In a single exponential smoothing model, one smoothing constant is used to weigh the historical data, and the model is of primary value when the data do not exhibit trend or seasonal components.

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Quizplus · Accepted Answer

Single exponential smoothing is most effective for forecasting data without trends or seasonal patterns, using one smoothing constant to give exponentially decreasing weight to older observations.

In a Single Exponential Smoothing Model, One Smoothing Constant Is