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Residuals-based distributionally robust optimization with covariate information

Journal Article · · Mathematical Programming
 [1];  [2];  [3]
  1. Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
  2. The Ohio State Univ., Columbus, OH (United States)
  3. Univ. of Wisconsin, Madison, WI (United States)
We consider data-driven approaches that integrate a machine learning prediction model within distributionally robust optimization (DRO) given limited joint observations of uncertain parameters and covariates. Our framework is flexible in the sense that it can accommodate a variety of regression setups and DRO ambiguity sets. We investigate asymptotic and finite sample properties of solutions obtained using Wasserstein, sample robust optimization, and phi-divergence-based ambiguity sets within our DRO formulations, and explore cross-validation approaches for sizing these ambiguity sets. Through numerical experiments, we validate our theoretical results, study the effectiveness of our approaches for sizing ambiguity sets, and illustrate the benefits of our DRO formulations in the limited data regime even when the prediction model is misspecified.
Research Organization:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
Sponsoring Organization:
USDOE Laboratory Directed Research and Development (LDRD) Program; USDOE Office of Science (SC), Advanced Scientific Computing Research (ASCR)
Grant/Contract Number:
89233218CNA000001
OSTI ID:
2426805
Alternate ID(s):
OSTI ID: 2423773
Report Number(s):
LA-UR--22-24176
Journal Information:
Mathematical Programming, Journal Name: Mathematical Programming Journal Issue: 1-2 Vol. 207; ISSN 0025-5610
Publisher:
SpringerCopyright Statement
Country of Publication:
United States
Language:
English

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