Popis: |
Citing the facts concerning the waste discharge reality in Liaoning province, this paper analyzes the characteristics of time variation of the “three wastes”, namely, the industrial wastewater, waste gas and solid wastes, and the factors affecting the discharge of the “three wastes” in the province, and makes predictions of the three wastes by setting up various prediction models, including Grey Forecast Model GM (1, 1), GM (1, n) Model, Exponential Smoothing Model, Multivariate Linear Regression Model, and Time Series Model/ARMA model, the results and errors of which are compared, before determining the final predictions and drawing the conclusion. |