Returns time series of the regression residuals from a fitted ARIMA model.
arima.errors(object)An object containing a time series model of class Arima.
A ts object
This is a deprecated function
which is identical to residuals.Arima(object, type="regression")
Regression residuals are equal to the original data
minus the effect of any regression variables. If there are no regression
variables, the errors will be identical to the original series (possibly
adjusted to have zero mean).