Lesson 1: Introduction to Time Series Data › Use the links below to link directly to one of the lessons listed. †Lesson 1: Introduction to Time Series Data †Lesson 2: Autocorrelation and ARIMA Lesson 3: Trend Analysis Lesson 4: Autocorrelated Distributed Lag (ARDL) Models Lesson 5: Spectrum and Cross-Spectrum Analysis †Lesson 6: Hovmöller Diagrams Lesson 7: Data Visualization † indicates lessons that are Open Educational Resources. Lesson 1: Introduction to Time Series Data › Print