Results 11 to 20 of about 7,382 (224)

Considerations for Applying Entropy Methods to Temporally Correlated Stochastic Datasets [PDF]

open access: yesEntropy, 2023
The goal of this paper is to highlight considerations and provide recommendations for analytical issues that arise when applying entropy methods, specifically Sample Entropy (SampEn), to temporally correlated stochastic datasets, which are representative
Joshua Liddy, Michael Busa
doaj   +2 more sources

Hybridization of long short-term memory neural network in fractional time series modeling of inflation [PDF]

open access: yesFrontiers in Big Data, 2023
Inflation is capable of significantly impacting monetary policy, thereby emphasizing the need for accurate forecasts to guide decisions aimed at stabilizing inflation rates.
Erman Arif   +4 more
doaj   +2 more sources

Long-Range Dependence in Financial Markets: a Moving Average Cluster Entropy Approach [PDF]

open access: yesEntropy (Basel), 2020
A perspective is taken on the intangible complexity of economic and social systems by investigating the underlying dynamical processes that produce, store and transmit information in financial time series in terms of the \textit{moving average cluster ...
Carbone, Anna   +2 more
core   +4 more sources

Evaluating the long-term impact of COVID-19-associated public health interventions on zoonotic and vector-borne diseases in China: an interrupted time series analysis [PDF]

open access: yesJournal of Translational Medicine
Background The long-term impact of COVID-19-associated public health interventions on zoonotic and vector-borne infectious diseases (ZVBs) remains uncertain.
Yongbin Wang   +8 more
doaj   +2 more sources

Fractional and fractal processes applied to cryptocurrencies price series [PDF]

open access: yesJournal of Advanced Research, 2021
Introduction: Cryptocurrencies have been attracting the attention from media, investors, regulators and academia during the last years. In spite of some scepticism in the financial area, cryptocurrencies are a relevant subject of academic research ...
S.A. David   +3 more
doaj   +2 more sources

Forecasting COVID-19 new cases in Algeria using Autoregressive fractionally integrated moving average Models (ARFIMA)

open access: yesmedRxiv, 2020
In this research, an ARFIMA model is proposed to forecast new COVID-19 cases in Algeria two weeks ahead. In the present study, public health database from Algeria health ministry has been used to build an ARFIMA model and used to forecast COVID-19 new ...
B. Balah, M. Djeddou
semanticscholar   +2 more sources

Fractional Neuro-Sequential ARFIMA-LSTM for Financial Market Forecasting

open access: yesIEEE Access, 2020
Forecasting of fast fluctuated and high-frequency financial data is always a challenging problem in the field of economics and modelling. In this study, a novel hybrid model with the strength of fractional order derivative is presented with their ...
Ayaz Hussain Bukhari   +5 more
semanticscholar   +1 more source

Fractional differencing in stock market price and online presence of global tourist corporations [PDF]

open access: yesJournal of Economics Finance and Administrative Science, 2019
Purpose - This work aims to explore the behavior of stock market prices according to the autoregressive fractional differencing integrated moving average model.
Francisco Flores-Muñoz   +2 more
doaj   +1 more source

Combining long memory and level shifts in modeling and forecasting the volatility of asset returns [PDF]

open access: yes, 2017
We propose a parametric state space model of asset return volatility with an accompanying estimation and forecasting framework that allows for ARFIMA dynamics, random level shifts and measurement errors.
Perron, Pierre, Varneskov, Rasmus T.
core   +1 more source

Prueba de hipótesis sobre la existencia de una raíz fraccional en una serie de tiempo no estacionaria

open access: yesLecturas de Economía, 2013
Prueba de hipótesis sobre la existencia de una raíz fraccional en una serie de tiempo no estacionaria   Resumen: En este trabajo se propone una modificación de la prueba de hipótesis propuesta por Castaño, Gómez y Gallón (2008) para determinar la ...
Diego Lemus, Elkin Castaño
doaj   +5 more sources

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