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OJVRTM

 

Online Journal of Veterinary Research©

(Including Medical and Laboratory Research)

Established 1994

ISSN 1328-925X

 

Volume 28(4): 174-177, 2024.


Bayesian modelling for species divergence

 

Adam A, Mengersen K, Baker P

 

1INSEE, CREST, Paris, France, 2Kerrie Mengersen1, Queensland University of Technology, Australia, 3CMIS, CSIRO, Australia

 

ABSTRACT

                                     

Adam A, Mengersen K, Baker P., Bayesian Mixture Modelling of Species Divergence, Onl J Vet Res., 28(4): 174-177, 2024. An hierarchical finite mixture model was developed to describe evolutionary divergence. The number of components per hierarchy and number of levels of the hierarchy were unknown. The model was applied to the construction of a tree representing historical species, based on phenotypic data available from a number of independent present day populations. A simulation study demonstrated that the evolutionary model was reasonably well constructed. However, the method tended to minimize differences between ancestral species rather than present day differences. Modifications to the method are proposed for meta–analysis and classification.

 

KEY-WORDS Model-Evolution-Divergence-Tree-Phenotype.


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