Toward Machine Wald

Houman Owhadi () and Clint Scovel ()
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Houman Owhadi: California Institute of Technology, Computing and Mathematical Sciences
Clint Scovel: California Institute of Technology, Computing and Mathematical Sciences

Chapter 6 in Handbook of Uncertainty Quantification, 2017, pp 157-191 from Springer

Abstract: Abstract The past century has seen a steady increase in the need of estimating and predicting complex systems and making (possibly critical) decisions with limited information. Although computers have made possible the numerical evaluation of sophisticated statistical models, these models are still designed by humans because there is currently no known recipe or algorithm for dividing the design of a statistical model into a sequence of arithmetic operations. Indeed enabling computers to think as humans, especially when faced with uncertainty, is challenging in several major ways: (1) Finding optimal statistical models remains to be formulated as a well-posed problem when information on the system of interest is incomplete and comes in the form of a complex combination of sample data, partial knowledge of constitutive relations and a limited description of the distribution of input random variables. (2) The space of admissible scenarios along with the space of relevant information, assumptions, and/or beliefs, tends to be infinite dimensional, whereas calculus on a computer is necessarily discrete and finite. With this purpose, this paper explores the foundations of a rigorous framework for the scientific computation of optimal statistical estimators/models and reviews their connections with decision theory, machine learning, Bayesian inference, stochastic optimization, robust optimization, optimal uncertainty quantification, and information-based complexity.

Keywords: Abraham Wald; Decision theory; Machine learning; Uncertainty quantification; Game theory (search for similar items in EconPapers)
Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-319-12385-1_3

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DOI: 10.1007/978-3-319-12385-1_3

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