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首先论述了指数平滑法的预测模型,以及平滑系数选取的原则。在此基础上,根据原始时间序列的特点,运用二次指数平滑法对重庆市2013-2016年货运周转量进行了预测。
Firstly, the prediction model of exponential smoothing method and the principle of smoothing coefficient selection are discussed. On this basis, according to the characteristics of the original time series, using the exponential smoothing method to predict the freight turnover in Chongqing in 2013-2016.