Excel time series forecasting

This post will walk through the three fundamental steps of building a quality time series model: making data stationary, selecting the right model, and evaluating model accuracy .

The most popular statistical method for time series forecasting is the ARIMA (Autoregressive Integrated Moving Average) family with AR, MA, ARMA, ARIMA, ARIMAX, and SARIMAX methods .

There are three basic types—qualitative techniques, time series analysis and projection, and causal models .

Four common types of forecasting models