Table 5.

Accuracy of the KNN-based methods.

Accuracy (%)	K = 1	K = 2	K = 3	K = 4	K = 5
KNN	93.94	93.94	*95.45	93.94	93.94
LDA + KNN	96.97	*100.00	98.48	98.48	96.97
PCA + KNN	*48.48	39.39	39.39	40.91	25.76
LWNN	*95.45	—	—	—	—