Kuehl -- Example 12.2 -- Fractional Factorial The GLM Procedure Class Level Information Class Levels Values a 2 0 1 s 2 0 1 m 2 0 1 c 2 0 1 t 2 0 1 Number of Observations Read 16 Number of Observations Used 16 Kuehl -- Example 12.2 -- Fractional Factorial The GLM Procedure Dependent Variable: y Sum of Source DF Squares Mean Square F Value Pr > F Model 5 548.2631250 109.6526250 83.44 <.0001 Error 10 13.1412500 1.3141250 Corrected Total 15 561.4043750 R-Square Coeff Var Root MSE y Mean 0.976592 2.529533 1.146353 45.31875 Source DF Type I SS Mean Square F Value Pr > F a 1 62.0156250 62.0156250 47.19 <.0001 m 1 377.3306250 377.3306250 287.13 <.0001 t 1 52.2006250 52.2006250 39.72 <.0001 s 1 2.3256250 2.3256250 1.77 0.2130 a*s 1 54.3906250 54.3906250 41.39 <.0001 Source DF Type III SS Mean Square F Value Pr > F a 1 62.0156250 62.0156250 47.19 <.0001 m 1 377.3306250 377.3306250 287.13 <.0001 t 1 52.2006250 52.2006250 39.72 <.0001 s 1 2.3256250 2.3256250 1.77 0.2130 a*s 1 54.3906250 54.3906250 41.39 <.0001