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Title Basic Copula Functions Version 1.4 Date 2008-10-30

By H. Asquith

Abstract

Description This package implements basic functions for copula computations and is used by several other packages by the author. This particular package provides the lower (W), upper (M), and product (P) copulas as well as the product-summation-product copula (PSP). Wrapper functions for the copula (COP), survival copula (surCOP), dual of a copula (duCOP), and co-copula (coCOP) are provided. The package has (level.curvesCOP) for drawing level curves of a given copula,and this function uses the inverse of a copula (COPinv and a COPinv2 is provided for completeness). The numerical derivative for the derivative of a copula is provided by (derCOP and derCOP2) and the inversion of these functions are by (derCOPinv and derCOPinv2). The diagonal sections of a copula are supported by (diagCOP), and sections and derivatives of sections are supported by (sectionCOP). The inverses of copula derivatives are important for random variate generation. Rando

Topics: and Wolff's Sigma
Year: 2011
OAI identifier: oai:CiteSeerX.psu:10.1.1.204.8943
Provided by: CiteSeerX
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