Question: Use the training set to implement the Holt exponential smoothing method with two sets of user - supplied smoothing parameters, = 0 . 2 0

Use the training set to implement the Holt exponential smoothing method with two sets of user-supplied smoothing parameters, =0.20 and =0.10 and =0.30 and =0.20. Compute the resulting performance measures for the validation set.
Note: Do not round intermediate calculations. Round "MSE" final answers to the nearest whole number and "MAD" , "MAPE" final answers to 2 decimal places.
Reestimate the preferred model with the entire data set to forecast sales for the 101st day.

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