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  • Modelling consumer credit risk via survival analysis 

    Cao, Ricardo; Vilar Fernández, Juan Manuel; Devía, A. (Institut d'Estadística de Catalunya, 2009)
    Article
    Accés obert
    Credit risk models are used by financial companies to evaluate in advance the insolvency risk caused by credits that enter into default. Many models for credit risk have been developed over the past few decades. In this ...
  • Estimating unemployment in very small areas 

    Ugarte, Maria Dolores; Goicoa, T.; Militino, Ana F.; Sagaseta-López, M. (Institut d'Estadística de Catalunya, 2009)
    Article
    Accés obert
    In the last few years, European countries have shown a deep interest in applying small area techniques to produce reliable estimates at county level. However, the specificity of every European country and the heterogeneity ...
  • A general procedure of estimating the population mean in the presence of non-response under double sampling using auxiliary information 

    Singh, H. P.; Kumar, Sunil (Institut d'Estadística de Catalunya, 2009)
    Article
    Accés obert
    In the present study, we propose a general class of estimators for population mean of the study variable in the presence of non-response using auxiliary information under double sampling. The expression of mean squared ...
  • On the performance of small-area estimators: fixed vs. random area parameters 

    Costa, Àlex; Satorra, A.; Ventura, Eva (Institut d'Estadística de Catalunya, 2009)
    Article
    Accés obert
    Most methods for small-area estimation are based on composite estimators derived from designor model-based methods. A composite estimator is a linear combination of a direct and an indirect estimator with weights that ...