The SAS System

The GLM Procedure

Class Level Information
Class Levels Values
a 3 1 2 3
b 1 1

Number of Observations Read 9
Number of Observations Used 9



The SAS System

The GLM Procedure
 
Dependent Variable: y

Source DF Sum of Squares Mean Square F Value Pr > F
Model 2 77753.55556 38876.77778 17.07 0.0033
Error 6 13668.66667 2278.11111    
Corrected Total 8 91422.22222      

R-Square Coeff Var Root MSE y Mean
0.850489 10.78499 47.72956 442.5556

Source DF Type III SS Mean Square F Value Pr > F
a 2 77753.55556 38876.77778 17.07 0.0033
b 0 0.00000 . . .
a*b 0 0.00000 . . .

Interaction Plot for y by a



The SAS System

The GLM Procedure

Distribution of y by a*b

Level of
a
Level of
b
N y
Mean Std Dev
1 1 3 551.000000 76.6224510
2 1 3 452.666667 20.5020324
3 1 3 324.000000 23.3023604



The SAS System

The GLM Procedure
Least Squares Means

a b y LSMEAN
1 1 551.000000
2 1 452.666667
3 1 324.000000

Plot of y least-squares means for a*b.

LinesPlot.png