ARIMA
A time-series forecasting family built around autoregressive, differencing, and moving-average components.
Glossary
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Models and projections
A time-series forecasting family built around autoregressive, differencing, and moving-average components.
A central forecast path built from current data and model assumptions before extra scenarios are applied.
A simple comparison model used to judge whether a more complex model is actually adding value.
A forecasting family that models level, trend, and seasonal structure directly.
A period kept out of the fit so forecast performance can be checked on data the model did not train on.