This Map show Crime rate in different township of Massachusetts

original crime data is from FBI 2016 download from here

Geo Shape file are from here

The download Shape file did not contain coordination. Therefore, it is first converted to geojson by ogr2ogr

Geojson then reprocessed by mapshaper to Topojson.

Topojson file is loaded to Github gist

Crime data csv is loaded to gist

circle size is corresponding to the crime rate