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Question
In the context of a fairly stable time series with relatively little random variability, which of the following statements is true of single exponential smoothing (SES)?
a. Values of the smoothing constant larger than 0.5 place more emphasis on recent data.
b. Exponential smoothing models completely forget past data if the smoothing constant is strictly between 0 and 1.
c. Typical values for the smoothing constant are in the range of 1 to 1.5.
d. Values of the smoothing constant smaller than 0.1 allow a forecast to react faster to changing conditions.
Answer
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