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This little-known but serious issue can be overcome by using an accuracy measure based on the logarithm of the accuracy ratio (the ratio of the predicted to actual value), given by (). This approach leads to superior statistical properties and also leads to predictions which can be interpreted in terms of the geometric mean.
A forecast bias occurs when there are consistent differences between actual outcomes and previously generated forecasts of those quantities; that is: forecasts may have a general tendency to be too high or too low. A normal property of a good forecast is that it is not biased. [1]
Tracking signal. In statistics and management science, a tracking signal monitors any forecasts that have been made in comparison with actuals, and warns when there are unexpected departures of the outcomes from the forecasts. Forecasts can relate to sales, inventory, or anything pertaining to an organization's future demand.
Safety stock is held when uncertainty exists in demand, supply, or manufacturing yield, and serves as an insurance against stockouts. Safety stock is an additional quantity of an item held in the inventory to reduce the risk that the item will be out of stock. It acts as a buffer stock in case sales are greater than planned and/or the supplier ...
Demand forecastingis the prediction of the quantity of goods and services that will be demanded by consumers at a future point in time.[1] More specifically, the methods of demand forecasting entail using predictive analyticsto estimate customer demand in consideration of key economic conditions. This is an important tool in optimizing business ...
The Association for Supply Chain Management ( ASCM) is a not-for-profit international educational organization offering certification programs, training tools, and networking opportunities to increase workplace performance. Formed in 1957, it was originally known as the "American Production and Inventory Control Society" or APICS.
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