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Fix MAAPE formula in documentation #15

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Fix MAAPE formula in documentation #15

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2 changes: 1 addition & 1 deletion docs/source/pages/regression/MAAPE.rst
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Expand Up @@ -18,7 +18,7 @@ MAAPE - Mean Arctangent Absolute Percentage Error

.. math::

MAAPE = \frac{100}{n} \sum_{i=1}^{n} \left|\frac{A_i - F_i}{A_i}\right| \arctan\left(\frac{A_i - F_i}{A_i}\right)
MAAPE = \frac{100}{n} \sum_{i=1}^{n} \arctan\left(\left|\frac{A_i - F_i}{A_i}\right|\right)

where A_i is the i-th actual value, F_i is the i-th forecasted value, and n is the number of observations.

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