Author xukai92
1 Star
Updated Last
4 Months Ago
Started In
February 2021

CopEnt.jl: Copula Entropy in Julia

This package is a Julia fork of the original author's R package (copent) and the Python package (pycopent)


The function copula_entropy in the package indeed returns the copula entropy instead of the negative copula entropy, which is done by the corresponding copent function in copent or pycopent.


using Distributions, CopEnt
ρ = 0.6
μ = zeros(2)
Σ = [1 ρ; ρ 1]
x = rand(MvNormal(μ, Σ), 2_000)
mi = -copent(x) # this gives us 0.1849467947096306
                # true value is 0.2231435513142097

Also see the example notebook for some visualizations.

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