Frausto Solis, Juan, Mirna Patricia Ponce Flores, Guadalupe Castilla Valdez, Juan Javier González Barbosa, Joaquín Pérez Ortega, and Jesús David Terán Villanueva. 2019. “Hurst Exponent With ARIMA and Exponential Smoothing for Measuring Persistency of M3- Competition Series”. IEEE Latin America Transactions 17 (5):815-22. https://latamt.ieeer9.org/index.php/transactions/article/view/1119.