Table 2.

The classification accuracies with the different values of K

K	1 (%)	3 (%)	5 (%)	7 (%)	9 (%)
PCA	87.69	86.15	83.85	86.15	86.92
LDA	89.23	94.62	87.69	90.00	88.46
FST	93.08	94.62	87.69	86.15	83.08
FFST	93.08	92.31	96.92	93.85	93.85