title:
  Data from table 2.1, page 20.
  Input 2.1, page 21.
  Output 2.1, 2.2, 2.3 page 23
  ** does not show means in Output 2.4
data:  
  file is ddsla_ch2.dat;
  format is free;
  type is correlation means stdeviations;
  nobservations = 343;
variable:  
  names are y1 y2 y3; 
analysis:  
  type = general meanstructure;          
model: 
  constant linear quad | y1@0 y2@1 y3@2;
  [y1@0];
  [y2@0];
  [y3@0];  ! Footnote 1. 
  y1@0;
  y2@0;
  y3@0;    ! Footnote 2.
  y1-y3@0;
  [y1-y3@0];
output:
  sampstat;

! Footnotes.
! 1. Could have used shorthand [y1-y3@0];
! 2. Could have used shorthand y1-y3@0;