[Retracted] Research on Crude Oil Trade Procurement Model Based on DEA-Malmquist Algorithm

Table 2

The accuracy of oil trade of different neural networks on different regions.

	R1	R2	R3	R4
Proposed	0.82	0.88	0.75	0.55
RNN	0.66	0.75	0.62	0.41
Bi-RNN	0.68	0.73	0.65	0.33
LSTM	0.72	0.78	0.68	0.44
Bi-LSTM	0.80	0.75	0.70	0.29