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Table 4 Comparison of Calibration Statistics for the Revised and Original West Pit Models <br /> Steady State, Non-Pumping Simulation <br /> Calibration Statistic Revised Model Original Model* <br /> Residual Mean (ft) -0.62 -1.54 <br /> Absolute Residual Mean (ft) 1.67 2.28 <br /> Residual Std. Deviation (ft) 1.96 2.87 <br /> Sum of Squares (ft2) 118.4 297.9 <br /> RMS Error(ft) 2.06 3.26 <br /> Min. Residual (ft) -5.58 -9.48 <br /> Max. Residual (ft) 3.49 3.37 <br /> Number of Observations 28 28 <br /> Range in Observations (ft) 66.5 66.4 <br /> Scaled Residual Std. Deviation 0.029 0.043 <br /> Scaled Absolute Residual Mean 0.025 0.034 <br /> Scaled RMS Error 0.031 0.049 <br /> Scaled Residual Mean -0.009 -0.023 <br /> Transient, Pumping Simulation <br /> Calibration Statistic Revised Model Original Model* <br /> Residual Mean (ft) -0.59 -2.07 <br /> Absolute Residual Mean (ft) 2.66 2.58 <br /> Residual Std. Deviation (ft) 1.96 3.00 <br /> Sum of Squares (ft2) 179.0 265.9 <br /> RMS Error(ft) 2.73 3.65 <br /> Min. Residual (ft) -6.40 -8.78 <br /> Max. Residual (ft) 5.37 3.21 <br /> Number of Observations 24 20 <br /> Range in Observations (ft) 68.8 68.7 <br /> Scaled Residual Std. Deviation 0.039 0.044 <br /> Scaled Absolute Residual Mean 0.029 0.038 <br /> Scaled RMS Error 0.040 0.053 <br /> Scaled Residual Mean -0.009 -0.030 <br /> *-as reported in Engineering Analytics 2019 report <br /> ft-feet <br /> ft2-feet2 <br /> Revisions to Modeling Hydraulic Controls, West Pit Engineering Analytics, Inc. <br /> San Luis Project, May 2023 <br />