The SAS System                               15:29 Sunday, July 13, 2008   1

The Mixed Procedure

                         Contrasts
 
                            Num     Den
Label                        DF      DF    F Value    Pr > F

hr=1 vs hr=8 x P vs TRT       1     160      29.78    <.0001
hr=1 vs hr=8 x A vs C         1     160       0.31    0.5773


                Tests of Effect Slices
 
                      Num     Den
Effect       hour      DF      DF    F Value    Pr > F

drug*hour    1          2     107      18.03    <.0001
drug*hour    2          2     107      12.57    <.0001
drug*hour    3          2     107      10.38    <.0001
drug*hour    4          2     107       7.67    0.0008
drug*hour    5          2     107       5.21    0.0070
drug*hour    6          2     107       1.64    0.1998
drug*hour    7          2     107       0.82    0.4427
drug*hour    8          2     107       1.72    0.1839
The SAS System                               15:29 Sunday, July 13, 2008   2

               Plot of meany*hour.  Symbol is value of drug.

meany |
      |
  3.8 +
      |
      |
      |
      |  c
      |
      |           c
  3.6 +
      |                    c
      |
      |
      |  a
      |
      |                             c
  3.4 +           a
      |
      |
      |
      |
      |                                      c
      |
  3.2 +                    a
      |
      |
      |
      |                                               c
      |                             a        a
      |
  3.0 +                                               a                 c
      |                                                        c
      |
      |
      |           p        p                                   a        a
      |                             p
      |  p
  2.8 +                                               p
      |                                                        p
      |                                      p
      |                                                                 p
      |
      |
      |
  2.6 +
      |
      ---+--------+--------+--------+--------+--------+--------+--------+--
         1        2        3        4        5        6        7        8

                                       hour