This map shows the number of Crimes in the 76 precincts across New York in 2014 compared to the number of people living in each area. The data is published by 
NYPD weekly and 
BetaNYC extract and publish this data. The scroll bar below divide the data in types of Crime. The number of Complaints are compared by 
population per precinct.Techniques learned in Advanced GIS class. Thanks Professor 
Chris Whong.