Empirical Copula class.
Created by calls of the form new("empCopula", ...) or rather
typically by empCopula() based on a matrix
X of pseudo-observations. Smoothing options are available, see
there.
X:matrix of pseudo-observations based
on which the empirical copula is constructed.
smoothing:character string determining
the smoothing method.
offset:numeric giving the shift in the
normalizing factor for computing the empirical copula.
ties.method:a string indicating rank()'s
ties method for computing the empirical copula.
The class constructor are empCopula(), also for
examples.