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Entropy estimation by Kozachenko-Leonenko method

version 2.0.0.0 (1.3 KB) by Martin V.
The script calculates the entropy point estimation for 1D date by the Kozachenko-Leonenko method.
4.0
2 Ratings

1 Download

Updated 28 Aug 2018

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The script calculates the entropy point estimation for 1D date by the Kozachenko-Leonenko method.

Cite As

Martin V. (2021). Entropy estimation by Kozachenko-Leonenko method (https://www.mathworks.com/matlabcentral/fileexchange/37370-entropy-estimation-by-kozachenko-leonenko-method), MATLAB Central File Exchange. Retrieved .

Comments and Ratings (2)

LionelB

Hi Martin, nice code.

A suggestion for better efficiency on large samples is to vectorise the loop

for k = 2:n-1
r(k) = min([input(k+1) - input(k),input(k) - input(k-1)]);
end

as
r(2:n-1) = min([input(3:n)-input(2:n-1); input(2:n-1)-input(1:n-2)]);

(Note: this assumes 'input' is a row vector.)

NoNa

MATLAB Release Compatibility
Created with R2017b
Compatible with R2010a and later releases
Platform Compatibility
Windows macOS Linux

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