params : array-like
The fitted parameters of the model.
start : int, str, or datetime
Zero-indexed observation number at which to start forecasting, ie.,
the first forecast is start. Can also be a date string to
parse or a datetime type.
end : int, str, or datetime
Zero-indexed observation number at which to end forecasting, ie.,
the first forecast is start. Can also be a date string to
parse or a datetime type. However, if the dates index does not
have a fixed frequency, end must be an integer index if you
want out of sample prediction.
exog : array-like, optional
If the model is an ARMAX and out-of-sample forecasting is
requested, exog must be given.
dynamic : bool, optional
The dynamic keyword affects in-sample prediction. If dynamic
is False, then the in-sample lagged values are used for
prediction. If dynamic is True, then in-sample forecasts are
used in place of lagged dependent variables. The first forecasted
value is start.
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