Data for: Social disorganization and urban homicide mortality: A spatial-temp...

Data and code provided for maps and analyses conducted in "Social disorganization and urban homicide mortality."本数据集配套提供了用于《社会失范与城市凶杀死亡率》（Social disorganization and urban homicide mortality）一文研究中地图绘制与分析工作的相关数据及代码。