A standard set to monitor sales data for individual items in forecasting models. Usually set to be tripped when the demand for a period differs from the forecast by more than some number of mean absolute deviations.
需求过滤器—预测模型中用来监控各项产品销售数据而设置的标准。当一个时期内需求值与预测值的差异超过平均绝对偏差达到某一特定数值时,需求过滤器通常被设置为松开。
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