2021•Journal of Multivariate AnalysisOpen access

Covariance function versus covariance matrix estimation in efficient semi-parametric regression for longitudinal data analysis

Shengji Jia, Chunming Zhang, Haoran Lu

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Key concepts: Mathematics, Rational quadratic covariance function, Estimation of covariance matrices, Covariance function, Matérn covariance function, Law of total covariance, Covariance intersection, Covariance