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Master's Dissertation
DOI
10.11606/D.11.2018.tde-20181127-155053
Document
Author
Full name
Dinara Westphalen Xavier Fernandez
Institute/School/College
Knowledge Area
Date of Defense
Published
Piracicaba, 1991
Supervisor
Title in Portuguese
Modelos de populações finitas e máxima verossimilhança restrita no problema de estimativas negativas para componentes de variância
Keywords in Portuguese
COMPONENTES DE VARIÂNCIA
MÁXIMA VEROSSIMILHANÇA
MODELOS MATEMÁTICOS
Abstract in Portuguese
Discutiram-se dois procedimentos com o intuito de contornar o problema de estimativas negativas para componentes de variância. Constatou-se que o procedimento de adotar o modelo supondo populações finitas funciona satisfatoriamente para algumas situações. Já o procedimento da máxima verossimilhança restrita exige que sejam desenvolvidos novos algoritmos que não apresentem dificuldades de cálculo
Title in English
not available
Abstract in English
Two statistical procedures were discussed in order to solve the problem of negative estimates in variance components. When finite population model is adopted it worked out fine for some special situations. However the Restricted Maximum Likelihood Procedure showed the necessity of new algorithms developments free of calculations difficulties
 
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Publishing Date
2018-11-27
 
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