Kuehl -- Example 11.1 -- Truck Leaf Springs Obs a b c y a1 b1 c1 1 1840 23 10 32 -1 -1 -1 2 1880 23 10 35 1 -1 -1 3 1840 25 10 28 -1 1 -1 4 1880 25 10 31 1 1 -1 5 1840 23 12 48 -1 -1 1 6 1880 23 12 39 1 -1 1 7 1840 25 12 28 -1 1 1 8 1880 25 12 29 1 1 1 Kuehl -- Example 11.1 -- Truck Leaf Springs The GLM Procedure Class Level Information Class Levels Values a 2 1840 1880 b 2 23 25 c 2 10 12 Number of Observations Read 8 Number of Observations Used 8 Kuehl -- Example 11.1 -- Truck Leaf Springs The GLM Procedure Dependent Variable: y Sum of Source DF Squares Mean Square F Value Pr > F Model 7 331.5000000 47.3571429 . . Error 0 0.0000000 . Corrected Total 7 331.5000000 R-Square Coeff Var Root MSE y Mean 1.000000 . . 33.75000 Source DF Type I SS Mean Square F Value Pr > F a 1 0.5000000 0.5000000 . . b 1 180.5000000 180.5000000 . . c 1 40.5000000 40.5000000 . . a*b 1 12.5000000 12.5000000 . . a*c 1 24.5000000 24.5000000 . . b*c 1 60.5000000 60.5000000 . . a*b*c 1 12.5000000 12.5000000 . . Source DF Type III SS Mean Square F Value Pr > F a 1 0.5000000 0.5000000 . . b 1 180.5000000 180.5000000 . . c 1 40.5000000 40.5000000 . . a*b 1 12.5000000 12.5000000 . . a*c 1 24.5000000 24.5000000 . . b*c 1 60.5000000 60.5000000 . . a*b*c 1 12.5000000 12.5000000 . . Kuehl -- Example 11.1 -- Truck Leaf Springs The GLM Procedure Number of Observations Read 8 Number of Observations Used 8 Kuehl -- Example 11.1 -- Truck Leaf Springs The GLM Procedure Dependent Variable: y Sum of Source DF Squares Mean Square F Value Pr > F Model 7 331.5000000 47.3571429 . . Error 0 0.0000000 . Corrected Total 7 331.5000000 R-Square Coeff Var Root MSE y Mean 1.000000 . . 33.75000 Source DF Type I SS Mean Square F Value Pr > F a1 1 0.5000000 0.5000000 . . b1 1 180.5000000 180.5000000 . . a1*b1 1 12.5000000 12.5000000 . . c1 1 40.5000000 40.5000000 . . a1*c1 1 24.5000000 24.5000000 . . b1*c1 1 60.5000000 60.5000000 . . a1*b1*c1 1 12.5000000 12.5000000 . . Source DF Type III SS Mean Square F Value Pr > F a1 1 0.5000000 0.5000000 . . b1 1 180.5000000 180.5000000 . . a1*b1 1 12.5000000 12.5000000 . . c1 1 40.5000000 40.5000000 . . a1*c1 1 24.5000000 24.5000000 . . b1*c1 1 60.5000000 60.5000000 . . a1*b1*c1 1 12.5000000 12.5000000 . . Standard Parameter Estimate Error t Value Pr > |t| Intercept 33.75000000 . . . a1 -0.25000000 . . . b1 -4.75000000 . . . a1*b1 1.25000000 . . . c1 2.25000000 . . . a1*c1 -1.75000000 . . . b1*c1 -2.75000000 . . . a1*b1*c1 1.25000000 . . .