The SAS System The GLM Procedure Number of observations 294 The SAS System The GLM Procedure Dependent Variable: ave_fare Sum of Source DF Squares Mean Square F Value Pr > F Model 7 36.63492610 5.23356087 49.53 <.0001 Error 286 30.21894818 0.10566066 Corrected Total 293 66.85387428 R-Square Coeff Var Root MSE ave_fare Mean 0.547985 24.86566 0.325055 1.307244 Source DF Type I SS Mean Square F Value Pr > F distance 1 23.11204251 23.11204251 218.74 <.0001 west 1 6.66383723 6.66383723 63.07 <.0001 midwest 1 5.03705509 5.03705509 47.67 <.0001 south 1 1.09600082 1.09600082 10.37 0.0014 distance*west 1 0.01332286 0.01332286 0.13 0.7228 distance*midwest 1 0.13429194 0.13429194 1.27 0.2605 distance*south 1 0.57837565 0.57837565 5.47 0.0200 Source DF Type III SS Mean Square F Value Pr > F distance 1 1.18589028 1.18589028 11.22 0.0009 west 1 0.02511479 0.02511479 0.24 0.6263 midwest 1 0.34485094 0.34485094 3.26 0.0719 south 1 0.12308905 0.12308905 1.16 0.2814 distance*west 1 0.58203574 0.58203574 5.51 0.0196 distance*midwest 1 0.31197100 0.31197100 2.95 0.0868 distance*south 1 0.57837565 0.57837565 5.47 0.0200 Standard Parameter Estimate Error t Value Pr > |t| Intercept 0.3222997452 0.32693013 0.99 0.3250 distance 0.3686207805 0.11003079 3.35 0.0009 west 0.1632828600 0.33491334 0.49 0.6263 midwest 0.6888932865 0.38132291 1.81 0.0719 south 0.3603822693 0.33389534 1.08 0.2814 distance*west -.2596590418 0.11063315 -2.35 0.0196 distance*midwest -.2044450991 0.11898062 -1.72 0.0868 distance*south -.2583380472 0.11041804 -2.34 0.0200 The SAS System The GLM Procedure Number of observations 294 The SAS System The GLM Procedure Dependent Variable: ave_fare Sum of Source DF Squares Mean Square F Value Pr > F Model 4 35.90893565 8.97723391 83.84 <.0001 Error 289 30.94493864 0.10707591 Corrected Total 293 66.85387428 R-Square Coeff Var Root MSE ave_fare Mean 0.537126 25.03164 0.327225 1.307244 Source DF Type I SS Mean Square F Value Pr > F distance 1 23.11204251 23.11204251 215.85 <.0001 west 1 6.66383723 6.66383723 62.23 <.0001 midwest 1 5.03705509 5.03705509 47.04 <.0001 south 1 1.09600082 1.09600082 10.24 0.0015 Source DF Type III SS Mean Square F Value Pr > F distance 1 26.34031721 26.34031721 246.00 <.0001 west 1 2.67577760 2.67577760 24.99 <.0001 midwest 1 0.21216644 0.21216644 1.98 0.1603 south 1 1.09600082 1.09600082 10.24 0.0015 Standard Parameter Estimate Error t Value Pr > |t| Intercept 1.041172615 0.11090261 9.39 <.0001 distance 0.112185750 0.00715275 15.68 <.0001 west -0.574247894 0.11487362 -5.00 <.0001 midwest 0.181551626 0.12897564 1.41 0.1603 south -0.371220651 0.11603061 -3.20 0.0015 The SAS System The GLM Procedure Number of observations 294 The SAS System The GLM Procedure Dependent Variable: ave_fare Sum of Source DF Squares Mean Square F Value Pr > F Model 1 23.11204251 23.11204251 154.29 <.0001 Error 292 43.74183177 0.14980079 Corrected Total 293 66.85387428 R-Square Coeff Var Root MSE ave_fare Mean 0.345710 29.60741 0.387041 1.307244 Source DF Type I SS Mean Square F Value Pr > F distance 1 23.11204251 23.11204251 154.29 <.0001 Source DF Type III SS Mean Square F Value Pr > F distance 1 23.11204251 23.11204251 154.29 <.0001 Standard Parameter Estimate Error t Value Pr > |t| Intercept 0.7134128822 0.05286902 13.49 <.0001 distance 0.0993746265 0.00800043 12.42 <.0001 The SAS System -------------------------------- region1=MW -------------------------------- The GLM Procedure Number of observations 23 The SAS System -------------------------------- region1=MW -------------------------------- The GLM Procedure Dependent Variable: ave_fare Sum of Source DF Squares Mean Square F Value Pr > F Model 1 1.38950026 1.38950026 3.40 0.0793 Error 21 8.57886751 0.40851750 Corrected Total 22 9.96836776 R-Square Coeff Var Root MSE ave_fare Mean 0.139391 38.06358 0.639154 1.679174 Source DF Type I SS Mean Square F Value Pr > F distance 1 1.38950026 1.38950026 3.40 0.0793 Source DF Type III SS Mean Square F Value Pr > F distance 1 1.38950026 1.38950026 3.40 0.0793 Standard Parameter Estimate Error t Value Pr > |t| Intercept 1.011193032 0.38593445 2.62 0.0160 distance 0.164175681 0.08901944 1.84 0.0793 The SAS System -------------------------------- region1=NE -------------------------------- The GLM Procedure Number of observations 9 The SAS System -------------------------------- region1=NE -------------------------------- The GLM Procedure Dependent Variable: ave_fare Sum of Source DF Squares Mean Square F Value Pr > F Model 1 1.18589028 1.18589028 6.06 0.0434 Error 7 1.37001320 0.19571617 Corrected Total 8 2.55590348 R-Square Coeff Var Root MSE ave_fare Mean 0.463981 32.63326 0.442398 1.355667 Source DF Type I SS Mean Square F Value Pr > F distance 1 1.18589028 1.18589028 6.06 0.0434 Source DF Type III SS Mean Square F Value Pr > F distance 1 1.18589028 1.18589028 6.06 0.0434 Standard Parameter Estimate Error t Value Pr > |t| Intercept 0.3222997452 0.44495044 0.72 0.4923 distance 0.3686207805 0.14975141 2.46 0.0434 The SAS System -------------------------------- region1=S --------------------------------- The GLM Procedure Number of observations 135 The SAS System -------------------------------- region1=S --------------------------------- The GLM Procedure Dependent Variable: ave_fare Sum of Source DF Squares Mean Square F Value Pr > F Model 1 15.05311632 15.05311632 139.42 <.0001 Error 133 14.36029923 0.10797217 Corrected Total 134 29.41341554 R-Square Coeff Var Root MSE ave_fare Mean 0.511777 23.13358 0.328591 1.420408 Source DF Type I SS Mean Square F Value Pr > F distance 1 15.05311632 15.05311632 139.42 <.0001 Source DF Type III SS Mean Square F Value Pr > F distance 1 15.05311632 15.05311632 139.42 <.0001 Standard Parameter Estimate Error t Value Pr > |t| Intercept 0.6826820146 0.06858198 9.95 <.0001 distance 0.1102827334 0.00934007 11.81 <.0001 The SAS System -------------------------------- region1=W --------------------------------- The GLM Procedure Number of observations 127 The SAS System -------------------------------- region1=W --------------------------------- The GLM Procedure Dependent Variable: ave_fare Sum of Source DF Squares Mean Square F Value Pr > F Model 1 9.43780081 9.43780081 199.62 <.0001 Error 125 5.90976825 0.04727815 Corrected Total 126 15.34756906 R-Square Coeff Var Root MSE ave_fare Mean 0.614938 19.48063 0.217435 1.116162 Source DF Type I SS Mean Square F Value Pr > F distance 1 9.43780081 9.43780081 199.62 <.0001 Source DF Type III SS Mean Square F Value Pr > F distance 1 9.43780081 9.43780081 199.62 <.0001 Standard Parameter Estimate Error t Value Pr > |t| Intercept 0.4855826052 0.04862281 9.99 <.0001 distance 0.1089617388 0.00771203 14.13 <.0001