Table 3.

Standard deviation of accuracy for different classifiers.

Classifier	Single Classifier			Heterogeneous Ensemble		Homogeneous Ensemble
	SVM	HMM	RBF	SVM stacking	Majority Voting	SVM	HMM	RBF
Deviation (%)	4.77	2.39	4.09	0.22	0.96	2.3	2.04	0.81