BostonHomicide {strucchange}R Documentation

Youth Homicides in Boston

Description

Data about the number of youth homicides in Boston during the `Boston Gun Project'—a policing initiative aiming at lowering homicide victimization among young people in Boston.

Usage

data(BostonHomicide)

Format

A data frame containing 2 monthly time series and a factor coding seasonality.

homicides
time series. Number of youth homicides,
population
time series. Boston population (aged 25-44), linearly interpolated from annual data.
season
factor coding the month.

Details

The `Boston Gun Project' is a policing initiative aiming at lowering youth homicides in Boston. The project began in early 1995 and implemented the so-called `Operation Ceasefire' intervention which began in the late spring of 1996.

More information is available at:

http://www.ksg.harvard.edu/criminaljustice/research/bgp.htm

Source

Cooper et al. (2001), Figure 1 and Table I.

References

Cooper S.J., Piehl A.M., Braga A.A., Kennedy D.M. (2001), Testing for Structural Breaks in the Evaluation of Programs, Unpublished Paper, John F. Kennedy School of Government.

Kennedy D.M., Piehl A.M., Braga A.A. (1996), Youth Violence in Boston: Gun Markets, Serious Youth Offenders, and a Use-Reduction Strategy, Law and Contemporary Problems, 59, 147-183.

Examples

data(BostonHomicide)

fm <- glm(homicides ~ population + season, data = BostonHomicide,
          family = poisson)
anova(fm, test = "F")

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