Data-Rich Personalized Causal Inference
Name
shah-abhin-phd-eecs-2025-thesis.pdf
Description
Thesis PDF
Size
4.98 MB
Format
Adobe PDF
Checksum (MD5)
3f55b3bc8ad3c08159c93a1552744b0b
Author(s)
Shah, Abhin .
Advisor(s)
Shah, Devavrat
Wornell, Gregory W.
Date Issued
February 2025
Publisher
Massachusetts Institute of Technology
Abstract
There is a growing interest in individual-level causal questions to enable personalized decision-making. For example, what happens to a particular patient’s health if we prescribe a drug to them, or what happens to a particular consumer’s behavior if we recommend a product to them? Conducting large-scale randomized experiments to answer such questions is impractical—if not infeasible—due to cost, the level of personalization, or ethical concerns. Observational data offer a valuable alternative, but their lack of explicit randomization makes statistical analysis particularly challenging. In this thesis, we exploit the richness of modern observational data to develop methods for personalized causal inference. In the first part, we introduce a framework for causal inference using exponential family modeling. In particular, we reduce answering causal questions to learning exponential family from one sample. En route, we introduce a computationally tractable alternative to maximum likelihood estimation for learning exponential family. In the second part, we leverage ideas from doubly robust estimation to enable causal inference with black-box matrix completion under a latent factor model.
MIT Department
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
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