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The Curve Fitting Problem: A Bayesian Rejoinder

Published online by Cambridge University Press:  01 April 2022

Prasanta S. Bandyopadhyay
Affiliation:
Montana State University
Robert J. Boik*
Affiliation:
Montana State University
*
†Bandyopadhyay: Department of Philosophy, Montana State University, Bozeman, MT 59717; Boik: Department of Mathematical Sciences, Montana State University, Bozeman, MT 59717.

Abstract

In the curve fitting problem two conflicting desiderata, simplicity and goodness-of-fit pull in opposite directions. To solve this problem, two proposals, the first one based on Bayes's theorem criterion (BTC) and the second one advocated by Forster and Sober based on Akaike's Information Criterion (AIC) are discussed. We show that AIC, which is frequentist in spirit, is logically equivalent to BTC, provided that a suitable choice of priors is made. We evaluate the charges against Bayesianism and contend that AIC approach has shortcomings. We also discuss the relationship between Schwarz's Bayesian Information Criterion and BTC.

Information

Type
Probability and Statistical Inference
Copyright
Copyright © 1999 by the Philosophy of Science Association

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