For your retail time series (Exercise 5 above): a. develop an appropriate seasonal ARIMA model; b. compare the forecasts with those you obtained in earlier chapters; c. Obtain up-to-date retail data...


For your retail time series (Exercise 5 above):


a. develop an appropriate seasonal ARIMA model;


b. compare the forecasts with those you obtained in earlier chapters;


c. Obtain up-to-date retail data from the ABS website (Cat 8501.0, Table


11), and compare your forecasts with the actual numbers. How good were the forecasts from the various models?



May 04, 2022
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