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A bayesian poisson-lognormal model for count data for multiple-trait multiple-environment genomic-enabled prediction

Autor: Montesinos-Lopez, O.A.
Autor: Montesinos-López, A.
Autor: Crossa, J.
Autor: Toledo, F.H.
Autor: Montesinos-López, J.C.
Autor: Singh, P.K.
Autor: Juliana, P.
Autor: Salinas-Ruiz, J.
Año: 2017
URI: http://hdl.handle.net/10883/18833
Descripción: Bayesian theory
Resumen: When a plant scientist wishes to make genomic-enabled predictions of multiple traits measured in multiple individuals in multiple environments, the most common strategy for performing the analysis is to use a single trait at a time taking into account genotype × environment interaction (G × E), because there is a lack of comprehensive models that simultaneously take into account the correlated counting traits and G × E. For this reason, in this study we propose a multiple-trait and multiple-environment model for count data. The proposed model was developed under the Bayesian paradigm for which we developed a Markov Chain Monte Carlo (MCMC) with non informative priors. This allows obtaining all required full conditional distributions of the parameters leading to an exact Gibbs sampler for the posterior distribution. Our model was tested with simulated data and a real data set. Results show that the proposed multi-trait, multi-environment model is an attractive alternative for modeling multiple count traits measured in multiple environments.
Lenguaje: English
Editor: Genetics Society of America
Copyright: CIMMYT manages Intellectual Assets as International Public Goods. The user is free to download, print, store and share this work. In case you want to translate or create any other derivative work and share or distribute such translation/derivative work, please contact CIMMYT-Knowledge-Center@cgiar.org indicating the work you want to use and the kind of use you intend; CIMMYT will contact you with the suitable license for that purpose.
Tipo: Article
Lugar: Bethesda, MD
Paginas: p. 1595-1606
No de Revista: 5
Revista: G3
Volumen de la Revista: v. 7
DOI: 10.1534/g3.117.039974


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    Genetic Resources including germplasm collections, wild relatives, genotyping, genomics, and IP

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