Set up exogenous regressors for explanation in a forecast model.
reg_forecast_setup(x, horizon, group)
A list containing
fcast A matrix containing the exogenous observations needed for each observation.
group The list group with the exogenous groups appended.
A matrix with the exogenous variables.
Numeric.
The forecast horizon to explain. Passed to the predict_model
function.
The list of endogenous groups, to append exogenous groups to.