2014
DOI: 10.1590/s0100-204x2014000900004
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Imputação múltipla livre de distribuição em tabelas incompletas de dupla entrada

Abstract: Resumo -O objetivo deste trabalho foi propor um novo algoritmo de imputação múltipla livre de distribuição, por meio de modificações no método de imputação simples recentemente desenvolvido por Yan para contornar o problema de desbalanceamento de experimentos. O método utiliza a decomposição por valores singulares de uma matriz e foi testado por meio de simulações baseadas em duas matrizes de dados reais completos, provenientes de ensaios com eucalipto e cana-de-açúcar, com retiradas aleatórias de valores em d… Show more

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Cited by 5 publications
(3 citation statements)
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References 25 publications
(30 reference statements)
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“…The Ontario winter wheat dataset with 18 genotypes in nine environments was published by [27] to show an application of biplot analysis, and recently these data were used to illustrate new proposals for distribution-free multiple imputation [9] and new bootstrap methods to determine the optimal number of multiplicative components in AMMI models [28].…”
Section: Numerical Example 2: Cross-validation On Real Data From Experiments With Genotype-by-environment Interactionmentioning
confidence: 99%
See 1 more Smart Citation
“…The Ontario winter wheat dataset with 18 genotypes in nine environments was published by [27] to show an application of biplot analysis, and recently these data were used to illustrate new proposals for distribution-free multiple imputation [9] and new bootstrap methods to determine the optimal number of multiplicative components in AMMI models [28].…”
Section: Numerical Example 2: Cross-validation On Real Data From Experiments With Genotype-by-environment Interactionmentioning
confidence: 99%
“…To take into account both dependence on probability distributions and missing data mechanisms, a very useful option is non-parametric imputation [8,9]. A general method free of structural and distributional assumptions was originally proposed by Krzanowski [10] and recently generalized by Arciniegas-Alarcón et al [11] to complete matrices from multi-environmental experiments.…”
Section: Introductionmentioning
confidence: 99%
“…Several statistical methods for the evaluation of genotype x environment interaction are available to understand this effect better and studies of G × E have been gained great applicability in the last two decades (Hongyu et al, 2014;Arciniegas-Alarcón et al, 2014).…”
Section: Introductionmentioning
confidence: 99%