! Univariate example testing sex heterogeneity ! Dutch 3 year old Males - Externalizing problems from CBCL ! ! General Sex limitation model ! - different magnitude of effects of A and E in males and females ! - different set of genetic factors for males and females ! (correlation between additive genetic factors is estimated) ! ! Group 1 calculates variance components for males ! Group 2 calculates variance components for females ! Group 3 fits model to MZ male data ! Group 4 fits model to DZ male data ! Group 5 fits model to MZ female data ! Group 6 fits model to DZ female data ! Group 7 fits model to DZ male-female data The following MX script lines were read for group 1 #DEFINE NVAR 1 #NGROUPS 7 Note: #NGroup set number of groups to 7 TITLE GROUP 1: MALE PARAMETERS OF MODEL CALCULATION MATRICES X FULL NVAR NVAR FREE ! A: ADDITIVE GENETIC PARAMETER Y FULL NVAR NVAR FREE ! C: SHARED ENVIRONMENTAL PARAMETER Z FULL NVAR NVAR FREE ! E: UNIQUE ENVIRONMENTAL PARAMETER W FULL NVAR NVAR ! D: DOMINANCE PARAMETER H FULL 1 1 ! SCALAR, .5 Q FULL 1 1 ! SCALAR, .25 END MATRICES; MATRIX H .5 MATRIX Q .25 BEGIN ALGEBRA; A=X*X'; ! A^2: ADDITIVE GENETIC VARIANCE C=Y*Y'; ! C^2: SHARED ENVIRONMENTAL VARIANCE E=Z*Z'; ! E^2: UNIQUE ENVIRONMENTAL VARIANCE D=W*W'; ! D^2: DOMINANCE VARIANCE V=A+C+E+D; ! TOTAL VARIANCE P=A|C|E|D; ! PUT PARAMETER ESTIMATES IN ONE MATRIX S=P@V~; ! STANDARDIZED PARAMETER ESTIMATES END ALGEBRA; LABELS ROW X MPAREST_A LABELS ROW Y MPAREST_C LABELS ROW Z MPAREST_E LABELS ROW W MPAREST_D LABELS ROW A A^2_F LABELS ROW C C^2_F LABELS ROW E E^2_F LABELS ROW D D^2_F LABELS ROW V VARIANCE LABELS ROW P ESTIMATE LABELS COL P A C E D LABELS ROW S STANDEST LABELS COL S A^2 C^2 E^2 D^2 END The following MX script lines were read for group 2 TITLE GROUP 2: FEMALE PARAMETERS OF MODEL CALCULATION MATRICES X FULL NVAR NVAR ! A: ADDITIVE GENETIC PARAMETER Y FULL NVAR NVAR ! C: SHARED ENVIRONMENTAL PARAMETER Z FULL NVAR NVAR ! E: UNIQUE ENVIRONMENTAL PARAMETER W FULL NVAR NVAR ! D: DOMINANCE PARAMETER H FULL 1 1 ! SCALAR, .5 Q FULL 1 1 ! SCALAR, .25 END MATRICES; MATRIX H .5 MATRIX Q .25 START .1 ALL BEGIN ALGEBRA; A=X*X'; ! A^2: ADDITIVE GENETIC VARIANCE C=Y*Y'; ! C^2: SHARED ENVIRONMENTAL VARIANCE E=Z*Z'; ! E^2: UNIQUE ENVIRONMENTAL VARIANCE D=W*W'; ! D^2: DOMINANCE VARIANCE V=A+C+E+D; ! TOTAL VARIANCE P=A|C|E|D; ! PUT PARAMETER ESTIMATES IN ONE MATRIX S=P@V~; ! STANDARDIZED PARAMETER ESTIMATES END ALGEBRA; LABELS ROW X FPAREST_A LABELS ROW Y FPAREST_C LABELS ROW Z FPAREST_E LABELS ROW W FPAREST_D LABELS ROW A A^2_M LABELS ROW C C^2_M LABELS ROW E E^2_M LABELS ROW D D^2_M LABELS ROW V VARIANCE LABELS ROW P ESTIMATE LABELS COL P A C E D LABELS ROW S STANDEST LABELS COL S A^2 C^2 E^2 D^2 END The following MX script lines were read for group 3 TITLE G3: MALE MZ TWIN PAIRS Note: Opening #include file 1 extmzm.dat DATA NINPUTVARS=2 NOBSERVATIONS=1029 LABELS EXT3T1 EXT3T2 CMATRIX FILE=EXTMZM.COV Note: Closing #include file 1 MATRICES = GROUP 1 COVARIANCES A+C+E+D | A+C+D _ A+C+D | A+C+E+D ;. OPTION RSIDUALS END The following MX script lines were read for group 4 TITLE G4: MALE DZ TWIN PAIRS Note: Opening #include file 