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Next, wLSSVM optimized by LDWPSO forecasts each sequence separately. Finally, the final prediction result is obtained by adding all prediction results. For the purpose of verifying the effectiveness and superiority of the EEMD-LDWPSO-wLSSVM model, a total of 12 models were built to compare their performance in three regions of Guangdong, Hubei, and Shanghai respectively from three evaluating indicators MAPE, RMSE, and R2. All the predicted results showed that the model presented in this paper has the best forecasting performance among all the model combinat