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- 2018
Knox时空交互检验空间阈值确定方法
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Abstract:
Knox检验是一种常用的城市犯罪时空交互模式分析方法，但其阈值需要人为指定，这种主观的阈值确定方法存在一定随意性，因此需探索更为合理的阈值确定方法。提出利用点对平均最邻近距离作为Knox检验空间阈值的确定方法，并通过城市入室盗窃、盗窃电动车和扒窃3类事件进行实验验证。结果表明，与常见的几种阈值确定方法相比，所提方法检测出了最大数量的显著性交互事件对数，能更加充分地了解事件的真实时空交互模式，为基于Knox检验的事件时空聚集模式分析提供了一种有效的空间阈值确定手段
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