State Space ETS engine defaults

This table lists the default parameter values of the State Space ETS algorithm that are available on the Parameters tab of the Forecast Engines screen:
Field name Default monthly value Default weekly value
Weighted AIC Maximum 4 4
Boundary Constant 3.5 3.5
Confidence Limit 95 95
Decision Criterion AIC AIC
Forecast Test Magnitude 4 4
History Periods Used 24 104
History Trend Damping Factor 0.9 0.9
Initialization Type AVERAGING AVERAGING
Model Form SEASONAL SEASONAL
Level Smoothing Coefficient 0.4 0.4
Periodicity 12 52
Recent History 6 26
Scale Smoothing Coefficient 0.1 0.1
Seasonal smoothing coefficient 0.4 0.4
Seasonal Type ADDITIVE ADDITIVE
Short History 6 26
Minimum Periods for SMP 6 26
Trend Smoothing Coefficient 0.1 0.1
Error Type MULTIPLICATIVE MULTIPLICATIVE