Exponential Smoothing: Definition of Simple, Double and Triple

SOLVED:With the gasoline time series data from Table 18.1, show the exponential smoothing forecasts using α=.1 a. Applying the MSE measure of forecast accuracy, would you prefer a smoothing constant of α=.1 or α=.2 for the gasoline sales time series? b. Are the results the same if you apply MAE as the measure of accuracy? c. What are the results if MAPE is used?

Time Series Analysis

The Complete Guide to Time Series Models | Built In