Table 4 R and RMSE values before and after adjustment for calibration.

From: Simulation study of a practical approach to enhance cadmium removal via biological treatment by controlling the concentration of MLSS

Month

Actual value

mg/L

for Cd

Default value

mg/L

for Cd

Predict value

mg/L

for Cd

R before calibration

R after calibration

Calibration limits for R

Ideal fit

RMSE before calibration

RMSE after calibration

Calibration limits for RMSE

Ideal fit

March

0.35

0.15

0.34

0.2

0.81

0.8–1

1

0.054

0.0001

 ≤ 1.5

0

April

0.36

0.16

0.35

May

0.37

0.17

0.36

June

0.36

0.16

0.35

July

0.36

0.16

0.35

August

0.36

0.16

0.36

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