Sumários

Lecture 23

14 Abril 2023, 09:30 Nuno Sobreira

Chapter 6 - Seasonality. SARIMA models. Motivation of the extension of ARIMA models to the seasonal framework. Implications of seasonal data to the ARIMA framework. Examples of purely seasonal ARIMA processes and main properties.


Lecture 22 (given on 21/04)

12 Abril 2023, 09:00 Nuno Sobreira

Chapter 8 - Volatility time series models. The ARCH model class. Main properties.


Lecture 21

10 Abril 2023, 08:00 Nuno Sobreira

Time series cross-validation in R. Introduction to chapter 6 - Seasonality and SARIMA models. Purely seasonal AR, MA and ARMA processes: main properties


Lecture 20

31 Março 2023, 09:30 Nuno Sobreira

Chapter 5 - Forecasting with ARIMA models. Simple forecasting methods. Comparing forecast accuracy of different models. Traditional evaluation and cross-validation. Applications in R.


Lecture 19

29 Março 2023, 08:00 Nuno Sobreira

Chapter 5 - Forecasting with ARIMA models. Deriving the MSE formulas and the prediction intervals. Forecasting in practice using R. Comparing the forecast accuracy of different models.