(Solved):
The notation for a quarterly seasonal ARIMA model with one non-seasonal difference, one seasona ...
The notation for a quarterly seasonal ARIMA model with one non-seasonal difference, one seasonal difference, and one non-seasonal MA term is ARIMA(1,1,1)4?ARIMA(0,1,1)×(0,1,1)12ARIMA(0,1,1)×(0,1,0)4?ARIMA(0,1,1)×(0,1,1)4?