Permutation entropy and its main biomedical and econophysics applications: a review

M Zanin, L Zunino, OA Rosso, D Papo - Entropy, 2012 - mdpi.com
Entropy is a powerful tool for the analysis of time series, as it allows describing the
probability distributions of the possible state of a system, and therefore the information …

Practical considerations of permutation entropy: A tutorial review

M Riedl, A Müller, N Wessel - The European Physical Journal Special …, 2013 - Springer
More than ten years ago Bandt and Pompe introduced a new measure to quantify
complexity in measured time series. During these ten years, this measure has been modified …

Some stylized facts of the Bitcoin market

AF Bariviera, MJ Basgall, W Hasperué… - Physica A: Statistical …, 2017 - Elsevier
In recent years a new type of tradable assets appeared, generically known as
cryptocurrencies. Among them, the most widespread is Bitcoin. Given its novelty, this paper …

Ordinal patterns-based methodologies for distinguishing chaos from noise in discrete time series

M Zanin, F Olivares - Communications Physics, 2021 - nature.com
One of the most important aspects of time series is their degree of stochasticity vs. chaoticity.
Since the discovery of chaotic maps, many algorithms have been proposed to discriminate …

Commodity futures and market efficiency

L Kristoufek, M Vosvrda - Energy Economics, 2014 - Elsevier
We analyze the market efficiency of 25 commodity futures across various groups—metals,
energies, soft commodities, grains and other agricultural commodities. To do so, we utilize …

Fractal properties, information theory, and market efficiency

X Brouty, M Garcin - Chaos, solitons & fractals, 2024 - Elsevier
Considering that both the entropy-based market information and the Hurst exponent are
useful tools for determining whether the efficient market hypothesis holds for a given asset …

An analysis of high-frequency cryptocurrencies prices dynamics using permutation-information-theory quantifiers

AF Bariviera, L Zunino, OA Rosso - Chaos: An Interdisciplinary Journal …, 2018 - pubs.aip.org
This paper discusses the dynamics of intraday prices of 12 cryptocurrencies during the past
months' boom and bust. The importance of this study lies in the extended coverage of the …

Taxonomy of commodities assets via complexity-entropy causality plane

LHS Fernandes, FHA Araújo - Chaos, Solitons & Fractals, 2020 - Elsevier
This paper promotes insights based on an empirical analysis of the complex dynamics of 12
significant assets of the commodity market. We applied the Complexity-entropy causality …

Insights from the (in) efficiency of Chinese sectoral indices during COVID-19

LHS Fernandes, FHA de Araujo, BM Tabak - Physica A: Statistical …, 2021 - Elsevier
This article evaluates the effects of the crisis caused by the new Coronavirus (COVID-19) on
the Chinese sectoral indices. Using the complexity–entropy plane methodology, we find that …

On the forecastability of food insecurity

P Foini, M Tizzoni, G Martini, D Paolotti, E Omodei - Scientific Reports, 2023 - nature.com
Food insecurity, defined as the lack of physical or economic access to safe, nutritious and
sufficient food, remains one of the main challenges included in the 2030 Agenda for …