evCopula is the virtual (mother) class of all
extreme-value copulas. There currently are five subclasses,
"galambosCopula", "huslerReissCopula",
"tawnCopula", "tevCopula", and "gumbelCopula",
the latter of which is also an Archimedean copula, see the page for
class "archmCopula ".evCopula is a virtual class: No objects may be created from it.
Objects of class "galambosCopula" etc, can be created by calls
of the form new("galambosCopula", ...), but typically rather by
galambosCopula(), etc, see there."copula ", see there."evCopula" extends class "copula "
directly. Classes "galambosCopula", "huslerReissCopula",
"tawnCopula", and "tevCopula" extend class
"evCopula" directly.evCopula,
evTestC,
evTestK,
gofEVCopula,
copula-class.