Andresen Martin A, Shen Jen-Li
1 Simon Fraser University, Burnaby, British Columbia, Canada.
Int J Offender Ther Comp Criminol. 2019 Jun;63(8):1446-1464. doi: 10.1177/0306624X19828586. Epub 2019 Feb 6.
A foot patrol program was implemented in Lower Lonsdale, British Columbia, in the summer of 2010 and continues today. As a part of assessing the foot patrol's effect on crime in the neighbourhood, the spatial similarity was examined by comparing the crime pattern before the foot patrol initiative (2007-2009) with the crime pattern during the foot patrol program (2010-2012). Considering these baseline and treatment data sets and a spatial point pattern test, the spatial similarity between two data sets is analyzed. In general, the continued presence of foot patrol appears to have created a concentration of crime in specific areas, rather than a diffusion effect. The areas that continued to experience increased crime during foot patrol presence were often in the catchment area, suggesting displacement does occur, or along the border between the catchment and primary patrol area.
2010年夏天，不列颠哥伦比亚省的下朗斯代尔实施了一项徒步巡逻计划，该计划一直持续至今。作为评估徒步巡逻对社区犯罪影响的一部分，通过比较徒步巡逻计划实施前（2007 - 2009年）和徒步巡逻计划期间（2010 - 2012年）的犯罪模式，对空间相似性进行了研究。考虑到这些基线数据集和处理数据集以及空间点模式测试，分析了两个数据集之间的空间相似性。总体而言，徒步巡逻的持续存在似乎在特定区域造成了犯罪集中，而非扩散效应。在徒步巡逻期间犯罪持续增加的区域通常在集水区，这表明确实发生了犯罪转移，或者在集水区与主要巡逻区域的边界沿线。
