Title:  
    2-group regular LTA
    with x1 as group variable

data:
    file = mgbch.dat;

variable:  
    NAMES = u1-u12 x1 y1-y3 w1-w18;
    usev = w1-w18;    
    missing = *;  
              
  
   
analysis:   
    type = basic



  
   
 