RAND > Statistics Group > Bios > Greg Ridgeway

Return to Statistics Group Homepage

Staff Bios

Greg Ridgeway Send Email

Greg Ridgeway

Senior Statistician; Associate Director of Safety & Justice Research

Santa Monica Office

Education

Ph.D., Statistics
University of Washington Seattle
1999

Fields

Modeling massive datasets and data mining; non-parametric function estimation for prediction; boosting and optimization; propensity score analysis of observational data

Policy Areas

Public safety and justice; policing; racial profiling; drug policy and drug treatment evaluation; firearm violence prevention and illegal firearms markets

Recent Projects

  • Racial profiling studies in Oakland, California, Cincinnati, Ohio, and New York City
  • Causal effects of community-based drug treatment for youths
  • Strategic disruption of illegal firearms markets in Los Angeles
  • Drug prosecution and the effect of Proposition 36
  • Reducing firearm violence in East Los Angeles

Selected Publications

The impact of gang formation on local patterns and levels of crime — 2007

Journal of Research in Crime and Delinquency 44(2):208-23
G. Tita and G. Ridgeway

Testing for racial profiling in traffic stops from behind a veil of darkness — 2006

Journal of the American Statistical Association 101(475):878-887
J. Grogger and G. Ridgeway

Flexible distributions for triple-goal estimates in two-stage hierarchical models — 2006

Computational Statistics and Data Analysis 50(11):3243-3262
S.M. Paddock, G. Ridgeway, R. Lin, T.A. Louis

Police-community relations in Cincinnati: year two evaluation report — 2006

G. Ridgeway, T. Schell, K.J. Riley, S. Turner, T.L. Dixon

The criminal purchase of firearm ammunition in Los Angeles, California — 2006

Injury Prevention 12:308-311
G. Tita, A. Braga, G. Ridgeway, G. Pierce

Assessing the effect of race bias in post-traffic stop outcomes using propensity scores — 2006

Journal of Quantitative Criminology 22(1):1-29
G. Ridgeway

A Bayesian latent variable model for institutional ranking — 2005

Higher Education in Europe 30(2):147-165
C. Guarino, G. Ridgeway, M. Chun, and R. Buddin

Propensity Score Estimation with Boosted Regression for Evaluating Adolescent Substance Abuse Treatment — 2004

Psychological Methods 9(4):403–425
Dan McCaffrey, G. Ridgeway, Andrew Morral

Effectiveness of Community-Based Treatment for Substance Abusing Adolescents: 12-month Outcomes From A Case-Control Evaluation of a Phoenix Academy — 2004

Psychology of Addictive Behaviors 18(3):257-268
Andrew R. Morral, Daniel F. McCaffrey, Greg Ridgeway

A sequential Monte Carlo method for Bayesian analysis of massive datasets — 2003

Data Mining and Knowledge Discovery 7(3):301-319
G. Ridgeway and D. Madigan

Reducing Gun Violence in East Los Angeles: Results from an Intervention — 2003

George Tita, K. Jack Riley, Greg Ridgeway, Clifford Grammich, Allan F. Abrahamse, and Peter Greenwood
RAND Home Stay Informed Search RAND Publications View Cart