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Table 3 Evaluation index

From: Traffic flow prediction based on depthwise separable convolution fusion network

\(MAE = \frac{1}{N}\sum\limits_{n = 1}^{N} {\left| {y_{n} - \overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\frown}$}}{y}_{n} } \right|}\)

\(RAE = \frac{{\sum\limits_{n = 1}^{N} {\left| {\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\frown}$}}{y}_{n} - y_{n} } \right|} }}{{\sum\limits_{n = 1}^{N} {\left| {y_{n} - \overline{y}_{n} } \right|} }}\)

\(RMSE = \sqrt {\frac{1}{N}\sum\limits_{n = 1}^{N} {\left( {y_{n} - \overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\frown}$}}{y}_{n} } \right)^{2} } }\)

\(RRSE = \frac{{\sqrt {\sum\limits_{n = 1}^{N} {\left( {y_{n} - \overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\frown}$}}{y}_{n} } \right)^{2} } } }}{{\sum\limits_{n = 1}^{N} {\left( {y_{n} - \overline{y}_{n} } \right)^{2} } }}\)

\(MAPE = \frac{100}{N}\sum\limits_{n = 1}^{N} {\left| {\frac{{y_{n} - \overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\frown}$}}{y}_{n} }}{{y_{n} }}} \right|}\)

\(R2 = 1 - \frac{{\sum\limits_{n = 1}^{N} {\left( {y_{n} - \overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\frown}$}}{y}_{n} } \right)^{2} } }}{{\sum\limits_{n = 1}^{N} {\left( {y_{n} - \overline{y}_{n} } \right)^{2} } }}\)