| Aiming at the current status of domestic waste output in Hefei, the historical data was verified and compared by establishing time series (ARIMA), multiple linear regression (MLR), grey system GM(1,1) and back propagation neural network (BPNN) models. The results showed that the MAPE, MAE, RMSE, and NRMSE of ARIMA (0,1,2) model were 1.879%, 2.240, 2.781, and 0.021, respectively. The model had the highest accuracy and the best effect, and was the best for domestic waste output prediction in Hefei. The model was used to predict the domestic waste output in Hefei from 2021 to 2025, and the results were from 2.188 9 to 2.907 1 million tons. |