1 extdzm.dat DATA NINPUT=2 NOBSERVATION=1024 LABELS EXT3T1 EXT3T2 CMATRIX FILE=EXTDZM.COV Note: Closing #include file 1 MATRICES= GROUP 1 COVARIANCES A+C+E+D | H@A+C+Q@D _ H@A+C+Q@D | A+C+E+D ; OPTION RSIDUALS OPTION NDECIMALS=4 END The following MX script lines were read for group 5 TITLE G5: FEMALE MZ TWIN PAIRS Note: Opening #include file 1 extmzf.dat DATA NINPUTVARS=2 NOBSERVATIONS=1162 LABELS EXT3T1 EXT3T2 CMATRIX FILE=EXTMZF.COV Note: Closing #include file 1 MATRICES = GROUP 1 COVARIANCES A+C+E+D | A+C+D _ A+C+D | A+C+E+D ; OPTION RSIDUALS END The following MX script lines were read for group 6 TITLE G6: FEMALE DZ TWIN PAIRS Note: Opening #include file 1 extdzf.dat DATA NINPUTVARS=2 NOBSERVATIONS=968 LABELS EXT3T1 EXT3T2 CMATRIX FILE=EXTDZF.COV Note: Closing #include file 1 MATRICES= GROUP 1 COVARIANCES A+C+E+D | H@A+C+Q@D _ H@A+C+Q@D | A+C+E+D ; OPTION RSIDUALS OPTION NDECIMALS=4 END The following MX script lines were read for group 7 TITLE G7: MALE-FEMALE DZ TWIN PAIRS Note: Opening #include file 1 extdos.dat DATA NINPUTVARS=2 NOBSERVATIONS=1963 LABELS EXT3T1 EXT3T2 CMATRIX FILE=EXTDOS.COV ! male-female Note: Closing #include file 1 MATRICES= GROUP 1 H FULL 1 1 FREE *** WARNING! *** Matrix was previously defined for this group. Mx will redefine END MATRICES; BOUND 0 .5 H 1 1 COVARIANCES A+C+E+D | H@A+C+Q@D _ H@A+C+Q@D | A+C+E+D ; OPTION RSIDUALS OPTION NDECIMALS=4 END PARAMETER SPECIFICATIONS GROUP NUMBER: 1 Title Group 1: male parameters of model MATRIX A This is a computed FULL matrix of order 1 by 1 It has no free parameters specified MATRIX C This is a computed FULL matrix of order 1 by 1 It has no free parameters specified MATRIX D This is a computed FULL matrix of order 1 by 1 It has no free parameters specified MATRIX E This is a computed FULL matrix of order 1 by 1 It has no free parameters specified MATRIX H This is a FULL matrix of order 1 by 1 It has no free parameters specified MATRIX P This is a computed FULL matrix of order 1 by 4 It has no free parameters specified MATRIX Q This is a FULL matrix of order 1 by 1 It has no free parameters specified MATRIX S This is a computed FULL matrix of order 1 by 4 It has no free parameters specified MATRIX V This is a computed FULL matrix of order 1 by 1 It has no free parameters specified MATRIX W This is a FULL matrix of order 1 by 1 It has no free parameters specified MATRIX X This is a FULL matrix of order 1 by 1 1 MPAREST_A 1 MATRIX Y This is a FULL matrix of order 1 by 1 1 MPAREST_C 2 MATRIX Z This is a FULL matrix of order 1 by 1 1 MPAREST_E 3 GROUP NUMBER: 2 Title Group 2: female parameters of model MATRIX A This is a computed FULL matrix of order 1 by 1 It has no free parameters specified MATRIX C This is a computed FULL matrix of order 1 by 1 It has no free parameters specified MATRIX D This is a computed FULL matrix of order 1 by 1 It has no free parameters specified MATRIX E This is a computed FULL matrix of order 1 by 1 It has no free parameters specified MATRIX H This is a FULL matrix of order 1 by 1 It has no free parameters specified MATRIX P This is a computed FULL matrix of order 1 by 4 It has no free parameters specified