All functions

ARIMA()

Estimate an ARIMA model

ETS()

Exponential smoothing state space model

MEAN()

Mean models

NNETAR()

Neural Network Time Series Forecasts

RW() NAIVE() SNAIVE()

Random walk models

TSLM()

Fit a linear model with time series components

VAR()

Estimate an VAR model

common_xregs

Common exogenous regressors

unitroot_options()

Options for the unit root tests for order of integration