express_coef_clayton: Clayton coefficient for Kendall's tau formula

Description

The function is used internally in liouv.Tau.

Usage

1
express_coef_clayton(i, j, theta, a)

Arguments

i

first index

j

second index

theta

parameter of the corresponding Archimedean copula

a

L1-norm of Dirichlet allocation vector

Value

Clayton coefficient


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