Exploració per autor "Ortega, Edwin M. M."

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    • Assessing influence in survival data with a cure fraction and covariates 

      Ortega, Edwin M. M.; Cancho, Vicente G.; Lachos, Victor Hugo (Institut d'Estadística de Catalunya, 2008)
      Article
      Accés obert
      Diagnostic methods have been an important tool in regression analysis to detect anomalies, such as departures from error assumptions and the presence of outliers and influential observations with the fitted models. Assuming ...

    • Influence diagnostics in exponentiated-Weibull regression models with censored data. 

      Ortega, Edwin M. M.; Cancho, Vicente G.; Bolfarine, Heleno (Institut d'Estadística de Catalunya, 2006)
      Article
      Accés obert
      Diagnostic methods have been an important tool in regression analysis to detect anomalies, such as departures from the error assumptions and the presence of outliers and influential observations with the fitted models. The ...