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A Nonparametric Projection-Based Estimator for the Probability of Causation
Start Date: 10/23/2019Start Time: 2:30 PM
End Date: 10/23/2019End Time: 3:30 PM

Event Description
The department of Epidemiology and Biostatistics at Dornsife presents Maria Cuellar, PhD, assistant professor in the Criminology Department at the University of Pennsylvania.

Researchers often need to determine whether a specific exposure, or something else, caused an individual's outcome. To answer questions of causality in which the exposure and outcome have already been observed, researchers have suggested estimating the probability of causation (PC). PC is especially important in court, for example in class action lawsuits, and in public and health policy, for example in determining who has benefitted most from a program. However, the current estimation methods for PC make strong parametric assumptions, or are inefficient and do not easily yield inferential tools. In this talk, Cuellar will describe an influence-function-based nonparametric estimator for a projection of PC, which allows for simple interpretation and valid inference by making only weak structural assumptions. She will compare her proposed estimator to the current plug-in methods, both parametric and nonparametric, by simulation. Finally, she presents an application of the proposed estimator by using data from a randomized controlled trial in Western Kenya.

Cuellar received her PhD in the joint statistics and public policy program at Carnegie Mellon University, and she later completed a postdoctoral fellowship at Penn. She has a Master of Science in statistics and a Master of Philosophy in public policy, both from Carnegie Mellon, and a bachelor's degree in physics from Reed College. Maria’s research focuses on causal inference and data analysis in the law. She is also a researcher at the Center for Statistics and Applications in Forensic Evidence, where she studies how statistics can improve forensic practice. She recently won the Norman Breslow award, which is the top paper young investigator award from the Statistics in Epidemiology Section of the American Statistical Association.
Contact Information:
Name: Nancy Colon-Anderson
Email: nanderson@drexel.edu
Headshot of speaker
Nesbitt Hall, Room 132
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