MÔN HỌC PTDLDT Học kỳ 2 - 2025

Exercício 12 - Visualização de Dados

Revised based on feedback

Stationarity implies that the statistical properties of a time series are constant over time, meaning that the past is informative for predicting the future. It is a key requirement for ensuring the validity of forecasts based on time series models. In this document, we study standard tests used to assess whether a time series is stationary.