In this chapter, you will discover the AR model: the autoregressive model. The AR model is the most basic building block of univariate time series. As you have seen before, univariate time series are a family of models that use only information about the past of the target variable to forecast its future, and they do not rely on other explanatory variables.
Univariate time series models can be intuitively understood as building blocks: they add up from the simplest model to complex models that combine the different ...
