Explainable prediction of daily hospitalizations for cerebrovascular disease using stacked ensemble learning

Table 4 The improvement of model performance attributed to environmental features estimated by SHAP

	MAE	RMSE	MAPE	R²
Baseline + SHAP values of HAs features and calendar features	12.306	16.584	0.152	0.775
Final prediction	11.855	16.078	0.145	0.789
Improvement	3.665%	3.054%	4.306%	1.743%

ISSN: 1472-6947