When using R to perform the Holt-Winters exponential smoothing method, in forecast, we use ____ function with the model inputs of 'AAA' and 'AAM'.
A) ts
B) window
C) ets
D) fAdd

Question

Quizplus · Accepted Answer

The correct function to use with the Holt-Winters exponential smoothing method in R, especially when specifying model inputs like 'AAA' and 'AAM', is the `ets` function. This function is part of the `forecast` package and is designed to automatically select an exponential smoothing model (including Holt-Winters models) based on given data and criteria, where 'AAA' and 'AAM' refer to specific types of error, trend, and seasonality models within the exponential smoothing framework.

When Using R to Perform the Holt-Winters Exponential Smoothing Method