Table 4. Results of the Genetic Algorithm when searching for the best subset of features.

$\lambda$	No. different comb	Comb. with highest freq.	Freq. of comb.	Relative freq. (%)
2	3	17,28	16	53.3
3	2	17,27,29	23	76.7
4	1	2,20,27,28	30	100.0
5	2	3,20,27,28,32	29	96.7
6	2	3,7,20,27,28,32	26	86.7
7	3	3,7,20,23,27,28,32	24	80.0
8	4	3,7,20,22,23,27,28,32	19	63.3
9	3	3,7,19,20,22,23,27,28,32	24	80.0
10	3	2,3,7,19,20,22,23,27,28,32	21	70.0