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17 October 2016 Dealing with propositions, not with the characters: the ability of three-taxon statement analysis to recognise groups based solely on ‘reversals’, under the maximum-likelihood criteria
Evgeny V. Mavrodiev
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Abstract

Three-taxon statement matrices can be analysed using the maximum-likelihood method. In the present paper, it is demonstrated that groups based solely on putative reversals are always recognisable after maximum-likelihood analysis of three-taxon statement matrices, even without a priori recoding of the putative reversals as new character states or fractional weighting of three-taxon statements. Parametric implementations of three-taxon statement analysis still require more investigation. However, it must be highlighted that a focus on the set of hypotheses, rather than on the ‘actual data’, is required.

© CSIRO 2016
Evgeny V. Mavrodiev "Dealing with propositions, not with the characters: the ability of three-taxon statement analysis to recognise groups based solely on ‘reversals’, under the maximum-likelihood criteria," Australian Systematic Botany 29(2), 119-125, (17 October 2016). https://doi.org/10.1071/SB16006
Received: 12 March 2016; Accepted: 1 June 2016; Published: 17 October 2016
KEYWORDS
evolutionary model
maximum parsimony
most probable hierarchies of patterns
parametric phylogenetics
plesiomorphy
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