基于风险地形建模的毒品犯罪风险评估和警务预测
张宁, 王大为
Drug-related crime risk assessment and predictive policing based on risk terrain modeling
Ning ZHANG, Dawei WANG
图2
2015年N市毒品犯罪的K函数及L函数
Fig.2
K function and L function of drug crimes in N City, 2015