Table 2.

Comparison of the accuracy of the proposed GPR-Exponential model with the reported ML models from the literature (Features = 41) to predict the energy density of LMBs.

Model	Group	R 2	MRE	MAE	Ref.
Linear Regression	Total data	0.6662	0.2846	11.7700	9
Random Forest	Total data	0.8636	0.4500	9.3171	9
XGBoost	Total data	0.9715	0.0704	4.2800	9
GPR-Exponential	Total data	0.9976	0.0072	0.9561	This work