Table 4.

The cross validation results of botanical origin identification based on electronic tongue.

Methods	Error rate (%)			Accuracy(%)
	Raw	Autoscaling	Unitlength	Raw	Autoscaling	Unitlength
CART	47	37	47	80	86	80
LDA	33	33	33	84	85	84
PLSDA	38	28	16	64	76	88