2014
DOI: 10.1002/bimj.201300003
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Bayesian inferences for beta semiparametric‐mixed models to analyze longitudinal neuroimaging data

Abstract: Diffusion tensor imaging (DTI) is a quantitative magnetic resonance imaging technique that measures the three-dimensional diffusion of water molecules within tissue through the application of multiple diffusion gradients. This technique is rapidly increasing in popularity for studying white matter properties and structural connectivity in the living human brain. One of the major outcomes derived from the DTI process is known as fractional anisotropy, a continuous measure restricted on the interval (0,1). Motiv… Show more

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Cited by 4 publications
(3 citation statements)
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“…INLA approach has been applied to a variety of complex models, such as spatial-temporal disease mapping (Schrödle and Held, 2011), additive mixed quantile regression models (Yue and Rue, 2011), and beta semiparametric mixed models (Wang and Li, 2013). INLA, as new Bayesian computation tools, have a great potential to be used in many scientific fields.…”
Section: Discussionmentioning
confidence: 99%
“…INLA approach has been applied to a variety of complex models, such as spatial-temporal disease mapping (Schrödle and Held, 2011), additive mixed quantile regression models (Yue and Rue, 2011), and beta semiparametric mixed models (Wang and Li, 2013). INLA, as new Bayesian computation tools, have a great potential to be used in many scientific fields.…”
Section: Discussionmentioning
confidence: 99%
“…Many studies have investigated the influence of predictors on a vector of proportions, or percentages, or fractions [10,24,25]. It is often inappropriate to apply a Gaussian error model for situations when the response is restricted to the interval (0, 1).…”
Section: The Generalized Mixed-effects Varying Coefficient Modelmentioning
confidence: 99%
“…Because it is bounded between 0 and 1, y ij (x) is assumed to follow a beta distribution, which is capable of flexibly modeling this type of data (Wang and Li, 2014). Being interested in the visit effect on FA profiles in the RCST region, we consider the following one-way functional ANOVA model: for x ∈ X ⊂ IR, where Beta(µ, λ) denotes the beta distribution with mean µ and variance…”
Section: Diffusion Tensor Imagingmentioning
confidence: 99%