Optimizing biochar-based geopolymer composites for enhanced water resistance in asphalt mixes: an experimental, microstructural, and multi-objective analysis

Journal of Engineering and Applied Science

Table 6 Response fit statistics parameters and verification summary

Responses	Fit statistics parameters
Responses	SD	Mean	C.V	R²	Adj. R²	Pred. R²	A.P
BSD	0.002	2.43	0.088	0.982	0.969	0.904	26.162
AV	0.110	4.29	2.56	0.982	0.969	0.901	28.854
VFA	2.08	78.17	2.66	0.974	0.955	0.905	24.047
VMA	0.096	16.49	0.583	0.987	0.978	0.911	32.503
Stability	0.102	14.41	0.706	0.983	0.970	0.904	29.411
Flow	0.034	3.00	1.15	0.950	0.940	0.906	28.894
ITSR	1.98	79.36	2.50	0.985	0.974	0.910	24.834
Comment	The models are well-suited for exploring the design space