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Acasalamento dirigido para aumentar a produção de animais geneticamente superiores e reduzir a variabilidade da progênie em bovinos Mating strategy for increasing the probability of producing outstanding animals and reducing progeny variability

ISSN: 15163598 · Editor / fuente: Sociedade Brasileira de Zootecnia

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Optimal auxiliary-covariate-based two-phase sampling design for semiparametric efficient estimation of a mean or mean difference, with application to clinical trials

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Optimal auxiliary-covariate-based two-phase sampling design for semiparametric efficient estimation of a mean or mean difference, with application to clinical trials

Gilbert, Peter B. et al · John Wiley & Sons Ltd · 2014 · ISSN 0277-6715

To address the objective in a clinical trial to estimate the mean or mean difference of an expensive endpoint Y, one approach employs a two-phase sampling design, wherein inexpensive auxiliary variables W predictive of Y...

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Acasalamento dirigido para aumentar a produção de animais geneticamente superiores e reduzir a variabilidade da progênie em bovinos Mating strategy for increasing the probability of producing outstanding animals and reducing progeny variability