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Type: Artigo de periódico
Title: Indexes To Measure Dependence Between Clinical Diagnostic Tests: A Comparative Study [indices Para Medir Dependencia Entre Pruebas Para Diagnóstico Clínico: Un Estudio Comparativo]
Author: Tovar J.R.
Achcar J.A.
Abstract: In many practical situations, clinical diagnostic procedures include two or more biological traits whose outcomes are expressed on a continuous scale and are then dichotomized using a cut point. As measurements are performed on the same individual there is a likely correlation between the continuous underlying traits that can go unnoticed when the parameter estimation is done with the resulting binary variables. In this paper, we compare the performance of two different indexes developed to evaluate the dependence between diagnostic clinical tests that assume binary structure in the results with the performance of the binary covariance and two copula dependence parameters.
Rights: aberto
Identifier DOI: 
Date Issue: 2011
Appears in Collections:Unicamp - Artigos e Outros Documentos

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