Strategies for MCMC computation in quantitative genetics

Rasmus Waagepetersen, N. Ibánez, Daniel Sorensen

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Abstract

Given observations of a trait and a pedigree for a group of animals, the basic model in quantitative genetics is a linear mixed model with genetic random effects. The correlation matrix of the genetic random effects is determined by the pedigree and is typically very highdimensional but with a sparse inverse. Maximum likelihood inference and Bayesian inference for the linear mixed model are well-studied topics (Sorensen and Gianola, 2002). Regarding Bayesian inference, with appropriate choice of priors, the full conditional distributions are standard distributions and Gibbs sampling can be implemented relatively straightforwardly.
Original languageEnglish
Title of host publicationProceedings of the 8th World Congress on Genetics applied to Livestock Production
Number of pages6
PublisherSBMA, Sociedade Brasileira de Melhoramento Animal
Publication date2006
ISBN (Electronic)85600088016
Publication statusPublished - 2006
EventWorld Congress on Genetics Applied to Livestock Production - Belo Horizonte, Brazil
Duration: 13 Aug 200618 Aug 2006
Conference number: 8

Conference

ConferenceWorld Congress on Genetics Applied to Livestock Production
Number8
Country/TerritoryBrazil
CityBelo Horizonte
Period13/08/200618/08/2006

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