MATRIX Q This is a FULL matrix of order 1 by 1 It has no free parameters specified MATRIX S This is a computed FULL matrix of order 1 by 4 It has no free parameters specified MATRIX V This is a computed FULL matrix of order 1 by 1 It has no free parameters specified MATRIX W This is a FULL matrix of order 1 by 1 It has no free parameters specified MATRIX X This is a FULL matrix of order 1 by 1 It has no free parameters specified MATRIX Y This is a FULL matrix of order 1 by 1 It has no free parameters specified MATRIX Z This is a FULL matrix of order 1 by 1 It has no free parameters specified GROUP NUMBER: 3 Title G3: male MZ twin pairs MATRIX A This is a computed FULL matrix of order 1 by 1 It has no free parameters specified MATRIX C This is a computed FULL matrix of order 1 by 1 It has no free parameters specified MATRIX D This is a computed FULL matrix of order 1 by 1 It has no free parameters specified MATRIX E This is a computed FULL matrix of order 1 by 1 It has no free parameters specified MATRIX H This is a FULL matrix of order 1 by 1 It has no free parameters specified MATRIX P This is a computed FULL matrix of order 1 by 4 It has no free parameters specified MATRIX Q This is a FULL matrix of order 1 by 1 It has no free parameters specified MATRIX S This is a computed FULL matrix of order 1 by 4 It has no free parameters specified MATRIX V This is a computed FULL matrix of order 1 by 1 It has no free parameters specified MATRIX W This is a FULL matrix of order 1 by 1 It has no free parameters specified MATRIX X This is a FULL matrix of order 1 by 1 1 MPAREST_A 1 MATRIX Y This is a FULL matrix of order 1 by 1 1 MPAREST_C 2 MATRIX Z This is a FULL matrix of order 1 by 1 1 MPAREST_E 3 GROUP NUMBER: 4 Title G4: male DZ twin pairs MATRIX A This is a computed FULL matrix of order 1 by 1 It has no free parameters specified MATRIX C This is a computed FULL matrix of order 1 by 1 It has no free parameters specified MATRIX D This is a computed FULL matrix of order 1 by 1 It has no free parameters specified MATRIX E This is a computed FULL matrix of order 1 by 1 It has no free parameters specified MATRIX H This is a FULL matrix of order 1 by 1 It has no free parameters specified MATRIX P This is a computed FULL matrix of order 1 by 4 It has no free parameters specified MATRIX Q This is a FULL matrix of order 1 by 1 It has no free parameters specified MATRIX S This is a computed FULL matrix of order 1 by 4 It has no free parameters specified MATRIX V This is a computed FULL matrix of order 1 by 1 It has no free parameters specified MATRIX W This is a FULL matrix of order 1 by 1 It has no free parameters specified MATRIX X This is a FULL matrix of order 1 by 1 1 MPAREST_A 1 MATRIX Y This is a FULL matrix of order 1 by 1 1 MPAREST_C 2 MATRIX Z This is a FULL matrix of order 1 by 1 1 MPAREST_E 3 GROUP NUMBER: 5 Title G5: female MZ twin pairs MATRIX A This is a computed FULL matrix of order 1 by 1 It has no free parameters specified MATRIX C This is a computed FULL matrix of order 1 by 1 It has no free parameters specified MATRIX D This is a computed FULL matrix of order 1 by 1 It has no free parameters specified