Table 1. Drift detectors summary.

Drift detector	Drift type	Categories
Page-hinkley test (PHT)	Sudden	Sequential analysis
Cumulative sum (CUSUM)	Sudden	Sequential analysis
Drift detection method (DDM)	Sudden	Learner output
Early drift detection method (EDDM)	Gradual	Learner output
Adaptive windowing (ADWIN)	Gradual	Learner output
Statistical test of equal proportions (STEPD)	Sudden	Learner output
EWMA for concept drift detection (ECDD)	Gradual	Learner output
DDMs based on hoeffding’s (HDDMA)	Sudden	Learner output
DDMs based on hoeffding’s (HDDMW)	Gradual	Learner output
SEED	—	Learner output
SEQ drift 1 and 2	Gradual	Learner output
Reactive drift detection (method RDDM)	—	Learner output