# Baselines

Learn some of the main baselines used for time series data and how to calculate them.

## We'll cover the following

## Overview

**Baselines** are important so that we can have something to compare our models to. Imagine we put a lot of work into creating an

So, to evaluate our model's performance, we compare it to a benchmark, which is our baseline. If our model does worse than this, it's probably not a good model.

### Simple average

As the name suggests,** simple average** means just forecasting the mean value for every point in time. If our data has no trend, this might be a good baseline. The formula to calculate the mean is:

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