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How can I fit a copula for a bivariate vector of negative binomial and Bernoulli margins?

I would prefer a Frank or Clayton copula.

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It will probably be worth looking at the copula package – mnel Oct 30 '12 at 5:05

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If your marginal distribution function has a closed form (or is limited sum of mass probabilities) you should write log-likelihood function and maximize it.

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