ABSTRACT The aim of the paper is to determine maximum-likelihood estimation equations. Observations follow a multivariate normal distribution, , where , and describe the unknown covariance structure between rows and… Click to show full abstract
ABSTRACT The aim of the paper is to determine maximum-likelihood estimation equations. Observations follow a multivariate normal distribution, , where , and describe the unknown covariance structure between rows and columns of , respectively. Imposing restrictions on and four types of covariance structures will be considered.
               
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