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 2 802.666667 401.333333 9.90 0.0126
Error 6 243.333333 40.555556    
Corrected Total 8 1046.000000      

R-Square Coeff Var Root MSE y Mean
0.767368 16.32904 6.368324 39.00000

Source DF Type III SS Mean Square F Value Pr > F
a 2 802.6666667 401.3333333 9.90 0.0126
b 0 0.0000000 . . .
a*b 0 0.0000000 . . .

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 36.3333333 4.93288286
2 1 3 29.0000000 4.00000000
3 1 3 51.6666667 9.01849951



The SAS System

The GLM Procedure
Least Squares Means

a b y LSMEAN
1 1 36.3333333
2 1 29.0000000
3 1 51.6666667

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

LinesPlot.png



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 13616.88889 6808.44444 1075.02 <.0001
Error 6 38.00000 6.33333    
Corrected Total 8 13654.88889      

R-Square Coeff Var Root MSE y Mean
0.997217 3.538985 2.516611 71.11111

Source DF Type III SS Mean Square F Value Pr > F
a 2 13616.88889 6808.44444 1075.02 <.0001
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 3 115.333333 1.52752523
2 1 3 77.333333 4.04145188
3 1 3 20.666667 0.57735027



The SAS System

The GLM Procedure
Least Squares Means

a b y LSMEAN
1 1 115.333333
2 1 77.333333
3 1 20.666667

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

LinesPlot1.png