Application of Data Mining Technology on Surveillance Report Data of HIV/AIDS High-Risk Group in Urumqi from 2009 to 2015

Table 5

Description of original data and balanced data.

Dataset	Minority class	Majority class	Samples in total	Imbalance rate
MSM (original)	377	4927	5304	13.0689
MSM (SMOTE)	4901	4976	9877	1.0153
FSW (original)	49	9041	9090	184.5102
FSW (SMOTE)	9849	9898	19,747	1.0049
IDU (original)	1250	6087	7337	4.8696
IDU (SMOTE)	6250	6300	12,550	1.008