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Symmetric MAPE

Symmetric Mean Absolute Percentage Error is a refinement of MAPE that addresses its asymmetry by using the average of actual and predicted values as the denominator. Proposed by J. Scott Armstrong and refined by Makridakis (1993) and Hyndman & Koehler (2006), sMAPE treats over- and under-predictions symmetrically.

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Symmetric Mean Absolute Percentage Error

Taksonoomiline meetodikirje · mcdm / model-evaluation

Armstrong, J. S. (1985). Long-range forecasting: from crystal ball to computer (2nd ed.). New York: John Wiley & Sons. · ISBN 978-0471082010
Hyndman, R. J., & Koehler, A. B. (2006). Another look at measures of forecast accuracy. International Journal of Forecasting, 22(4), 679-688. · DOI 10.1016/j.ijforecast.2006.03.001
Makridakis, S. (1993). Accuracy measures for a robust comparison of forecasting methods. International Journal of Forecasting, 9(4), 679-688. · URL

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Same method familyMean Absolute Errormachine-suggested · Relational suggestion, not evidence.Taxonomic bucketMean Absolute Percentage Errormachine-suggested · Relational suggestion, not evidence.Same method familyMean Absolute Scaled Errormachine-suggested · Relational suggestion, not evidence.Same method familyRoot Mean Squared Errormachine-suggested · Relational suggestion, not evidence.