Table 5. Best results obtained with k-NN, SVM and ELM with statistical significance tests.

	k-NN (1)	SVM (2)	ELM (3)	Statistical Significance 1–2	Statistical Significance 1–3	Statistical Significance 2–3
Accu. (%)	94.99	96.43	91.93	**	**	*
MCC	0.65	0.77	0.56	*	*	*

Paired t-test:

** p < 0.01;

* p < 0.05