Weighted Domain Transfer Extreme Learning Machine and Its Online Version for Gas Sensor Drift Compensation in E-Nose Systems

Table 2

Comparisons of classification accuracy in 9 batches.

Batch number	Accuracy (%)
	Ensemble; SVM	Ensemble; ELM	SVM; -rbf	ELM; -rbf	DAELM; (30)	DAELM; (50)	WDTELM; (<30)	WDTELM; (<48)
	77.4	75.3	58.5	76.8	85.5	96.2	90.2	98.2
	74.8	76.9	66.9	75.4	94.0	98.8	90.1	94.6
	72.0	64.5	74.5	69.8	100	100	100	100
	65.9	96.0	44.2	56.6	99.5	100	98.9	99.5
	71.3	71.3	58.3	62.0	73.4	82.1	95.3	98.5
	55.1	68.8	68.9	68.0	64.3	79.8	78.1	84.7
	42.9	81.8	60.5	87.7	94.6	97.6	94.6	97.3
	56.6	49.6	50.9	40.0	100	100	99.1	100
	32.9	49.4	18.4	19.3	41.5	55.8	62.6	64.6
Ave.	64.1	72.5	55.7	61.7	83.8	90.1	89.9	93.0