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Title: On a modelling environmental indexes
Authors: Pereira, Dulce
Keywords: Genotype indexes
Environmental indexes
Adjusted means
Issue Date: Jul-2007
Publisher: Institut d'Estadística de Catalunya, IDESCAT
Abstract: The paper deals with the structuring the Genotype x Environmental Interaction in an analysis of series of experiments. The analysis of regression is one of the most appropriate methods in this problem. As in regression analysis we should have two sets of variables, one characterizing genotypes while the second characterizing environments. The so-called adjusted means for genotypes constitute usually observations of dependent variable. The problem is how to model the environmental indexes being the observation of independent variable. In the paper we examine two approaches to modelling the environmental indexes, one is based on so called adjusted means for environments while second method uses iterative (called zig zag) algorithm for estimation of considering indexes.
ISBN: 978-84-690-5943-2
Type: bookPart
Appears in Collections:CIMA - Publicações - Capítulos de Livros
MAT - Publicações - Capítulos de Livros

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