The Myth of the MAPE . . . and how to avoid it
نویسنده
چکیده
Demand planners in supply chain organizations are accustomed to using the Mean Absolute Percentage Error (MAPE) as their best answer to measuring forecast accuracy. It is so ubiquitous that it is hardly questioned. I do not even find a consensus on the definition of the underlying forecast error among supply chain practitioners participating in the demand forecasting workshops I conduct worldwide.
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