HUNTERTUTORING

Time series analysis

Undergraduate · Statistics

Syllabus focus

Standard syllabus · STEM / applied

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$60.00 · 60 min · Undergraduate · Online ($60/hr)

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Topics typically covered

Standard syllabus

Time series fundamentals

  • Trend, seasonality, and stationarity
  • Autocorrelation and partial autocorrelation functions
  • White noise and random walks
  • Differencing and detrending
  • Decomposition: classical and STL (intro)

ARIMA models

  • Autoregressive (AR) and moving average (MA) models
  • ARMA and ARIMA model identification
  • Model selection with AIC and BIC
  • Forecasting with ARIMA models
  • Prediction intervals for future observations

Additional topics

  • Seasonal ARIMA (SARIMA) models
  • Exponential smoothing methods
  • Unit root tests (introduction)
  • Spectral analysis overview (optional)

STEM / applied

Applied forecasting

  • Forecasting with R (forecast package) or Python
  • Evaluating forecasts: MAPE, RMSE, and cross-validation
  • Business and economic time series case studies
  • Handling irregularly spaced or missing time points
  • Introduction to GARCH models for volatility
  • Communicating forecasts and uncertainty to stakeholders

Additional applied practice

  • Reviewing assumptions with domain experts
  • Documenting analysis choices for reproducibility
  • Sensitivity analyses for key modeling decisions
  • Connecting results to the original research or business question

Notes

Undergraduate time series courses vary from ARIMA-focused to spectral-methods light introductions. Applied sections emphasize forecasting in business and economics.