statsmodels.distributions.copula.api.ClaytonCopula.logpdf

ClaytonCopula.logpdf(u, args=())

Evaluate log-pdf of the Clayton copula.

Parameters:

uarray_like

Values of random bivariate random variable, each defined on [0, 1], for which log-pdf is computed.

argstuple, optional

Copula parameters. If empty, then the copula parameters will be taken from the args attribute created when initializing the instance.

Returns:

ndarray

Copula log-pdf evaluated at points u.