Question: 2). Use the Forecast ETS function to generate predictions for each month in 2003 based on the data from 1997-2002 (i.e, notrolling forward for each

2). Use the Forecast ETS function to generate predictions for each month in 2003 based on the data from 1997-2002(i.e, not"rolling" forward for each forecast), and do not specify the length of the season(here we will let the tool guess). Compute the mean absolute deviation(MAD)of the forecast errors for 2003.

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