Table 5 Forecasting result of each model of Ningbo Port.

From: A hybrid container throughput forecasting approach using bi-directional hinterland data of port

Model

MAE

RMSE

MPE

MAPE

SMAPE

Naive

156.48

171.70

6.05

6.05

6.28

ARIMA

205.31

242.71

-7.48

7.48

7.13

ARIMAX

121.89

170.81

3.24

5.08

5.35

u-LSTM

542.65

591.34

19.97

19.97

22.50

m-LSTM

367.96

395.23

13.64

13.64

14.74

u-CNN

102.15

110.97

-3.11

4.00

3.92

u-GRU

224.29

254.25

8.19

8.19

8.62

m-GRU

178.54

194.20

6.85

6.85

7.15

Transformer

353.22

402.16

12.83

12.83

13.92

Proposed Grey-CNN

87.05

118.05

3.08

3.45

3.57