Table 2 Evaluation metrics and their...

Table 2

Evaluation metrics and their expression

Metrics	Expression
MAPE	$MAPE = \frac{1}{n} \sum_{y_{i} \in Y_{n}^{(0)} (t)} \| \frac{{\hat{y}}_{i} - y_{i}}{y_{i}} \| \times 100 %$
RMSE	$RMSE = \sqrt{\frac{1}{n} \sum_{y_{i} \in Y_{n}^{(0)} (t)} {(y_{i} - ({\hat{y}}_{i}))}^{2}}$
MAE	$MAE = \frac{1}{n} \sum_{y_{i} \in Y_{n}^{(0)} (t)} \| {\hat{y}}_{i} - y_{i} \|$
MAAPE	$MAAPE = \frac{1}{n} \sum_{y_{i} \in Y_{n}^{(0)} (t)} \arctan \| (\frac{{\hat{y}}_{i} - y_{i}}{y_{i}}) \|$

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