popular approach to model their dependence is the use of copula functions. Our contribution is to derive expressions for the … observed and expected information for several bivariate copula families, in particular for the Student’s <InlineEquation ID …="IEq1"> <EquationSource Format="TEX">$$t$$</EquationSource> </InlineEquation>-copula. Further likelihood derivatives which …

whose components are symmetric about the center of symmetry. We introduce a set of axioms for measures of radial asymmetry …