Table 2.

Machine classification results: All classes.

	Classifier
Feature		NB	DT	SVM	RF
Set1	P	0.694	0.635	0.692	0.672
	R	0.681	0.641	0.689	0.667
	F	0.681	0.637	0.682	0.664
Set2	P	0.683	0.620	0.698	0.703
	R	0.667	0.622	0.696	0.702
	F	0.667	0.620	0.689	0.696
Set3	P	0.694	0.638	0.690	0.708
	R	0.679	0.642	0.686	0.707
	F	0.680	0.636	0.680	0.702
Combined	P	0.674	0.622	0.695	0.732
	R	0.659	0.617	0.689	0.729
	F	0.658	0.617	0.690	0.728
PCA	P	0.607	0.552	0.594	0.647
(combined)	R	0.561	0.547	0.586	0.591
	F	0.563	0.549	0.581	0.591