tsa
ARIMA.
geterrors
Get the errors of the ARMA process.
params : array-like
The fitted ARMA parameters
order : array-like
3 item iterable, with the number of AR, MA, and exogenous parameters, including the trend
statsmodels.tsa.arima_model.ARIMA.from_formula
statsmodels.tsa.arima_model.ARIMA.hessian