Table 1.

Tests of normality of the features

Features	Kolmogorov-Smirnova			Shapiro-Wilk
	Statistic	df	P	Statistic	df	P
F1	0.094	215	0.000	0.879	215	0.000
F2	0.056	215	0.093	0.981	215	0.006
F3	0.051	215	0.200*	0.975	215	0.001
F4	0.513	215	0.000	0.424	215	0.000
F5	0.435	215	0.000	0.585	215	0.000
F6	0.402	215	0.000	0.616	215	0.000
F7	0.442	215	0.000	0.577	215	0.000

*This is a lower bound of the true significance, ^aLilliefors significance correction