MATRIX E This is a computed FULL matrix of order 1 by 1 It has no free parameters specified MATRIX H This is a FULL matrix of order 1 by 1 It has no free parameters specified MATRIX P This is a computed FULL matrix of order 1 by 4 It has no free parameters specified MATRIX Q This is a FULL matrix of order 1 by 1 It has no free parameters specified MATRIX S This is a computed FULL matrix of order 1 by 4 It has no free parameters specified MATRIX V This is a computed FULL matrix of order 1 by 1 It has no free parameters specified MATRIX W This is a FULL matrix of order 1 by 1 It has no free parameters specified MATRIX X This is a FULL matrix of order 1 by 1 1 MPAREST_A 1 MATRIX Y This is a FULL matrix of order 1 by 1 1 MPAREST_C 2 MATRIX Z This is a FULL matrix of order 1 by 1 1 MPAREST_E 3 GROUP NUMBER: 6 Title G6: female DZ twin pairs MATRIX A This is a computed FULL matrix of order 1 by 1 It has no free parameters specified MATRIX C This is a computed FULL matrix of order 1 by 1 It has no free parameters specified MATRIX D This is a computed FULL matrix of order 1 by 1 It has no free parameters specified MATRIX E This is a computed FULL matrix of order 1 by 1 It has no free parameters specified MATRIX H This is a FULL matrix of order 1 by 1 It has no free parameters specified MATRIX P This is a computed FULL matrix of order 1 by 4 It has no free parameters specified MATRIX Q This is a FULL matrix of order 1 by 1 It has no free parameters specified MATRIX S This is a computed FULL matrix of order 1 by 4 It has no free parameters specified MATRIX V This is a computed FULL matrix of order 1 by 1 It has no free parameters specified MATRIX W This is a FULL matrix of order 1 by 1 It has no free parameters specified MATRIX X This is a FULL matrix of order 1 by 1 1 MPAREST_A 1 MATRIX Y This is a FULL matrix of order 1 by 1 1 MPAREST_C 2 MATRIX Z This is a FULL matrix of order 1 by 1 1 MPAREST_E 3 GROUP NUMBER: 7 Title G7: male-female DZ twin pairs MATRIX A This is a computed FULL matrix of order 1 by 1 It has no free parameters specified MATRIX C This is a computed FULL matrix of order 1 by 1 It has no free parameters specified MATRIX D This is a computed FULL matrix of order 1 by 1 It has no free parameters specified MATRIX E This is a computed FULL matrix of order 1 by 1 It has no free parameters specified MATRIX H This is a FULL matrix of order 1 by 1 1 1 4 MATRIX P This is a computed FULL matrix of order 1 by 4 It has no free parameters specified MATRIX Q This is a FULL matrix of order 1 by 1 It has no free parameters specified MATRIX S This is a computed FULL matrix of order 1 by 4 It has no free parameters specified MATRIX V This is a computed FULL matrix of order 1 by 1 It has no free parameters specified MATRIX W This is a FULL matrix of order 1 by 1 It has no free parameters specified MATRIX X This is a FULL matrix of order 1 by 1 1 MPAREST_A 1 MATRIX Y This is a FULL matrix of order 1 by 1 1 MPAREST_C 2 MATRIX Z This is a FULL matrix of order 1 by 1 1 MPAREST_E 3 Mx starting optimization; number of parameters = 4 MX PARAMETER ESTIMATES GROUP NUMBER: 1 Title Group 1: male parameters of model MATRIX