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ON THE ESTIMATION AND PREDICTION IN MIXED LINEAR MODELS
Author(s) -
Luis Alberto López,
Antônio Francisco Iemma
Publication year - 1998
Publication title -
scientia agrícola
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.549
H-Index - 52
eISSN - 1678-992X
pISSN - 0103-9016
DOI - 10.1590/s0103-90161998000200019
Subject(s) - mathematics , covariance , lagrange multiplier , generalized linear mixed model , estimation , linear model , variance (accounting) , markov chain , gauss , mathematical optimization , statistics , business , physics , management , accounting , quantum mechanics , economics
Beginning with the classical Gauss-Markov Linear Model for mixed effects and using the technique of the Lagrange multipliers to obtain an alternative method for the estimation of linear predictors. A structural method is also discussed in order to obtain the variance and covariance matrixes and their inverses. Através do modelo linear clássico de Gausss-Markov caracterizado como modelo de efeitos mistos, aplicou-se a tecnologia dos multiplicadores de Lagrange para obter um método alternativo de estimação de preditores lineares. Além disso, é proposto um critério estrutural simples para a obtenção das matrizes de variâncias, covariâncias e de suas inversas

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