The SAS System 1
02:57 Tuesday, December 13, 2005
The GLM Procedure
Class Level Information
Class Levels Values
Treat 4 1 A AB B
R 3 1 2 3
Number of observations 12
The SAS System 2
02:57 Tuesday, December 13, 2005
The GLM Procedure
Dependent Variable: Y
Sum of
Source DF Squares Mean Square F Value Pr > F
Model 3 179.9625000 59.9875000 47.61 <.0001
Error 8 10.0800000 1.2600000
Corrected Total 11 190.0425000
R-Square Coeff Var Root MSE Y Mean
0.946959 6.792721 1.122497 16.52500
Source DF Type I SS Mean Square F Value Pr > F
Treat 3 179.9625000 59.9875000 47.61 <.0001
Source DF Type III SS Mean Square F Value Pr > F
Treat 3 179.9625000 59.9875000 47.61 <.0001
The SAS System 3
02:57 Tuesday, December 13, 2005
The GLM Procedure
t Tests (LSD) for Y
NOTE: This test controls the Type I comparisonwise error rate, not the
experimentwise error rate.
Alpha 0.05
Error Degrees of Freedom 8
Error Mean Square 1.26
Critical Value of t 2.30600
Least Significant Difference 2.1135
Means with the same letter are not significantly different.
t Grouping Mean N Treat
A 22.8000 3 AB
B 15.6000 3 A
B
B 15.5000 3 B
C 12.2000 3 1
The SAS System 4
02:57 Tuesday, December 13, 2005
The GLM Procedure
Dependent Variable: Y
Contrast DF Contrast SS Mean Square F Value Pr > F
Main of A 1 85.86750000 85.86750000 68.15 <.0001
Main of B 1 82.68750000 82.68750000 65.62 <.0001
Intr. of A & B 1 11.40750000 11.40750000 9.05 0.0168