By Peter Congdon

ISBN-10: 0470092378

ISBN-13: 9780470092378

Utilizing Bayesian easy methods to study facts has turn into universal in utilized statistics, social sciences, and drugs, besides different disciplines requiring shut paintings with a various set of information. during this undergraduate textual content, Congdon (Queen Mary collage, U. of London) takes a pragmatic and available process, targeting statistical computing and utilized info as he covers the foundations of Bayesian inference, version comparability and selection, regression for metric results, versions for binary and count number results, random influence and latent variable types for multi-category results, ordinal regression, discrete spatial info, time sequence types for discrete variables, hierarchical and panel facts types and missing-data types.

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Guallar, E. and Coresh, J. (2003) Transition models for change-point estimation in logistic regression. Statistics in Medicine, 22, 1141–1162. Rannala, B. (2002) Identiﬁability of parameters in MCMC Bayesian inference of phylogeny. Systematic Biology, 51, 754–760. Robert, C. (1996) Mixtures of distributions: inference and estimation. , Richardson, S. and Spiegelhalter, D. (eds). Chapman and Hall: London, 441–464. Roberts, C. (1996) Markov chain concepts related to sampling algorithms. , Richardson, S.

Instead of approximating the marginal likelihood of each model the goal is to estimate the Bayes factor as a ratio of normalizing constants. Denote the alternative models as m ¼ 0 and m ¼ 1. From the relation PðjYÞ ¼ PðY; Þ=PðYÞ where PðY; Þ ¼ PðYjÞP(), one may obtain for a metric variable s PðjY; sÞ ¼ PðY; jsÞ=PðYjsÞ ð2:5Þ In particular, deﬁne s as a path parameter s 2 ½0; 1 linking the two models. For example, suppose the alternative models were Model 0 : Model 1 : yi ¼ þ xi 1 þ "i yi ¼ þ wi 2 þ "i ð2:6Þ ð2:7Þ The models m ¼ 0 and m ¼ 1 at s ¼ 0 and s ¼ 1 are linked by the models m ¼ s (s taking values between 0 and 1) deﬁned by Model s : yi ¼ þ ð1 À sÞxi 1 þ swi 2 þ "i ð2:8Þ Let ZðsÞ ¼ PðYjm ¼ sÞ, and in particular Zð1Þ ¼ PðYjm ¼ 1Þ and Zð0Þ ¼ PðYjm ¼ 0Þ.

Ji denote the level 1 units (observations) nested within each cluster. Then random effects may be deﬁned at both cluster and observation level. , 1997; Daniels and Gatsonis, 1999). 9 DATA AUGMENTATION Data augmentation via latent or auxiliary variables is a strategy used to convert the likelihood to a form (such as the normal linear regression) for which simple Gibbs sampling can be used. , 1999; van Dyk and Meng, 2001; van Dyk, 2002). It is used to simplify sampling in discrete mixture models (Chapter 5), and also forms the basis for missing-data models (Chapter 11).

### Bayesian Models for Categorical Data (Wiley Series in Probability and Statistics) by Peter Congdon

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