Single Exponential Smoothing

Predictor uses the following formulas for single exponential smoothing:

(Initialization) F₁ = 0, F₂ = Y₁

(Fit) F_t = α * Y_t-1 + (1–α) * F_t-1

(Forecast for period m) F_t+m = F_t

Note:

First fit is available from period 2.