Unstructured variance

Factor analysis using mixed models of multi-environment trials with different levels of unbalancing

J. J. Nuvunga, Oliveira, L. A., Pamplona, A. K. A., Silva, C. P., Lima, R. R., and Balestre, M., Factor analysis using mixed models of multi-environment trials with different levels of unbalancing, vol. 14, pp. 14262-14278, 2015.

This study aimed to analyze the robustness of mixed models for the study of genotype-environment interactions (G x E). Simulated unbalancing of real data was used to determine if the method could predict missing genotypes and select stable genotypes. Data from multi-environment trials containing 55 maize hybrids, collected during the 2005-2006 harvest season, were used in this study.

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