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Variation génétique de caractères mesurés dans plusieurs milieux. II. Inférence relative à des corrélations intra-classe constantes entre milieux

Abstract : This paper describes a further contribution to the problem of testing homogeneity of intra-class correlations among environments in the case of univariate linear models, without making any assumption about the genetic correlation between environments. An iterative generalized expectation-maximization (EM) algorithm, as described in Foulley and Quaas (1994), is presented for computing restricted maximum likelihood (REML) estimates of the residual and between-family components of variance and covariance. Three different parameterizations (cartesian, polar and spherical coordinates) are proposed to compute EM-REML estimators under the reduced (constant intra-class correlation between environments) model. This procedure is illustrated with the analysis of simulated data.
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  • HAL Id : hal-02706855, version 1
  • PRODINRA : 119823

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Christèle Robert-Granié, Jean Louis Foulley, Vincent Ducrocq. Variation génétique de caractères mesurés dans plusieurs milieux. II. Inférence relative à des corrélations intra-classe constantes entre milieux. Genetics Selection Evolution, BioMed Central, 1995, 27 (2), pp.125-134. ⟨hal-02706855⟩

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