2008, Vol. 32, Núm. 2

Sumari

  • 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 ...

  • A microbiology application of the skew-Laplace distribution 

    Julià, Olga; Vives Rego, Josep (Institut d'Estadística de Catalunya, 2008)
    Article
    Accés obert
    Flow cytometry scatter are ofen used in microbiology, and their measures are related to bacteria size and granularity. We present an application of the skew-Laplace distribution to flow cytometry data. The goodness of fit ...

  • On equivalence and bioequivalence testing 

    Ocaña Rebull, Jordi; Sánchez Olavarría, María Pilar; Sánchez, Alex; Carrasco Jordan, Josep Lluís (Institut d'Estadística de Catalunya, 2008)
    Article
    Accés obert
    Equivalence testing is the natural approach to many statistical problems. First, its main application, bioequivalence testing, is reviewed. The basic concepts of bioequivalence testing (2×2 crossover designs, TOST, ...

  • Sampling design variance estimation of small area estimators in the Spanish Labour Force Survey 

    Herrador, M.; Morales, Domingo; Esteban, M. D.; Sánchez, Ángel; Santamaría Arana, Laureano; Marhuenda, Y.; Pérez, A. (Institut d'Estadística de Catalunya, 2008)
    Article
    Accés obert
    The main goal of this paper is to Investigate how to estimate sampling design variances of modelbased and model-assisted small area estimators in a complex survey sampling setup. For this purpose the Spanish Labour Force ...