Mplus VERSION 6
MUTHEN & MUTHEN
04/25/2010 10:57 PM
INPUT INSTRUCTIONS
! SCRIPT NAME : rawVCmod1 (sp)
! GOAL : GxE - Basic model: To model continuous moderation effects on vari
! DATA : continuous
! INPUT : raw data
! UNI/BI/MULTI : uni
! DATA-GROUPS : MZ DZ
! MEANS MODEL : grand mean, moderator effect
! VARIANCE COVARIANCE MODEL(S) : ACE + moderator-linked A component, C component,
! GxE - Basic model
data: file is example6.dat;
variable:
names are id zyg p1 p2 m1 m2;
usevar are p1 p2 m1 m2;
grouping=zyg(1=MZ 2=DZ); ! specify the two groups MZ and DZ
missing=all(-200); ! specify missing data symbol
constraint=m1 m2;
model :
p1 on m1 (b);
p2 on m2 (b);
[p1 p2] (m);
p1 (v1); p2 (v2);
p1 with p2 (c1);
model DZ:
p1 with p2 (c2);
model constraint:
new(a*5 c*5 e*5 t u v );
v1=(a+t*m1)**2 + (c+u*m1)**2 + (e+v*m1)**2;
v2=(a+t*m2)**2 + (c+u*m2)**2 + (e+v*m2)**2;
c1=(a+t*m1)*(a+t*m2) + (c+u*m1)*(c+u*m2);
c2=0.5*(a+t*m1)*(a+t*m2) + (c+u*m1)*(c+u*m2);
*** WARNING
Input line exceeded 90 characters. Some input may be truncated.
! GOAL : GxE - Basic model: To model continuous moderation effects on variance components
*** WARNING
Input line exceeded 90 characters. Some input may be truncated.
! VARIANCE COVARIANCE MODEL(S) : ACE + moderator-linked A component, C component, E compo
2 WARNING(S) FOUND IN THE INPUT INSTRUCTIONS
SUMMARY OF ANALYSIS
Number of groups 2
Number of observations
Group MZ 200
Group DZ 200
Number of dependent variables 2
Number of independent variables 2
Number of continuous latent variables 0
Observed dependent variables
Continuous
P1 P2
Observed independent variables
M1 M2
Variables with special functions
Grouping variable ZYG
Estimator ML
Information matrix OBSERVED
Maximum number of iterations 1000
Convergence criterion 0.500D-04
Maximum number of steepest descent iterations 20
Maximum number of iterations for H1 2000
Convergence criterion for H1 0.100D-03
Input data file(s)
example6.dat
Input data format FREE
SUMMARY OF DATA
Group MZ
Number of missing data patterns 1
Group DZ
Number of missing data patterns 1
COVARIANCE COVERAGE OF DATA
Minimum covariance coverage value 0.100
PROPORTION OF DATA PRESENT FOR MZ
Covariance Coverage
P1 P2 M1 M2
________ ________ ________ ________
P1 1.000
P2 1.000 1.000
M1 1.000 1.000 1.000
M2 1.000 1.000 1.000 1.000
PROPORTION OF DATA PRESENT FOR DZ
Covariance Coverage
P1 P2 M1 M2
________ ________ ________ ________
P1 1.000
P2 1.000 1.000
M1 1.000 1.000 1.000
M2 1.000 1.000 1.000 1.000
WARNING: THE SAMPLE COVARIANCE OF THE INDEPENDENT VARIABLES IN GROUP MZ
IS SINGULAR.
WARNING: THE SAMPLE CORRELATION OF M2 AND M1
IN GROUP MZ IS 1.000.
WARNING: THE SAMPLE COVARIANCE OF THE INDEPENDENT VARIABLES IN GROUP DZ
IS SINGULAR.
WARNING: THE SAMPLE CORRELATION OF M2 AND M1
IN GROUP DZ IS 1.000.
THE MODEL ESTIMATION TERMINATED NORMALLY
TESTS OF MODEL FIT
Loglikelihood
H0 Value -748.331
Information Criteria
Number of Free Parameters 8
Akaike (AIC) 1512.662
Bayesian (BIC) 1544.594
Sample-Size Adjusted BIC 1519.209
(n* = (n + 2) / 24)
MODEL RESULTS
Two-Tailed
Estimate S.E. Est./S.E. P-Value
Group MZ
P1 ON
M1 0.367 0.094 3.898 0.000
P2 ON
M2 0.367 0.094 3.898 0.000
P1 WITH
P2 999.000 0.000 999.000 999.000
Intercepts
P1 0.074 0.088 0.838 0.402
P2 0.074 0.088 0.838 0.402
Residual Variances
P1 999.000 0.000 999.000 999.000
P2 999.000 0.000 999.000 999.000
Group DZ
P1 ON
M1 0.367 0.094 3.898 0.000
P2 ON
M2 0.367 0.094 3.898 0.000
P1 WITH
P2 999.000 0.000 999.000 999.000
Intercepts
P1 0.074 0.088 0.838 0.402
P2 0.074 0.088 0.838 0.402
Residual Variances
P1 999.000 0.000 999.000 999.000
P2 999.000 0.000 999.000 999.000
New/Additional Parameters
A 1.229 0.170 7.224 0.000
C 0.987 0.219 4.503 0.000
E -0.924 0.043 -21.589 0.000
T -0.601 0.130 -4.609 0.000
U 0.176 0.186 0.950 0.342
V -0.383 0.021 -18.308 0.000
QUALITY OF NUMERICAL RESULTS
Condition Number for the Information Matrix 0.930E-04
(ratio of smallest to largest eigenvalue)
Beginning Time: 22:57:50
Ending Time: 22:57:52
Elapsed Time: 00:00:02
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