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2006年03 期
| 标题 |
| 应用改进重力模型法预测铁路行包OD运量的研究(28 卷) |
| 英文标题 |
| Study on Applying Improved Gravity Model to Forecast the OD Freight Volume of Railway Luggage and Parcel |
| 摘要 |
| 对铁路行包OD运量的预测提出一种基于重力模型的改进方法。针对不完整的OD调查数据，运用综合阻抗的概念，首先在样本值的范围内进行模型标定，然后扩大样本值，运用标定好的重力模型重新预测并调整，最后得到完整的OD数据。实证结果表明，采用改进的重力模型比传统的重力模型 |
| 作者 |
| 新闻作者:杨天宝，刘 军 |
| 关键字 |
