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Answers for “平滑常数 alpha 代表什么?”

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The Year 2 forecast is 310 because both the actual demand for Year 1 and the initialized forecast for Year 1 are exactly 310. When a weighted average is calculated using two identical values, the result is that same value, regardless of the weights used.

Conditions: The smoothing constant α\alpha is fixed at 0.4.; The actual demand for Year 1 (A1A_1) is 310.; The initialized forecast for Year 1 (F1F_1) is 310.