926 resultados para Random imputation
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On cover: Catholic imputation.
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Added t.-p., illus.
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NAVELEX final technical report, December 1978.
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"NsG 24-59. Sponsored by National Aeronautics and Space Administration."
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Mode of access: Internet.
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Caption title: The adventures of Roderick Random.
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Thesis (Ph.D.)--University of Washington, 2016-06
Finite mixture regression model with random effects: application to neonatal hospital length of stay
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A two-component mixture regression model that allows simultaneously for heterogeneity and dependency among observations is proposed. By specifying random effects explicitly in the linear predictor of the mixture probability and the mixture components, parameter estimation is achieved by maximising the corresponding best linear unbiased prediction type log-likelihood. Approximate residual maximum likelihood estimates are obtained via an EM algorithm in the manner of generalised linear mixed model (GLMM). The method can be extended to a g-component mixture regression model with the component density from the exponential family, leading to the development of the class of finite mixture GLMM. For illustration, the method is applied to analyse neonatal length of stay (LOS). It is shown that identification of pertinent factors that influence hospital LOS can provide important information for health care planning and resource allocation. (C) 2002 Elsevier Science B.V. All rights reserved.
Terrain classification based on markov random field texture modeling of SAR and SAR coherency images