采用时空重排扫描统计量的犯罪集聚可视分析

首先,基于时空重排扫描统计量方法,对福州市2014年案事件数据进行日尺度与小时尺度的时空重排扫描统计,得到不同尺度下的犯罪时空集聚区.然后,结合数据可视化技术,对分析结果进行多尺度、多视角的交互式可视化设计.结果表明:用户可以通过选择日期尺度,按月或按月日期段、周日期段查看犯罪热点空间分布;也可以通过选择小时尺度,按时段查看周日期或节假日犯罪热点的空间分布.

Visual Analysis of Crime Clusters Based on Space-Time Permutation Scan Statistic

Firstly, based on space-time permutation scan statistic method, this paper analyzes crime of Fuzhou City in 2014 in days and hours, the space-time crime clusters in different scales are obtained. Then, combine with the data visualization technology and propose interactive visualization design for the results of the analysis in multi-scale and multi perspective. The results show that the method above enables users to view crime hot space distribution by date scale in monthly, month-date segment or week-date segment and by hour scale in week-date segment or holiday segment.