Multiplicative vs additive seasonality
The first thing you need to decide is whether to apply transformations to the time series. In these last few exercises you will be working towards making a forecast of the CO\(_2\) time series. This and another time series for electricity production are plotted below.

Which of the above time series, if either, should be log transformed?
Cet exercice fait partie du cours
ARIMA Models in Python
Exercice interactif pratique
Passez de la théorie à la pratique avec l’un de nos exercices interactifs
