Time Series Forecasting with ARIMA

Introduction

Time series provide the opportunity to forecast future values. Based on previous values, time series can be used to forecast trends in economics, weather, and capacity planning, to name a few. The specific properties of time-series data mean that specialized statistical methods are usually required.

In this tutorial, we will aim to produce reliable forecasts of time series. We will begin by introducing and discussing the concepts of autocorrelation, stationarity, and seasonality, and proceed to apply one of the most commonly used methods for time-series forecasting, known as ARIMA.

One of the methods available in Python to model and predict future points of a time series is known as SARIMAX, which stands for Seasonal AutoRegressive Integrated Moving Averages with eXogenous regressors. Here, we will primarily focus on the ARIMA component, which is used to fit time-series data to better understand and forecast future points in the time series.

Source: Thomas Vincent, https://www.digitalocean.com/community/tutorials/a-guide-to-time-series-forecasting-with-arima-in-python-3
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