José Eduardo Soubhia Natali, Paulo Nogueira Starzynski, Ingird Machado Cusin Ahmed El-Dash, Thiago Paes de Barros de Luccia, Vivian Machado Cusin Ahmed El-Dash & José Guilherme Chaui-Berlinck·Current Journal of Applied Science and Technology·2016
Aims: There are several entropy estimators to address the organization of time-series. However, the behavior of a given estimator in relation to the size N of the data is not often studied in terms of improving the analysis. Here, we investigate size-related properties of the est...
Open access
Research Article10.9734/BJAST/2016/29596
Aims: To evaluate the consistency and robustness of an informational entropy analytical tool derived from Approximate Entropy (ApEn). Study Design: A set of in machina time-series of known properties were generated to test and compare the proposed tool with the standard ApEn and...
Open access
Research Article10.9734/BJAST/2016/22726
Vivian Machado Cusin Ahmed El-Dash, Ingird Machado Cusin Ahmed El-Dash, José Eduardo Soubhia Natali, Paulo Nogueira Starzynski & José Guilherme Chaui-Berlinck·Current Journal of Applied Science and Technology·2017
Aims: To validate the use of the non-linear estimator a1ApEn in empirical data. Study Design: Comparison of heart rate variability/complexity (HRV/C) between rest and low intensity exercise. Methodology: R-R intervals were obtained from electrocardiogram recordings in 15 healthy...
Open access
Research Article10.9734/CJAST/2017/38488