Optimized Removal of Hydroquinone and Resorcinol by Activated Carbon Based on Shea Residue (Vitellaria paradoxa): Thermodynamics, Adsorption Mechanism, Nonlinear Kinetics, and Isotherms

Table 4

Error functions and their equations.

Error function	Abbreviation	Formula	References
Residual root mean square error	RMSE		[42]
Average ralative error	ARE		[43]
Sum of absolute errors	EABS		[42]
Hybrid fractional error function	HYBRID		[38]
Nonlinear chi-square test	χ^2		[44]
Coefficient of determination	R^2		[43]