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Parameter Redundancy and Identifiability

Parameter Redundancy and Identifiability

Paperback

Series: Chapman & Hall/CRC Interdisciplinary Statistics

Environmental StudiesProbability & Statistics

ISBN10: 0367493217
ISBN13: 9780367493219
Publisher: CRC Press
Published: Dec 13 2021
Pages: 272
Weight: 0.85
Height: 0.58 Width: 6.14 Depth: 9.21
Language: English

Statistical and mathematical models are defined by parameters that describe different characteristics of those models. Ideally it would be possible to find parameter estimates for every parameter in that model, but, in some cases, this is not possible. For example, two parameters that only ever appear in the model as a product could not be estimated individually; only the product can be estimated. Such a model is said to be parameter redundant, or the parameters are described as non-identifiable. This book explains why parameter redundancy and non-identifiability is a problem and the different methods that can be used for detection, including in a Bayesian context.

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Cole, Diana

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Probability & Statistics