Prediction of Repeat Customers on E-Commerce Platform Based on Blockchain

Table 3

The accuracy and AUC values of five types of ensemble prediction models.

Model	Training set				Test set
	Accuracy		AUC		Accuracy		AUC
	Mean	Variance	Mean	Variance	Mean	Variance	Mean	Variance
XGBoost	0.7762	0.0412	0.6752	0.0408	0.7751	0.0396	0.6744	0.0419
LightGBM	0.7930	0.0398	0.6878	0.0406	0.7908	0.0390	0.6875	0.0404
DeepGBM	0.8664	0.0361	0.7022	0.0356	0.8576	0.0371	0.6991	0.0366
Stacking	0.9080	0.0336	0.7027	0.0319	0.8943	0.0338	0.7023	0.0339
Vote-stacking	0.9128	0.0291	0.7053	0.0302	0.9014	0.0334	0.7050	0.0302