Research on Food Security Risk Assessment and Early Warning in China Based on BP Neural Network Model

Table 9

Fitting effect.

Regression metrics
	EV	MAE	MSE
Bayesian Ridge	9.893355e − 01	0.021228	0.000631	0.989335
Linear Regression	9.970487e − 01	0.009273	0.000175	0.997049
SVR	9.034646e − 01	0.066365	0.005715	0.903421
GBR	9.999035e − 01	0.001555	0.000006	0.996903