Research Article

[Retracted] Economic Decision-Making Algorithm for Cross-Border Industrial E-Commerce Material Purchase Quantity Based on Markov Chain

Table 5

2011–2018 model accuracy comparison.

Value yearActual value (kt)Gray G.M. (1, 1) modelMarkov optimization
Predicted value (kt)Relative errorPredicted value (kt)Relative error

20111027872.121027872.120.00001020522.830.0071
20121169785.691127537.580.03611153019.930.0143
20131128610.971135117.090.01251127001.010.0014
20141123319.161142747.550.01731134576.910.0100
20151171211.301150429.300.01771176429.010.0045
20161097845.741158162.700.05491151944.860.0491
20171133855.871165948.070.02511122691.400.0098
20181182999.361173785.780.03761200313.340.0146
Mean0.02380.0139