王梦晗,刘纪平,王勇,罗安,徐胜华

• 1:山东农业大学
• 2:中国测绘科学研究院

摘要(Abstract)：

针对传统地理加权回归方法无法解决时空非平稳性的问题,该文提出了一种路网距离约束的时空地理加权回归方法。引入时间特性,进一步把握了不同因子在时空维度影响的分异性;以路网距离度量约束,提高模型解释力。以北京市城6区1980—2015年的1 632个住宅小区特征价格数据为例,通过与直线距离约束的常规地理加权回归方法等进行比较,采用各模型的AIC与拟合优度等指标对模型置信水平高低进行评价。实验结果表明,路网距离约束的地理加权回归模型不仅能够提高模型的拟合精度,还能更好地揭示房价在时间与空间方面的变化规律。

关键词(KeyWords)： GTWR模型;路网距离;时空非平稳性;北京房价

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 王梦晗,刘纪平,王勇,罗安,徐胜华

DOI: 10.16251/j.cnki.1009-2307.2018.04.022

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