On the definition of quadratic indices of correlation between standardized deviations

G. Bettuzzi
This work is strictly related to two previous works written by the author in collaboration with A. Gili and published on issues No.4, 1984 and No.1, 1986 of "Statistica". The main aim of the first work was to propose a methodology introducing to the general theory of concordance between deviations, also including, therefore, partial concordance between deviations. For this purpose proportionality equations were used as a conceptual instrument, which proved particularly suitable for better penetrating...