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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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