MAPE meaning in Academic & Science ?

Academic & Science Miscellaneous in Academic & Science . 4 months ago

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What is Mean Absolute Percentage Error mean?

The mean absolute percentage error (MAPE), also known as mean absolute percentage deviation (MAPD), is a measure of prediction accuracy of a forecasting method in statistics. It usually expresses the accuracy as a ratio defined by the formula:

MAPE = 100 n ∑ t = 1 n | A t − F t A t | {\displaystyle {\mbox{MAPE}}={\frac {100}{n}}\sum _{t=1}^{n}\left|{\frac {A_{t}-F_{t}}{A_{t}}}\right|}

where At is the actual value and Ft is the forecast value. Their difference is divided by the actual value At. The absolute value in this ratio is summed for every forecasted point in time and divided by the number of fitted points n.

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Posted on 12 Sep 2024, this text provides information on Academic & Science related to Miscellaneous in Academic & Science. Please note that while accuracy is prioritized, the data presented might not be entirely correct or up-to-date. This information is offered for general knowledge and informational purposes only, and should not be considered as a substitute for professional advice.

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