Lesson 1: Time Series Basics


This first lesson will introduce you to time series data and important characteristics of time series data.  We will also begin some basic modeling. Topics covered include first-order autoregressive models and the autocorrelation function.


After successfully completing this lesson, you should be able to:

  • Identify important features on a time series plot
  • Identify and interpret an AR(1) model
  • Interpret an ACF
  • Identify a weakly stationary time series
  • Identify when and how to take first differences