Table 4.

F-measures of grid search with parameters γ and C using RBF kernel

		γ
		2-1	2-2	2-3	2-4	2-5	2-6
C	21	0.8740	0.8762	0.8729	0.8630	0.8583	0.8524
	22	0.8736	0.8757	0.8750	0.8686	0.8603	0.8560
	23	0.8843	0.8742	0.8759	0.8743	0.8656	0.8594
	24	0.8899	0.8849	0.8790	0.8784	0.8721	0.8663
	25	0.8951	0.8960	0.8859	0.8792	0.8798	0.8708
	26	0.8926	0.8966	0.8971	0.8854	0.8807	0.8784
	27	0.8853	0.9008	0.8956	0.8970	0.8806	0.8810
	28	0.8808	0.8965	0.8945	0.9009	0.8898	0.8826
	29	0.8790	0.8802	0.8977	0.8999	0.8972	0.8868
	210	0.8715	0.8741	0.8939	0.8945	0.9016	0.8935
	211	0.8659	0.8669	0.8808	0.8940	0.9018	0.8970
	212	0.8641	0.8640	0.8713	0.8953	0.8945	0.9002

Results in underlined cells do not significantly differ than results of C = 2¹¹, γ = 2^-5.