what residual series are normal what does arima residual mean what is residual series in arma model? arima residual series definition what does arima residual series look like what is the fit5 residual series can arima be gaussian arima residual series r what is arima residual series what if residual model looks normal what r residual series look like what is residual series for arma when you fit residual model to arma how to fit a residual series in r if residual series in r are not gaussian what is the answer what if residual model not looks normal what is residual series in arima what is residual model fit5 what does residual mean in r what if the residual series from arima() not looks normal?