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Rethinking Mean Square Error: Why Information is a Superior Assessment of Estimators

Gardado en:
Publicado en:arXiv.org (Dec 11, 2024), p. n/a
Autor Principal: Vos, Paul
Publicado:
Cornell University Library, arXiv.org
Materias:
Statistical methods
Maximum likelihood estimation
Error analysis
Fisher information
Parameter estimation
Statistical analysis
Statistical inference
Acceso en liña:Citation/Abstract
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Resumo:James-Stein (JS) estimators have been described as showing the inadequacy of maximum likelihood estimation when assessed using mean square error (MSE). We claim the problem is not with maximum likelihood (ML) but with MSE. When MSE is replaced with a measure \(\Lambda\) of the information utilized by a statistic, likelihood based methods are superior. The information measure \(\Lambda\) describes not just point estimators but extends to Fisher's view of estimation so that we not only reconsider how estimators are assessed but also how we define an estimator. Fisher information and his views on the role of parameters, interpretation of probability, and logic of statistical inference fit well with \(\Lambda\) as measure of information.
ISSN:2331-8422
Fonte:Engineering Database