Tag: Foresight Kolassa Martin MAPE

Mike Gilliland 0
Tumbling dice

Mean Absolute Percent Error (MAPE) is the most commonly used forecasting performance metric, and for good reason, the most disparaged. When we compute the absolute percent error the usual way, as APE = | Forecast - Actual | / Actual this is undefined when Actual = 0.  It can also lead to