MAE

167. MAE

Average of squared differences between predicted ( ${\hat{𝑦}}_{𝑖}$ ) and actual values ( $𝑦_{𝑖}$ )

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