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Semiparametric estimation of covariance matrices for longitudinal data
Estimation of longitudinal data covariance structure poses significant challenges because the data are usually collected at irregular time points. A viable semiparametric model for covariance matrices was proposed in Fan, Huang and Li (2007) that allows one to estimate the variance function nonparam...
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Main Authors: | , |
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Formato: | Artigo |
Idioma: | Inglês |
Publicado em: |
2008
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Assuntos: | |
Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC2631936/ https://ncbi.nlm.nih.gov/pubmed/19180247 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1198/016214508000000742 |
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