* Unweighted MANCOVA Tests;

data mancova1;



 a    b    y1    y2    z

------------------------

 1    1     2    22    1

 1    1     2    21    2

 1    1     3    14    4

 1    1     3    25    4

 1    1     4    31    5

 1    2     3    31    3

 1    2     4    25    5

 1    2     5    30    6

 1    2     5    31    5

 1    3     5    31    6

 1    3     6    41    5

 1    3     8    50    6

 2    1     3    31    2

 2    1     5    66    4

 2    1     5    45    3

 2    2     5    45    5

 2    2     6    34    8

 2    2     6    31    4

 2    2     7    30    6

 2    3     3    21    3

 2    3     4    21    3

 2    3     4    31    4