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