El trabajo trata de analizar la relación que existe entre los descensos en los tipos de interés que se han experimentado en España a lo largo de la última década y el estrechamiento en la relación entre el margen financiero y los activos totales medios registrado en las entidades...

The motivation for this paper arises from an article written by Peña et al. [40] in 2010,where they propose the eigenvectors associated with the extreme values of a kurtosismatrix as interesting directions to reveal the possible cluster structure of a dataset. In recent years many research...

This article discusses the problem of forming groups from previously split data. Algorithms for Cluster Analysis like SAR proposed by Peña, Rodriguez and Tiao (2004), divide the sample into small very homogeneous groups and then recombine them to form the definitive data configuration. This...