A This is a computed FULL matrix of order 1 by 1 [=X*X'] 1 A^2_F 51.8243 MATRIX C This is a computed FULL matrix of order 1 by 1 [=Y*Y'] 1 C^2_F 26.9486 MATRIX D This is a computed FULL matrix of order 1 by 1 [=W*W'] 1 D^2_F 0.0000 MATRIX E This is a computed FULL matrix of order 1 by 1 [=Z*Z'] 1 E^2_F 21.7804 MATRIX H This is a FULL matrix of order 1 by 1 1 1 0.5000 MATRIX P This is a computed FULL matrix of order 1 by 4 [=A|C|E|D] A C E D ESTIMATE 51.8243 26.9486 21.7804 0.0000 MATRIX Q This is a FULL matrix of order 1 by 1 1 1 0.2500 MATRIX S This is a computed FULL matrix of order 1 by 4 [=P@V~] A^2 C^2 E^2 D^2 STANDEST 0.5154 0.2680 0.2166 0.0000 MATRIX V This is a computed FULL matrix of order 1 by 1 [=A+C+E+D] 1 VARIANCE 100.5534 MATRIX W This is a FULL matrix of order 1 by 1 1 MPAREST_D 0.0000 MATRIX X This is a FULL matrix of order 1 by 1 1 MPAREST_A 7.1989 MATRIX Y This is a FULL matrix of order 1 by 1 1 MPAREST_C 5.1912 MATRIX Z This is a FULL matrix of order 1 by 1 1 MPAREST_E 4.6669 GROUP NUMBER: 2 Title Group 2: female parameters of model MATRIX A This is a computed FULL matrix of order 1 by 1 [=X*X'] 1 A^2_M 0.0000 MATRIX C This is a computed FULL matrix of order 1 by 1 [=Y*Y'] 1 C^2_M 0.0000 MATRIX D This is a computed FULL matrix of order 1 by 1 [=W*W'] 1 D^2_M 0.0000 MATRIX E This is a computed FULL matrix of order 1 by 1 [=Z*Z'] 1 E^2_M 0.0000 MATRIX H This is a FULL matrix of order 1 by 1 1 1 0.5000 MATRIX P This is a computed FULL matrix of order 1 by 4 [=A|C|E|D] A C E D ESTIMATE 0.0000 0.0000 0.0000 0.0000 MATRIX Q This is a FULL matrix of order 1 by 1 1 1 0.2500 MATRIX S This is a computed FULL matrix of order 1 by 4 [=P@V~] A^2 C^2 E^2 D^2 STANDEST 0.0000 0.0000 0.0000 0.0000 MATRIX V This is a computed FULL matrix of order 1 by 1 [=A+C+E+D] 1 VARIANCE 0.0000 MATRIX W This is a FULL matrix of order 1 by 1 1 FPAREST_D 0.0000 MATRIX X This is a FULL matrix of order 1 by 1 1 FPAREST_A 0.0000 MATRIX Y This is a FULL matrix of order 1 by 1 1 FPAREST_C 0.0000 MATRIX Z This is a FULL matrix of order 1 by 1 1 FPAREST_E 0.0000 GROUP NUMBER: 3 Title G3: male MZ twin pairs MATRIX A This is a computed FULL matrix of order 1 by 1 [=X*X'] 1 A^2_F 51.8243 MATRIX C This is a computed FULL matrix of order 1 by 1 [=Y*Y'] 1 C^2_F 26.9486 MATRIX D This is a computed FULL matrix of order 1 by 1 [=W*W'] 1 D^2_F 0.0000 MATRIX E This is a computed FULL matrix of order 1 by 1 [=Z*Z'] 1 E^2_F 21.7804 MATRIX H This is a FULL matrix of order 1 by 1 1 1 0.5000 MATRIX P This is a computed FULL matrix of order 1 by 4 [=A|C|E|D] A C E D ESTIMATE 51.8243 26.9486 21.7804 0.0000 MATRIX Q This is a FULL matrix of order 1 by 1 1 1 0.2500 MATRIX S This is a computed FULL matrix of order 1 by 4 [=P@V~] A^2 C^2 E^2 D^2 STANDEST 0.5154 0.2680 0.2166 0.0000 MATRIX V This is a computed FULL matrix of order 1 by 1 [=A+C+E+D] 1 VARIANCE 100.5534 MATRIX W This is a FULL matrix of order 1 by 1 1 MPAREST_D 0.0000 MATRIX X This is a FULL matrix of order 1 by 1 1 MPAREST_A 7.1989 MATRIX Y This is a FULL matrix of order 1 by 1 1 MPAREST_C 5.1912 MATRIX Z This is a FULL matrix of order 1 by 1 1 MPAREST_E 4.6669 OBSERVED COVARIANCE