MAPE

171. MAPE

Average percentage difference between predicted ( ${\hat{𝑦}}_{𝑖}$ ) and actual ( $𝑦_{𝑖}$ ) values

MAPE = \frac{100}{𝑛} \sum_{𝑖 = 1}^{𝑛} | \frac{𝑦_{𝑖} - {\hat{𝑦}}_{𝑖}}{𝑦_{𝑖}} |