2.6.Methods of Forecasting Stationary Series 100 Smaller a turns out a 90 stable forecast,while 80 larger a results in better 70 track of series 60 8 0 10 0 12345678910111213141516171819202122232425 Time -Demand ES(.4) ES(.1) Fig.2-6 Exponential Smoothing for Different Values of AlphaFig.2-6 Exponential Smoothing for Different Values of Alpha Smaller  turns out a stable forecast, while larger  results in better track of series 2.6. Methods of Forecasting Stationary Series