Creates an instance of the Clayton copula with parameter theta.
NewMVClaytonCopula(theta =1)
Arguments
theta: real, the parameter of the Clayton copula, defaults to 1; must be positive.
Returns
A function that evaluates the Clayton copula (with parameter alpha) at a given d-dimensional vector in the unit cube. The environment of the function also contains a function called pdfCopula that evaluates the probability density function of the Clayton copula via automatic differentation.
Details
The following parameterisation of the copula is used: