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Showing 1 to 1 of 1 for “"Angular parameterization"”.
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Bayesian Estimation of Correlation Matrices of Longitudinal Date and Variable Clustering
Estimation of correlation matrices is a challenging problem due to the notorious positive-definiteness constraint and high-dimensionality. Reparameterising Cholesky factors of correlation matrices in terms of angles or hyperspherical coordinates where the angles vary freely in the range [0, π) has …