install.packages('VineCopula')"surClaytonCopula", "r90ClaytonCopula" and "r270ClaytonCopula""vineCopula""BB1Copula", "surBB1Copula", "r90BB1Copula" and "r270BB1Copula""BB6Copula", "surBB6Copula", "r90BB6Copula" and "r270BB6Copula""BB7Copula", "surBB7Copula", "r90BB7Copula" and "r270BB7Copula""tawnT1Copula""tawnT2Copula""surGumbelCopula", "r90GumbelCopula" and "r270GumbelCopula"vineCopula ."BB8Copula", "surBB8Copula", "r90BB8Copula" and "r270BB8Copula""joeBiCopula", "surJoeBiCopula", "r90JoeBiCopula" and "r270JoeBiCopula"