MATRIX EXT3T1 EXT3T2 EXT3T1 110.4300 EXT3T2 87.3080 108.7900 EXPECTED COVARIANCE MATRIX EXT3T1 EXT3T2 EXT3T1 100.5534 EXT3T2 78.7730 100.5534 RESIDUAL MATRIX EXT3T1 EXT3T2 EXT3T1 9.8766 EXT3T2 8.5350 8.2366 Function value of this group: 5.0926 Where the fit function is Maximum Likelihood GROUP NUMBER: 4 Title G4: male DZ twin pairs MATRIX A This is a computed FULL matrix of order 1 by 1 [=X*X'] 1 A^2_F 51.8243 MATRIX C This is a computed FULL matrix of order 1 by 1 [=Y*Y'] 1 C^2_F 26.9486 MATRIX D This is a computed FULL matrix of order 1 by 1 [=W*W'] 1 D^2_F 0.0000 MATRIX E This is a computed FULL matrix of order 1 by 1 [=Z*Z'] 1 E^2_F 21.7804 MATRIX H This is a FULL matrix of order 1 by 1 1 1 0.5000 MATRIX P This is a computed FULL matrix of order 1 by 4 [=A|C|E|D] A C E D ESTIMATE 51.8243 26.9486 21.7804 0.0000 MATRIX Q This is a FULL matrix of order 1 by 1 1 1 0.2500 MATRIX S This is a computed FULL matrix of order 1 by 4 [=P@V~] A^2 C^2 E^2 D^2 STANDEST 0.5154 0.2680 0.2166 0.0000 MATRIX V This is a computed FULL matrix of order 1 by 1 [=A+C+E+D] 1 VARIANCE 100.5534 MATRIX W This is a FULL matrix of order 1 by 1 1 MPAREST_D 0.0000 MATRIX X This is a FULL matrix of order 1 by 1 1 MPAREST_A 7.1989 MATRIX Y This is a FULL matrix of order 1 by 1 1 MPAREST_C 5.1912 MATRIX Z This is a FULL matrix of order 1 by 1 1 MPAREST_E 4.6669 OBSERVED COVARIANCE MATRIX EXT3T1 EXT3T2 EXT3T1 97.9530 EXT3T2 53.5340 105.2900 EXPECTED COVARIANCE MATRIX EXT3T1 EXT3T2 EXT3T1 100.5534 EXT3T2 52.8608 100.5534 RESIDUAL MATRIX EXT3T1 EXT3T2 EXT3T1 -2.6004 EXT3T2 0.6732 4.7366 Function value of this group: 1.9472 Where the fit function is Maximum Likelihood GROUP NUMBER: 5 Title G5: female MZ twin pairs MATRIX A This is a computed FULL matrix of order 1 by 1 [=X*X'] 1 A^2_F 51.8243 MATRIX C This is a computed FULL matrix of order 1 by 1 [=Y*Y'] 1 C^2_F 26.9486 MATRIX D This is a computed FULL matrix of order 1 by 1 [=W*W'] 1 D^2_F 0.0000 MATRIX E This is a computed FULL matrix of order 1 by 1 [=Z*Z'] 1 E^2_F 21.7804 MATRIX H This is a FULL matrix of order 1 by 1 1 1 0.5000 MATRIX P This is a computed FULL matrix of order 1 by 4 [=A|C|E|D] A C E D ESTIMATE 51.8243 26.9486 21.7804 0.0000 MATRIX Q This is a FULL matrix of order 1 by 1 1 1 0.2500 MATRIX S This is a computed FULL matrix of order 1 by 4 [=P@V~] A^2 C^2 E^2 D^2 STANDEST 0.5154 0.2680 0.2166 0.0000 MATRIX V This is a computed FULL matrix of order 1 by 1 [=A+C+E+D] 1 VARIANCE 100.5534 MATRIX W This is a FULL matrix of order 1 by 1 1 MPAREST_D 0.0000 MATRIX X This is a FULL matrix of order 1 by 1 1 MPAREST_A 7.1989 MATRIX Y This is a FULL matrix of order 1 by 1 1 MPAREST_C 5.1912 MATRIX Z This is a FULL matrix of order 1 by 1 1 MPAREST_E 4.6669 OBSERVED COVARIANCE MATRIX EXT3T1 EXT3T2 EXT3T1 99.2650 EXT3T2 81.1320 106.2300 EXPECTED COVARIANCE MATRIX EXT3T1 EXT3T2 EXT3T1 100.5534 EXT3T2 78.7730 100.5534 RESIDUAL MATRIX EXT3T1 EXT3T2 EXT3T1 -1.2884 EXT3T2 2.3590 5.6766 Function value of this group: 3.9494 Where the fit function is Maximum Likelihood GROUP NUMBER: 6 Title G6: female DZ twin pairs MATRIX A This is a computed FULL matrix of order 1 by 1 [=X*X'] 1 A^2_F 