Table 13. Performance comparison of ARIMA, LSTM, and hybrid models for recovery cases.

Model comparison summary
Metric	ARIMA	LSTM	Hybrid ARIMA-LSTM
MSE	3,974,437.15	8,280,420.05	3,973,296.51
RMSE	1,993.6	2,877.57	1,993.31
RRMSE	0.2377	0.3635	0.2376
NRMSE	0.0993	0.1394	0.0993
MAE	1,584.16	2,239.65	1,583.28
MAPE (%)	8.07%	11.35%	8.06%
R2	0.2092	–0.8905	0.21