Chicago Street Crime Data
This dataset is a record of street crimes
reported in the period 25 April to 8 May 2002,
in an area of Chicago (Illinois, USA)
close to the University of Chicago.
The original street crime map was published in the
Chicago Weekly News in 2002.
The data give the spatial location of each crime,
and the type of crime. The type labels are interpreted as follows:
cartheft motor vehicle theft
damage criminal damage
trespass criminal trespass
All crimes occurred on or near a street. The data give the
coordinates of all streets in the survey area, and their connectivity.
chicago is an object of class
representing a point pattern on a linear network.
lpp for further information on the format.
These data were published and analysed in Ang, Baddeley and Nair (2012).
Object of class
Chicago Weekly News, 2002. Manually digitised by Adrian Baddeley.
Ang, Q.W. (2010) Statistical methodology for events on a network. Master's thesis, School of Mathematics and Statistics, University of Western Australia. Ang, Q.W., Baddeley, A. and Nair, G. (2012) Geometrically corrected second-order analysis of events on a linear network, with applications to ecology and criminology. Scandinavian Journal of Statistics 39, 591--617.
Chicago Weekly News website:
data(chicago) plot(chicago) plot(as.linnet(chicago), main="Chicago Street Crimes",col="green") plot(as.ppp(chicago), add=TRUE, col="red", chars=c(16,2,22,17,24,15,6))