快遞需求量組合預(yù)測(cè)模型構(gòu)建及實(shí)證研究
[Abstract]:With the world trade and domestic trade activities becoming more and more lively, express delivery plays an increasingly important role in social and economic activities, driving the development of other economic industries, so the government attaches great importance to it. The government has issued express industry guidance and planning to guide the steady development of China's express industry. Express demand forecast is the basis of express delivery industry planning. In view of this, this paper regards express demand forecast as research object, aiming at establishing suitable express demand forecasting model, which has certain practical value. According to the related documents of express delivery industry and the actual situation of our country, this paper analyzes the characteristics of express demand in China, the influencing factors of express demand and the forecasting steps of express demand. Considering the availability of data, this paper selects 8 indexes related to the demand of express delivery, such as the total retail volume of consumer goods in GDP, postal business volume, the number of Internet users and the volume of goods turnover, and constructs the prediction index system. The grey correlation degree between the demand for express delivery and the eight indexes is quantitatively analyzed by the grey correlation method, and the conclusion is drawn that the demand for express delivery in China has been most affected by the total import and export volume and the volume of postal business since 2006. In order to achieve the purpose of easy operation, high accuracy and strong applicability, the grey prediction model, the trend extrapolation model and the multivariate linear regression model in the time series model, the trend extrapolation method and the causality model are selected from the existing prediction methods. Combined with the principle of Shapley value allocation, the combined prediction model is established. Finally, take Sichuan express demand as the research object, collect the relevant independent variables statistical index of Sichuan province from 2006 to 2016, forecast and verify the Sichuan express demand. The result shows that the combined forecasting model is suitable for express delivery demand forecast. Accuracy is high, meet actual demand, but can only be used in the short and medium term forecast; Sichuan express demand will continue to grow in the next few years.
【學(xué)位授予單位】:西南交通大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2017
【分類號(hào)】:F224;F259.2
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