RPD -- Exercise 12.7 -- Watershed Flow Data (Box-Cox) The REG Procedure Model: MODEL1 Dependent Variable: peakrate Number of Observations Read 30 Number of Observations Used 30 Analysis of Variance Sum of Mean Source DF Squares Square F Value Pr > F Model 9 35263689 3918188 12.43 <.0001 Error 20 6304446 315222 Corrected Total 29 41568135 Root MSE 561.44663 R-Square 0.8483 Dependent Mean 1291.23333 Adj R-Sq 0.7801 Coeff Var 43.48142 Parameter Estimates Parameter Standard Variable DF Estimate Error t Value Pr > |t| Intercept 1 1471.33397 14472 0.10 0.9200 area 1 -191.88105 639.33037 -0.30 0.7672 areaimperv 1 -207.32006 353.35989 -0.59 0.5640 slope 1 -1184.17108 703.18358 -1.68 0.1077 flow 1 1651.91869 1001.75576 1.65 0.1148 absorbency 1 -530.92684 3376.31745 -0.16 0.8766 capacity 1 -156.45953 315.52824 -0.50 0.6254 infiltration 1 -176.24282 675.87658 -0.26 0.7969 rainfall 1 1564.24868 480.90293 3.25 0.0040 raintime 1 -1093.46045 420.44512 -2.60 0.0171 RPD -- Exercise 12.7 -- Watershed Flow Data (Box-Cox) LAMBDAS SSRES -1.00 22887853 -0.95 17320778 -0.90 13087761 -0.85 9870748 -0.80 7427669 -0.75 5574260 -0.70 4170251 -0.65 3108862 -0.60 2308811 -0.55 1708242 -0.50 1260103 -0.45 928624 -0.40 686648 -0.35 513586 -0.30 393876 -0.25 315801 -0.20 270592 -0.15 251753 -0.10 254547 -0.05 275603 0.00 312630 0.05 364199 0.10 429584 0.15 508649 0.20 601770 0.25 709789 0.30 833982 0.35 976061 0.40 1138183 0.45 1322981 0.50 1533604 0.55 1773785 0.60 2047912 0.65 2361130 0.70 2719452 0.75 3129903 0.80 3600683 0.85 4141369 0.90 4763144 0.95 5479077 1.00 6304446 CI_95LIM 306525.5 RPD -- Exercise 12.7 -- Watershed Flow Data (Box-Cox) The REG Procedure Model: MODEL1 Dependent Variable: transpeakrate Number of Observations Read 30 Number of Observations Used 30 Analysis of Variance Sum of Mean Source DF Squares Square F Value Pr > F Model 9 0.27581 0.03065 247.66 <.0001 Error 20 0.00247 0.00012374 Corrected Total 29 0.27828 Root MSE 0.01112 R-Square 0.9911 Dependent Mean 0.39561 Adj R-Sq 0.9871 Coeff Var 2.81182 Parameter Estimates Parameter Standard Variable DF Estimate Error t Value Pr > |t| Intercept 1 0.79871 0.28673 2.79 0.0114 area 1 -0.05234 0.01267 -4.13 0.0005 areaimperv 1 0.00313 0.00700 0.45 0.6601 slope 1 -0.04576 0.01393 -3.28 0.0037 flow 1 0.01718 0.01985 0.87 0.3969 absorbency 1 -0.08839 0.06689 -1.32 0.2013 capacity 1 0.02158 0.00625 3.45 0.0025 infiltration 1 -0.01036 0.01339 -0.77 0.4482 rainfall 1 -0.10154 0.00953 -10.66 <.0001 raintime 1 0.08884 0.00833 10.67 <.0001