51.8243 MATRIX C This is a computed FULL matrix of order 1 by 1 [=Y*Y'] 1 C^2_F 26.9486 MATRIX D This is a computed FULL matrix of order 1 by 1 [=W*W'] 1 D^2_F 0.0000 MATRIX E This is a computed FULL matrix of order 1 by 1 [=Z*Z'] 1 E^2_F 21.7804 MATRIX H This is a FULL matrix of order 1 by 1 1 1 0.5000 MATRIX P This is a computed FULL matrix of order 1 by 4 [=A|C|E|D] A C E D ESTIMATE 51.8243 26.9486 21.7804 0.0000 MATRIX Q This is a FULL matrix of order 1 by 1 1 1 0.2500 MATRIX S This is a computed FULL matrix of order 1 by 4 [=P@V~] A^2 C^2 E^2 D^2 STANDEST 0.5154 0.2680 0.2166 0.0000 MATRIX V This is a computed FULL matrix of order 1 by 1 [=A+C+E+D] 1 VARIANCE 100.5534 MATRIX W This is a FULL matrix of order 1 by 1 1 MPAREST_D 0.0000 MATRIX X This is a FULL matrix of order 1 by 1 1 MPAREST_A 7.1989 MATRIX Y This is a FULL matrix of order 1 by 1 1 MPAREST_C 5.1912 MATRIX Z This is a FULL matrix of order 1 by 1 1 MPAREST_E 4.6669 OBSERVED COVARIANCE MATRIX EXT3T1 EXT3T2 EXT3T1 99.8430 EXT3T2 52.1170 98.9270 EXPECTED COVARIANCE MATRIX EXT3T1 EXT3T2 EXT3T1 100.5534 EXT3T2 52.8608 100.5534 RESIDUAL MATRIX EXT3T1 EXT3T2 EXT3T1 -0.7104 EXT3T2 -0.7438 -1.6264 Function value of this group: 0.1426 Where the fit function is Maximum Likelihood GROUP NUMBER: 7 Title G7: male-female DZ twin pairs MATRIX A This is a computed FULL matrix of order 1 by 1 [=X*X'] 1 A^2_F 51.8243 MATRIX C This is a computed FULL matrix of order 1 by 1 [=Y*Y'] 1 C^2_F 26.9486 MATRIX D This is a computed FULL matrix of order 1 by 1 [=W*W'] 1 D^2_F 0.0000 MATRIX E This is a computed FULL matrix of order 1 by 1 [=Z*Z'] 1 E^2_F 21.7804 MATRIX H This is a FULL matrix of order 1 by 1 1 1 0.4908 MATRIX P This is a computed FULL matrix of order 1 by 4 [=A|C|E|D] A C E D ESTIMATE 51.8243 26.9486 21.7804 0.0000 MATRIX Q This is a FULL matrix of order 1 by 1 1 1 0.2500 MATRIX S This is a computed FULL matrix of order 1 by 4 [=P@V~] A^2 C^2 E^2 D^2 STANDEST 0.5154 0.2680 0.2166 0.0000 MATRIX V This is a computed FULL matrix of order 1 by 1 [=A+C+E+D] 1 VARIANCE 100.5534 MATRIX W This is a FULL matrix of order 1 by 1 1 MPAREST_D 0.0000 MATRIX X This is a FULL matrix of order 1 by 1 1 MPAREST_A 7.1989 MATRIX Y This is a FULL matrix of order 1 by 1 1 MPAREST_C 5.1912 MATRIX Z This is a FULL matrix of order 1 by 1 1 MPAREST_E 4.6669 OBSERVED COVARIANCE MATRIX EXT3T1 EXT3T2 EXT3T1 100.0400 EXT3T2 48.4990 91.5810 EXPECTED COVARIANCE MATRIX EXT3T1 EXT3T2 EXT3T1 100.5534 EXT3T2 52.3859 100.5534 RESIDUAL MATRIX EXT3T1 EXT3T2 EXT3T1 -0.5134 EXT3T2 -3.8869 -8.9724 Function value of this group: 8.7070 Where the fit function is Maximum Likelihood Your model has 4 estimated parameters and 15 Observed statistics Chi-squared fit of model >>>>>>> 19.839 Degrees of freedom >>>>>>>>>>>>> 11 Probability >>>>>>>>>>>>>>>>>>>> 0.048 Akaike's Information Criterion > -2.161 RMSEA >>>>>>>>>>>>>>>>>>>>>>>>>> 0.020 This problem used 1.1% of my workspace Task Time elapsed (DD:HH:MM:SS) Reading script & data 0: 0: 0: 0.05 Execution 0: 0: 0: 0.17 TOTAL 0: 0: 0: 0.22 Total number of warnings issued: 1 ______________________________________________________________________________