Model No.
Description of Model
Evaluation Statistics

Ra2

AICc

BIC

BOD_eqn1 BOD5 = 93.1452e - 01+12.6097e - 03 * [COD][NH3 - N] + 65.7477e - 01* TP 0.922 135.80 108.06
BOD_eqn2 BOD5 =12.5032e00 +14.5457e - 03 * [COD][NH3 - N] 0.921 134.71 106.38
BOD_eqn3 BOD5 = -93.9783e - 01+12.5041e - 03 * [COD][NH3 - N] + 61.9133e - 01* TP + 26.3608e - 01* PH 0.920 138.51 111.11
BOD_eqn4 BOD5 =18.4417e00 +14.1608e - 03 * [COD][NH3 - N] - 65.6279e - 03 * [DO][COD] 0.920 136.69 108.95
BOD_eqn5 BOD5 =14.1712e00 +14.6332e - 03 * [COD][NH3 - N] -12.361e - 02 * [DO][NH - N] 0.920 136.71 108.96
BOD_eqn6 BOD5 = -12.6157e00 +14.2552e - 03 * [COD][NH3 - N] + 35.0377e - 01* PH 0.919 136.98 109.23
BOD_eqn7 BOD5 = -16.8157e00 +14.2863e - 03 * [COD][NH3 - N] -14.4308e - 02 * [DO][NH3 - N] + 43.6124e - 01* PH 0.918 138.96 111.56
BOD_eqn8 BOD5 = -72.9307e - 01 - 66.8275e - 03 * [DO][COD] +13.8549e - 03 * [COD][NH3 - N] + 36.0482e - 01* PH 0.918 139.16 111.76
BOD_eqn9 BOD5 =11.4174e00 +14.6564e - 03 * [COD][NH3 - N] + 85.1954e - 02 * [DO][TP] 0.918 137.34 109.59
BOD_eqn10 BOD5 =18.2255e00 - 92.1819e - 03 * [DO][NH3 - N] - 49.4919e - 03 * [DO][COD] +14.3207e - 03 * [COD][NH3 - N] 0.917 139.30 111.90
All measurements are in mg/l except pH as integer values.
Table 1: Derived models and evaluation statistics of each model.
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