【摘要】 采用趋势图、双向流量图、饼图、颜色分级图和地图显示等多种数据可视化方法对北京市的主要街道、区域及路口等不同空间尺度的交通流量数据进行分析 ,获取其时空分布规律 ,加深对交通流量数据的理解 ,有助于进行交通时空数据挖掘的研究 ,为有关部门提供科学管理和决策支持工具更多还原

【Abstract】 Several data visualization methods, such as trend, bi-directional trend, pie chart, color grading and map, are used to analyze Beijing traffic flow data from different spatial scales such as intersection, main artery and region to get the spatial and temporal distributed pattern. These methods are very helpful to comprehend the data more fully for spatial and temporal traffic data mining, also useful for traffic management departments to manage and decision-making scientifically.更多还原