The e-value: A Fully Bayesian Significance Measure for Precise Statistical Hypotheses and its Research Program

DOI10.1007/S40863-020-00171-7arXiv2001.10577WikidataQ121767300 ScholiaQ121767300MaRDI QIDQ6333671

Publication date: 28 January 2020

Abstract: This article gives a survey of the e-value, a statistical significance measure a.k.a. the evidence rendered by observational data, X, in support of a statistical hypothesis, H, or, the other way around, the epistemic value of H given X. The

e

-value and the accompanying FBST, the Full Bayesian Significance Test, constitute the core of a research program that was started at IME-USP, is being developed by over 20 researchers worldwide, and has, so far, been referenced by over 200 publications. The e-value and the FBST comply with the best principles of Bayesian inference, including the likelihood principle, complete invariance, asymptotic consistency, etc. Furthermore, they exhibit powerful logic or algebraic properties in situations where one needs to compare or compose distinct hypotheses that can be formulated either in the same or in different statistical models. Moreover, they effortlessly accommodate the case of sharp or precise hypotheses, a situation where alternative methods often require ad hoc and convoluted procedures. Finally, the FBST has outstanding robustness and reliability characteristics, outperforming traditional tests of hypotheses in many practical applications of statistical modeling and operations research.

Mathematics Subject Classification ID

Parametric hypothesis testing (62F03) Bayesian inference (62F15) Foundations and philosophical topics in statistics (62A01)

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