Holt Winters
The Holt-Winters functions produces a smoothed value for time series based on the range in the time series, accounting for seasonal adjustments. Implements the Holt-Winters method of exponentially-weighted averages as smoothing factors.
- sf
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The smoothing factor, where lower values weigh towards the importance of older data.
Valid values for this scalar parameter must be between 0 and 1.
- tf
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The trend factor, where higher values weigh in favor of trends in the time series.
Valid values for this scalar parameter must be between 0 and 1.
