Análise de influência local no modelo de regressão logística / Analysis of local influence with the logistic regression model

AUTOR(ES)

Édila Cristina de Souza

DATA DE PUBLICAÇÃO

2006

RESUMO

An important stage after the formularization and adjustment of a regression model is the diagnosis analysis. Logistic regression is one of the main methods for modeling data and even when the response of interest is is not originally of the binary type, some researchers have dichotomized the response in a way that the success probability can be modeled through logistic regression. In this work we consider a study of diagnosis methods with logistic regression, using the measures proposed by Pregibon (1981) and the local influence technique of Cook (1986). We investigate the application of the local influence technique of under different types of disturbance. As as illustration, we show the application of the developed results obtained with real data sets.

ASSUNTO(S)

diagnosis analysis análise estatística modelagem de dados local influence logística (estatística) análise de regressão e de correlação logistic regression

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