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All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year Sort by creator [A → Z]' creator [Z → A]' publishing year ↑ (asc)' publishing year ↓ (desc)' title [A → Z]' title [Z → A]' Simple Search Hits 1 – 7 of 7 1 Gaussian tree constraints applied to acoustic linguistic functional data ... Shiers, N; Aston, John; Smith, JQ. - : Apollo - University of Cambridge Repository, 2017 BASE Show details 2 Gaussian tree constraints applied to acoustic linguistic functional data Shiers, N; Aston, John; Smith, JQ. - : Elsevier BV, 2017. : Journal of Multivariate Analysis, 2017 BASE Show details 3 Gaussian tree constraints applied to acoustic linguistic functional data Shiers, N. L.; Aston, John A. D.; Smith, J. Q.. - : Academic Press, 2017 BASE Show details 4 Gaussian tree constraints applied to acoustic linguistic functional data Shiers, N; Aston, JAD; Smith, JQ; Coleman, J. - 2016 Abstract: Evolutionary models of languages are usually considered to take the form of trees. With the development of so-called tree constraints the plausibility of the tree model assumptions can be assessed by checking whether the moments of observed variables lie within regions consistent with Gaussian latent tree models. In our linguistic application, the data set comprises acoustic samples (audio recordings) from speakers of five Romance languages or dialects. The aim is to assess these functional data for compatibility with a hereditary tree model at the language level. A novel combination of canonical function analysis (CFA) with a separable covariance structure produces a representative basis for the data. The separable-CFA basis is formed of components which emphasize language differences whilst maintaining the integrity of the observational language-groupings. A previously unexploited Gaussian tree constraint is then applied to component-bycomponent projections of the data to investigate adherence to an evolutionary tree. The results highlight some aspects of Romance language speech that appear compatible with an evolutionary tree model but indicate that it would be inappropriate to model all features as such. Keyword: Canonical variate analysis; Functional data analysis; Gaussian tree constraints; Phonetics; Separable covariance URL: https://doi.org/10.1016/j.jmva.2016.09.015 BASE Hide details 5 Gaussian latent tree model constraints for linguistics and other applications Shiers, N. L.. - 2016 BASE Show details 6 The correlation space of Gaussian latent tree models and model selection without fitting Shiers, N. L.; Zwiernik, Piotr; Aston, John A. D.. - : Oxford University Press, 2016 BASE Show details 7 Blind estimation of reverberation time in classrooms and hospital wards Kendrick, P; Shiers, N; Conetta, R. - : Elsevier, 2012 BASE Show details

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