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标题 |
考虑随机波动影响的区域货物周转量预测(31 卷) |
英文标题 |
Forecast Regional Freight Ton-kilometers Considering Influence of Stochastic Fluctuation |
摘要 |
基于区域货物周转量由发展趋势值与随机波动值两部分组成。首先建立灰色GM(1,1)模型预测区域货物周转量发展趋势值;再以样本数据与预测发展趋势值两者之差计算随机波动值,并以随机波动值与发展趋势值的比率作为划分随机波动状态的指标;利用马尔可夫链确定随机波动值状态转 |
作者 |
新闻作者:刘颖恒,方晓平,辛黎光,张晋莉 |
关键字 |