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Biometrika 1987 74(4):809-816; doi:10.1093/biomet/74.4.809
© 1987 by Biometrika Trust
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Approximate Bayesian analysis of censored survival data

TREVOR J. SWEETING

Department of Mathematics, University of Surrey Guildford GU2 5XH, U.K.

The Bayesian analysis of data arising from a location-scale regression model, and which may include a number of right-censored observations, is considered. The posterior distributions of the suitably normalized precision parameter and regression coefficient vector are shown to be well approximated by X2 and multivariate t distributions respectively. The ideas are illustrated using some clinical survival data.

Key Words: Approximate inference • Bayesian analysis • Censored data • Location-scale regression model


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