* HLM Nested Two-Factor ANOVA;

data hlmnest;



method   classes    y

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

   1        1       3

   1        1       6

   1        1       3

   1        1       3

   1        2       1

   1        2       2

   1        2       2

   1        2       2

   1        3       5

   1        3       6

   1        3       5

   1        3       6

   1        4       2

   1        4       3

   1        4       4

   1        4       3

   2        5       7

   2        5       8

   2        5       7

   2        5       6

   2        6       4

   2        6       5

   2        6       4

   2        6       3

   2        7       7

   2        7       8

   2        7       9

   2        7       8

   2        8      10

   2        8      10

   2        8       9

   2        8      11