A Mixed Feature Selection Method Considering Interaction

Table 3

Number and accuracy (%) of features selected with different algorithms (C4.5).

Number	Unselect		INTERACT		NRS		NMI		NIWFS
	Acc.		Acc.		Acc.		Acc.		Acc.
1	63.9	279	62.6^*	22	66.6^*	28	65.0^*	15	69.2	19
2	78.0	25	78.5	8	79.0	14	80.5	12	81.0	7
3	70.8	20	74.6^*	13	74.5^*	5	72.9^*	13	75.4	5
4	76.6	13	79.2^*	10	80.2^*	4	81.2	5	81.8	3
5	50.0	56	65.6^*	6	75.0	3	75.0	2	75.0	2
6	69.7	90	64.4^*	18	67.5	28	65.6^*	28	67.8	19
7	100.0	22	100	5	100.0	5	100.0	4	100.0	6
8	71.2	60	76.9	12	73.1^*	18	76.4^*	20	77.9	16
9	92.4	35	84.3^*	12	91.1	19	90.6	20	91.5	17
10	91.5	60	79.5^*	16	91.3	11	92.0	17	92.8	12
Avg.	76.4	66	76.5	12.2	79.8	13.5	79.9	13.6	81.2	10.6
WTL			0/3/7		0/6/4		0/6/4