title:
  Data from table 4.1, page 54.
  Input adapted from Appendix 4.1 page 152.
  Output bottom of page 57, top of page 58, and table 4.3
data:  
  file is ch4.dat;
  format is free;
  type is means covariance;
  ngroups = 2;
  nobservations = 196 95;
variable:  
  names are v1 v2 v3; 
analysis: 
  type = general meanstructure ;
model:
  inter slope | v1@0 v2@1 v3@2;
  [inter] (1);
  [slope]    ; ! removed (2)
  inter   (3);
  slope   (4);
  v1      (5);
  v2      (6);
  v3      (7);
  inter with slope (8);