Topic overview

Time Series Analysis

Time series components, decomposition, benchmark forecasting methods, and practical forecasting workflows in R.

Learning objectives

  • Explain what makes time series data different from cross-sectional data.
  • Identify trend-cycle, seasonal, and remainder components in time series data.
  • Distinguish between additive and multiplicative decomposition.
  • Apply classical decomposition and STL decomposition in R.
  • Build benchmark forecasting models and evaluate them using accuracy measures.
  • Use external data sources such as FRED for time-series exploration.

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