An Improved Predictive Model for Determining the Permeability Coefficient of Artificial Clayey Soil Based on Double T₂ Cut-Offs

Table 6

The R², MAE, and RMSE values of the predictive equations for the double T₂ cut-offs.

Double T2 cut-offs	R^2	MAE	RMSE
T2cr	0.998	0.0476	0.0753
T2cf	0.998	0.0687	0.0835