This is a preview. Log in through your library . Abstract Linear mixed effects models are highly flexible in handling a broad range of data types and are therefore widely used in applications. A key ...
Maximum Likelihood Estimation of Generalised Linear Models for Multivariate Normal Covariance Matrix
The positive-definiteness constraint is the most awkward stumbling block in modelling the covariance matrix. Pourahmadi's (1999) unconstrained parameterisation models covariance using covariates in a ...
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