摘要
交通流数据常见问题分为数据缺失、数据无效和数据时间点3类,针对这些问题,提出了一种交通流数据检验与修复方法。以北京市交通流数据为例,应用这一方法进行了分析与验证。结果表明该方法具有很好的实际应用效果。交通流数据质量检验可以保证从数据源所获得数据的正确性和完整性,为数据的管理和应用提供了可靠的数据基础。
There are three kinds of common problems in traffic flow data. data loss, data invalidity and data time problem. To solve these problems, this paper has proposed a method of examining and repairing traffic flow data. This method has been analyzed and proved with the traffic flow data in Beijing. The result indicates that this method has splendid ability of practleal application. Verifying quality of traffic flow data is to ensure the correctness and completeness of the data obtained from the data sources, providing reliable data for the data management and application.
出处
《交通与计算机》
2006年第6期65-67,共3页
Computer and Communications
关键词
交通流数据
交通流理论
数据检验
城市环路
traffic flow data
traffic flow theory
data verifying
city ring road