anovaout5_5.lst

黄燕 吴平《SAS统计分析及应用》 书中一些例子的SAS程序代码

                                         The SAS System       09:33 Tuesday, October 5, 2004  20

                                      The ANOVA Procedure

                                    Class Level Information

                            Class         Levels    Values

                            variety            8    A B C D E F G H


                                  Number of observations    25

NOTE: Due to missing values, only 24 observations can be used in this analysis.
                                         The SAS System       09:33 Tuesday, October 5, 2004  21

                                      The ANOVA Procedure
Dependent Variable: yield   yield
                              Sum of
Source             DF         Squares     Mean Square    F Value    Pr > F
Model               7     34.08000000      4.86857143       1.54    0.2233
Error              16     50.53333333      3.15833333
Corrected Total    23     84.61333333


                       R-Square     Coeff Var      Root MSE    yield Mean

                       0.402773      15.34248      1.777170      11.58333


      Source                      DF        Anova SS     Mean Square    F Value    Pr > F

      variety                      7     34.08000000      4.86857143       1.54    0.2233
                                         The SAS System       09:33 Tuesday, October 5, 2004  22

                                      The ANOVA Procedure

                                    t Tests (LSD) for yield

NOTE:This test controls the TypeI comparisonwise error rate,not the experimentwise error                                             rate.
                             Alpha                            0.08
                             Error Degrees of Freedom           16
                             Error Mean Square            3.158333
                             Critical Value of t           1.86928
                             Least Significant Difference   2.7124


                   Means with the same letter are not significantly different.
                         t Grouping          Mean      N    variety
                                  A        14.167      3    E
                                  A
                             B    A        12.367      3    B
                             B    A
                             B    A        11.867      3    G
                             B
                             B             11.367      3    H
                             B
                             B             11.367      3    C
                             B
                             B             10.833      3    F
                             B
                             B             10.733      3    A
                             B
                             B              9.967      3    D
                                         The SAS System       09:33 Tuesday, October 5, 2004  23

                                      The ANOVA Procedure

                    Ryan-Einot-Gabriel-Welsch Multiple Range Test for yield
                 NOTE: This test controls the Type I experimentwise error rate.
                               Alpha                        0.08
                               Error Degrees of Freedom       16
                               Error Mean Square        3.158333
  Number of Means          2          3          4          5          6          7          8
  Critical Range   3.7265734  4.1042502  4.3037949  4.4337814  4.5270936  4.5270936  4.6539069
                  Means with the same letter are not significantly different.
                  REGWQ Grouping          Mean      N    variety
                               A        14.167      3    E
                               A
                               A        12.367      3    B
                               A
                               A        11.867      3    G
                               A
                               A        11.367      3    H
                               A
                               A        11.367      3    C
                               A
                               A        10.833      3    F
                               A
                               A        10.733      3    A
                               A
                               A         9.967      3    D