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Mathematical Problems in Engineering
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Mathematical Problems in Engineering
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2019
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Article
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Fig 9
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Research Article
An Application of a Three-Stage XGBoost-Based Model to Sales Forecasting of a Cross-Border E-Commerce Enterprise
Figure 9
Plots of (a) SKU sales with days change, (b) ACF, and (c) PACF.
(a)
(b)
(c)