Question

what is the mean absolute percentage error for the exponential smoothing forecast (alpha = 0.1) for Product A?
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Answer 1

Answer:

ALPHA is the smoothing parameter that defines the weighting and should be greater than 0 and less than 1. ALPHA equal 0 sets the current smoothed point to the previous smoothed value and ALPHA equal 1 sets the current smoothed point to the current point (i.e., the smoothed series is the original series).