Time Series Tools

Interactive training tools for ECON 6376: Applied Time Series Econometrics at George Washington University. These browser-based exercises provide immediate feedback to build pattern-recognition skills central to applied time series analysis.

Stationarity Trainer — Practice classifying series as stationary, non-stationary, or trend-stationary using time plots, ACF, ADF tests, and variance ratio diagnostics.

ACF/PACF Model Identification Trainer — Practice identifying ARMA model structure and orders from sample correlograms using the Box-Jenkins methodology.

Release Date Radar — A forecast combination exercise where students guess movie release years from posters and contextual clues, demonstrating the wisdom-of-crowds principle through live-updating histograms and prediction intervals.