NDLI: Isolating modeling effects in offender risk assessment

Content Provider	Springer Nature Link
Author	Hamilton, Zachary Neuilly, Melanie Angela Lee, Stephen Barski, Robert
Copyright Year	2014
Abstract	Recent evolutions in actuarial research have revealed the potential increased utility of machine learning and data-mining strategies to develop statistical models such as classification/decision-tree analysis and neural networks, which are said to mimic the decision-making of practitioners. The current article compares such actuarial modeling methods with a traditional logistic regression risk-assessment development approach.Utilizing a large purposive sample of Washington State offenders (N = 297,600), the current study examines and compares the predictive validity of the currently used Washington State Static Risk Assessment (SRA) instrument to classification tree analysis/random forest and neural network models.Overall findings varied, being dependent on the outcome of interest, with the best model for each method resulting in AUCs ranging from 0.732 to 0.762. Findings reveal some predictive performance improvements with advanced machine-learning methodologies, yet the logistic regression models demonstrate comparable predictive performance.The study concluded that while data-mining techniques hold potential for improvements over traditional methods, regression-based models demonstrate comparable, and often improved, prediction performance with noted parsimony and greater interpretability.
Starting Page	299
Ending Page	318
Page Count	20
File Format	PDF
ISSN	15733750
Journal	Journal of Experimental Criminology
Volume Number	11
Issue Number	2
e-ISSN	15728315
Language	English
Publisher	Springer Netherlands
Publisher Date	2014-11-13
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Random forest Neural network Recidivism Risk assessment Criminology & Criminal Justice Political Science Social Sciences
Content Type	Text
Resource Type	Article
Subject	Law

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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