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

Table 1

Description of the datasets.

Data stream	# Inst	# Attrs	# Cls	IR	Drift
HyperPlane	1 m	10	2	5	Gradual
SEA	1 m	3	4	10	Sudden, recurring
LED	1 m	24	10	3	Mixted
Rotating spiral	1 m	40	3	19	None
Spam	9324	500	7	4	Unkown
Sensor	2219803	5	54	54	Unkown
Electricity	45312	10	10	1	Unkown
Airlines	539 383	7	2	2	Unknown