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Title: A comparison between Joint Regression Analysis and the Additive Main and Multiplicative Interaction model: the robustness with increasing amounts of missing data
Authors: Rodrigues, Paulo C.
Pereira, Dulce G.
Mexia, João T.
Editors: Alleoni, Luís
Keywords: AMMI models
genotype by environment interaction
joint regression analysis
missing values
durum wheat
Issue Date: Nov-2011
Publisher: Piracicaba, Braz.
Abstract: This paper joins the main properties of joint regression analysis (JRA), a model based on the Finlay-Wilkinson regression to analyse multi-environment trials, and of the additive main effects and multiplicative interaction (AMMI) model. The study compares JRA and AMMI with particular focus on robustness with increasing amounts of randomly selected missing data. The application is made using a data set from a breeding program of durum wheat (Triticum turgidum L., Durum Group) conducted in Portugal. The results of the two models result in similar dominant cultivars (JRA) and winner of mega-environments (AMMI) for the same enironments. However, JRA had more stable results with the increase in the incidence rates of missing values.
ISSN: 0103-9016
Type: article
Appears in Collections:MAT - Publicações - Artigos em Revistas Internacionais Com Arbitragem Científica
CIMA - Publicações - Artigos em Revistas Internacionais Com Arbitragem Científica

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