Influencia local em modelos de calibração comparativa
AUTOR(ES)
Olga Lidia Solano Davila
DATA DE PUBLICAÇÃO
2000
RESUMO
In this work we consider some diagnostics aspects in a special sub-class of a general models with measurements of erros; such models are specially designed to compare measuring devices. This problem is known in the literature as Comparative Calibrations. First, we considered a study of analysis of influence in linear regression models and the method of local influence proposed by Cook (1986). We introduce a study of inference to comparative calibration mo dei on parametrization of factor analysis mode. Estimates of maximum likelihood are considered and an asymptotic test is proposed based in the Wald statistic. Using the method of local influence proposed by Cook (1986) and considering some perturbation schemes, we present an analysis of diagnostic in the comparative calibration model. An illustration of the methodology is proposed with a sets of data taken from the literature
ASSUNTO(S)
ACESSO AO ARTIGO
http://libdigi.unicamp.br/document/?code=vtls000204394Documentos Relacionados
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