! Multivariate example - Cholesky decomposition
! Dutch 5-year old twins - IQ subtests
!
! 
! Group 1 fits model to MZ male data
! Group 2 fits model to DZ male data


#define nvar 12               ! define number of variables
#ngroups 2


Title G1: male MZ twin pairs
#include iqmzmraw.dat
 Matrices
  X Lower nvar nvar Free        ! triangular decomposition
  M Full nvar 1 free                   !means
 End Matrices;
 Covariances X*X';
 Means M;
 Option Rsiduals
End 

Title G2: male DZ twin pairs
#include iqdzmraw.dat
 Matrices
  X Lower nvar nvar Free        ! triangular decomposition
  M Full nvar 1 free                   !means
 End Matrices;
 Covariances X*X';
 Means M;
 Option RSiduals
 Option NDecimals=4
 Start .1 all
 start 2.5 X 1 1 1 X 1 2 2 X 1 3 3 X 1 4 4 X 1 5 5 X 1 6 6 X 1 7 7 X 1 8 8 X 1 9 9 X 1 10 10 X 1 11 11 X 1 12 12
 start 2.5 X 2 1 1 X 2 2 2 X 2 3 3 X 2 4 4 X 2 5 5 X 2 6 6 X 2 7 7 X 2 8 8 X 2 9 9 X 2 10 10 X 2 11 11 X 2 12 12
 start 15 M 1 1 1 - M 1 12 1 
 start 15 M 2 1 1 - M 2 12 1
End