基于复杂网络和随机森林分类的城市间旅行模式识别和网络结构特征的研究
1College of Geography and Environmental Science, Northwest Normal University, Lanzhou, 730070, China.
Scientific reports
|October 9, 2025
概括
一个新的复杂网络理论 (CNT) 和随机森林分类 (RFC) 模型准确地识别了各种城市间旅行模式. 这个模型揭示了时空旅行模式的变化,有助于交通规划.
科学领域:
- 运输科学与系统 运输科学与系统
- 网络分析 网络分析
- 数据挖掘和机器学习
背景情况:
- 在高密度地区识别多种多样的城际旅行模式是具有挑战性的.
- 了解城市间旅行网络的时空变化对于有效的交通规划至关重要.
- 现有的方法在模式识别和网络分析方面可能缺乏精度.
研究的目的:
- 开发和验证一种新的管理模型 (CNT-RFC) 来识别城市间旅行模式.
- 分析不同时期的城市间旅行的网络结构特征.
- 揭示城市间旅行模式的时空异质性.
主要方法:
- 复杂网络理论 (CNT) 与随机森林分类 (RFC) 算法的集成.
- 利用公开可用的移民和运输数据 (2021年1月至2023年12月).
- 提取网络特征 (程度分布,中心性,社区检测) 和应用RFC用于模式识别.
主要成果:
- 在休旅行识别方面,CNT-RFC模型实现了高精度 (0.947),精度 (0.928) 和F1得分 (0.947),超过了先进模型.
- 网络分析显示,假期期间存在重大结构性变化 (例如,小世界系数下降,旅行距离增加).
- 灵敏度分析证实了疫情期间模型的稳定性,突出了对运输网络的不对称影响.
结论:
- CNT-RFC模型提供了一个精确而强大的解决方案,用于识别城市间旅行模式和分析网络动态.
- 结果提供了对时空旅行模式异质性的关键见解,这对于区域交通规划至关重要.
- 该研究支持基于证据的政策制定,以解决拥堵问题并优化城际交通运输效率.
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