copua是金融数学计算中的一类新模型。本代码提供了最常用的copula模型，如clayton等中的参数估计等内容-copua financial mathematical calculation of a new type of model. This code provides the most commonly used model of Copulas, such as Clayton of parameter estimati

COPULAPARAM Copula 参数估计，及Kendall秩相关系数-COPULAPARAM Copula parameter, given Kendall s rank correlation