Cost-Sensitive Classification for Evolving Data Streams with Concept Drift and Class Imbalance

Table 2

Average G-mean of comparing algorithms.

	VFDT	AUE2	KUE	CSDS
HyperPlane	0.93 ± 0.04 (4)	0.95 ± 0.06 (3)	0.96 ± 0.05 (2)	0.97 ± 0.01 (1)
SEA	0.72 ± 0.10 (4)	0.83 ± 0.12 (3)	0.86 ± 0.22 (2)	0.88 ± 0.01 (1)
LED	0.82 ± 0.02 (4)	0.87 ± 0.07 (1)	0.86 ± 0.06 (2)	0.84 ± 0.02 (3)
Rotating spiral	0.73 ± 0.10 (4)	0.79 ± 0.05 (1)	0.76 ± 0.02 (3)	0.78 ± 0.01 (2)
Spam	0.62 ± 0.08 (4)	0.66 ± 0.02 (3)	0.80 ± 0.04 (2)	0.86 ± 0.02 (1)
Sensor	0.76 ± 0.11 (3)	0.74 ± 0.07 (4)	0.86 ± 0.06 (1)	0.83 ± 0.04 (2)
Electricity	0.60 ± 0.05 (4)	0.64 ± 0.02 (2)	0.62 ± 0.02 (3)	0.73 ± 0.02 (1)
Airlines	0.76 ± 0.07 (3)	0.74 ± 0.08 (4)	0.83 ± 0.07 (1)	0.81 ± 0.03 (2)
Average rank	3.75	2.63	2.00	1.63