all error variances same DATA NINPUT=8 NOBS=0 NG=1 MISSING=-1 NOTE: Missing value *string* set to '-1' REC FI=IQ4ALL.REC NOTE: Rectangular file contained 209 records with data LABELS T1IQ5 T1IQ7 T1IQ10 T1IQ12 T2IQ5 T2IQ7 T2IQ10 T2IQ12 !select t2iq5 t2iq7 t2iq10 t2iq12 / SELECT T1IQ5 T1IQ7 T1IQ10 T1IQ12 / BEGIN MATRICES; NOTE: Selection yields 209 data vectors for analysis NOTE: Vectors contain a total of 763 observations A DIAG NVAR NVAR FREE !INNOVATIONS B LOWER NVAR NVAR !TRANSMISSIONS I IDEN NVAR NVAR E DIAG 1 1 FREE !MEASUREMENT ERROR, SAME FOR EACH AGE M FULL NVAR 1 FREE END MATRICES; COVARIANCE (I-B)~*(A*A')*(I-B)~'+E@I / MEANS M / SPECIFY B 0 13 0 0 14 0 0 0 15 0 START 1 ALL START 50 E 1 1 START 10 A 1 1 START 100 M 1 1 M 2 1 M 3 1 M 4 1 OPTION RS END Summary of VL file data for group 1 T1IQ5 T1IQ7 T1IQ10 T1IQ12 Code 1.0000 2.0000 3.0000 4.0000 Number 209.0000 192.0000 196.0000 166.0000 Mean 102.7129 102.8750 107.0408 100.0843 Variance 184.6353 222.1406 251.6718 171.8724 Minimum 64.0000 62.0000 69.0000 61.0000 Maximum 142.0000 139.0000 145.0000 138.0000 PARAMETER SPECIFICATIONS GROUP NUMBER: 1 phenotypic simplex model for IQ Rakit data MATRIX A This is a DIAGONAL matrix of order 4 by 4 1 2 3 4 1 1 2 0 2 3 0 0 3 4 0 0 0 4 MATRIX B This is a LOWER TRIANGULAR matrix of order 4 by 4 1 2 3 4 1 0 2 13 0 3 0 14 0 4 0 0 15 0 MATRIX E This is a DIAGONAL matrix of order 1 by 1 1 1 5 MATRIX I This is an IDENTITY matrix of order 4 by 4 MATRIX M This is a FULL matrix of order 4 by 1 1 1 6 2 7 3 8 4 9 MX PARAMETER ESTIMATES GROUP NUMBER: 1 phenotypic simplex model for IQ Rakit data MATRIX A This is a DIAGONAL matrix of order 4 by 4 1 2 3 4 1 1.1579E+01 2 0.0000E+00 4.0595E+00 3 0.0000E+00 0.0000E+00 5.1442E+00 4 0.0000E+00 0.0000E+00 0.0000E+00 -8.0598E-05 MATRIX B This is a LOWER TRIANGULAR matrix of order 4 by 4 1 2 3 4 1 0.0000 2 1.0858 0.0000 3 0.0000 1.0011 0.0000 4 0.0000 0.0000 0.7829 0.0000 MATRIX E This is a DIAGONAL matrix of order 1 by 1 1 1 50.5608 MATRIX I This is an IDENTITY matrix of order 4 by 4 MATRIX M This is a FULL matrix of order 4 by 1 1 1 102.7129 2 102.3611 3 106.5795 4 99.2732 Vector of OBSERVED means T1IQ5 T1IQ7 T1IQ10 T1IQ12 Mean 102.7129 102.8750 107.0408 100.0843 Vector of EXPECTED means T1IQ5 T1IQ7 T1IQ10 T1IQ12 Mean 102.7129 102.3611 106.5795 99.2732 (OBSERVED MATRIX is nonexistent for raw data) EXPECTED COVARIANCE MATRIX T1IQ5 T1IQ7 T1IQ10 T1IQ12 T1IQ5 184.6354 T1IQ7 145.5796 225.1122 T1IQ10 145.7355 174.7383 251.9492 T1IQ12 114.0918 136.7972 157.6608 173.9886 Function value of this group: 5771.8966 Where the fit function is -2 * Log-likelihood of raw data Your model has 12 estimated parameters and 763 Observed statistics -2 times log-likelihood of data >>> 5771.897 Degrees of freedom >>>>>>>>>>>>>>>> 751 This problem used 2.4% of my workspace Task Time elapsed (DD:HH:MM:SS) Reading script & data 0: 0: 0: 0.66 Execution 0: 0: 0: 4.06 TOTAL 0: 0: 0: 4.72 Total number of warnings issued: 0 ______________________________________________________________________________