Evaluation of Provincial Economic Resilience in China Based on the TOPSIS-XGBoost-SHAP Model

Table 4

Predictive evaluation metrics results of the BO-XGBoost algorithm under 5-fold cross-validation.

Evaluation indicators	Train R^2	Test R^2	Train RMSE	Test RMSE
1	0.9999	0.9678	0.0008	0.1842
2	0.9999	0.9664	0.0008	0.1411
3	0.9998	0.9489	0.0009	0.0210
4	0.9999	0.9175	0.0009	0.2661
5	0.9999	0.9671	0.0008	0.019
Average value	0.9999	0.9535	0.0008	0.0198