Synonym: Average Percentage Absolute Relative Error (APEAARE) = Average Relative Absolute Percentage Error (AREAAPE)
Statistical metric characterizing the model prediction quality ( goodness of fit ) between the datasets of a given variable
and its estimator LaTeX Math Inline body x
: LaTeX Math Inline body \hat x
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{\rm AAPE} = \frac{100 %1}{N} \, \sum_{k = 1}^N \left| \frac{\hat x_k - x_k}{x_k} \right | |
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