What are the 3 components of time series data from decomposition?
(i) T: Trend and Cycle
iiS:Seasonal Components
(ii E:Random Error
(iv)A:Actual Observation
OT,S,E
OS, E, A
OT,S,E,A
O T, E, A
Question 20
For a Simple Exponential Smoothing model,which of the following statements is incorrect?
O SES model can account local trend term
O In ets0 function, we can use ANN" to represent SES model.
O A smaller value of alpha gives a slower adjustment
O h-step ahead point forecast is equal to 1-step ahead forecast.