The SAS System The GLM Procedure Number of Observations Read 4 Number of Observations Used 4 The SAS System The GLM Procedure Dependent Variable: pctconv Sum of Source DF Squares Mean Square F Value Pr > F Model 2 320.0000000 160.0000000 Infty <.0001 Error 1 0.0000000 0.0000000 Corrected Total 3 320.0000000 R-Square Coeff Var Root MSE pctconv Mean 1.000000 0 0 20.00000 Source DF Type I SS Mean Square F Value Pr > F x1 1 256.0000000 256.0000000 Infty <.0001 x2 1 64.0000000 64.0000000 Infty <.0001 Source DF Type III SS Mean Square F Value Pr > F x1 1 256.0000000 256.0000000 Infty <.0001 x2 1 64.0000000 64.0000000 Infty <.0001 Standard Parameter Estimate Error t Value Pr > |t| Intercept 20.00000000 0 Infty <.0001 x1 8.00000000 0 Infty <.0001 x2 4.00000000 0 Infty <.0001 The SAS System The GLM Procedure Number of Observations Read 4 Number of Observations Used 4 The SAS System The GLM Procedure Dependent Variable: pctconv Sum of Source DF Squares Mean Square F Value Pr > F Model 3 320.0000000 106.6666667 . . Error 0 0.0000000 . Corrected Total 3 320.0000000 R-Square Coeff Var Root MSE pctconv Mean 1.000000 . . 20.00000 Source DF Type I SS Mean Square F Value Pr > F x1 1 256.0000000 256.0000000 . . x2 1 64.0000000 64.0000000 . . x1*x2 1 0.0000000 0.0000000 . . Source DF Type III SS Mean Square F Value Pr > F x1 1 256.0000000 256.0000000 . . x2 1 64.0000000 64.0000000 . . x1*x2 1 0.0000000 0.0000000 . . Standard Parameter Estimate Error t Value Pr > |t| Intercept 20.00000000 . . . x1 8.00000000 . . . x2 4.00000000 . . . x1*x2 0.00000000 . . . The SAS System The GLM Procedure Number of Observations Read 8 Number of Observations Used 8 The SAS System The GLM Procedure Dependent Variable: pctconv Sum of Source DF Squares Mean Square F Value Pr > F Model 2 320.0000000 160.0000000 44.44 0.0007 Error 5 18.0000000 3.6000000 Corrected Total 7 338.0000000 R-Square Coeff Var Root MSE pctconv Mean 0.946746 9.035079 1.897367 21.00000 Source DF Type I SS Mean Square F Value Pr > F x1 1 256.0000000 256.0000000 71.11 0.0004 x2 1 64.0000000 64.0000000 17.78 0.0084 Source DF Type III SS Mean Square F Value Pr > F x1 1 256.0000000 256.0000000 71.11 0.0004 x2 1 64.0000000 64.0000000 17.78 0.0084 Standard Parameter Estimate Error t Value Pr > |t| Intercept 21.00000000 0.67082039 31.30 <.0001 x1 8.00000000 0.94868330 8.43 0.0004 x2 4.00000000 0.94868330 4.22 0.0084 The SAS System The GLM Procedure Number of Observations Read 8 Number of Observations Used 8 The SAS System The GLM Procedure Dependent Variable: pctconv Sum of Source DF Squares Mean Square F Value Pr > F Model 4 328.0000000 82.0000000 24.60 0.0125 Error 3 10.0000000 3.3333333 Corrected Total 7 338.0000000 R-Square Coeff Var Root MSE pctconv Mean 0.970414 8.694009 1.825742 21.00000 Source DF Type I SS Mean Square F Value Pr > F x1 1 256.0000000 256.0000000 76.80 0.0031 x2 1 64.0000000 64.0000000 19.20 0.0220 x1*x2 1 0.0000000 0.0000000 0.00 1.0000 x1*x1 1 8.0000000 8.0000000 2.40 0.2191 x2*x2 0 0.0000000 . . . Source DF Type III SS Mean Square F Value Pr > F x1 1 256.0000000 256.0000000 76.80 0.0031 x2 1 64.0000000 64.0000000 19.20 0.0220 x1*x2 1 0.0000000 0.0000000 0.00 1.0000 x1*x1 0 0.0000000 . . . x2*x2 0 0.0000000 . . . Standard Parameter Estimate Error t Value Pr > |t| Intercept 22.00000000 0.91287093 24.10 0.0002 x1 8.00000000 0.91287093 8.76 0.0031 x2 4.00000000 0.91287093 4.38 0.0220 x1*x2 0.00000000 0.91287093 0.00 1.0000 x1*x1 -2.00000000 B 1.29099445 -1.55 0.2191 x2*x2 0.00000000 B . . . NOTE: The X'X matrix has been found to be singular, and a generalized inverse was used to solve the normal equations. Terms whose estimates are followed by the letter 'B' are not uniquely estimable.