Early Warning System Geoarchive Codebook

This Codebook is for the City of Chicago. The Street Gang Violence project team identified areas at high risk of violent street gang crime. It compiles the vast amounts of info. pertaining to, or possibly influencing street gang crime within Chicago. A (1) contains address-based data; (2) contains both law enforce. & community info.; & (3) is accessible at a neighborhood level. Each file description contains info. about the file names, contents, file type, unit of measurement, area, dates the data cover, the original data source & format, some key def. of the data, the file structure, & names & numbers of contact people.