Triple Exponential Smoothing
On this page you will see a description and an example of a triple exponential smoothing.
If you skip the origins of this method, and move directly to the calculations, it is possible to express the triple exponential smoothing:
The general equation is as follows:
Smoothing the trend is as follows:
Smoothing seasonality as follows:
The forecast can be expressed as:
Where,
- A simple value within the range [0, 1]
y - simple observation
S - smoothed value monitoring
b - KOF. trends
I - seasonality index (year, month)
F - forecast by m periods ahead
t - index of current observations
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