Ant Colony Optimization-Based Streaming Feature Selection: An Application to the Medical Image Diagnosis

Table 3

Performance metric comparison of features selected by the proposed approach, OSFS [15], and alpha-investing [16] given as an input to the J48 classifier.

Datasets	Precision			Recall			F1 score			Accuracy
	ACO	OSFS	Alpha	ACO	OSFS	Alpha	ACO	OSFS	Alpha	ACO	OSFS	Alpha	All feats
Iris	96.2	96.2	94.0	96.0	96.0	94.0	96.0	96.0	94.0	96.0	96.0	93.9	93.9
Liver	33.8	33.8	33.8	58.1	58.1	58.1	42.7	42.7	42.7	58.2	58.2	58.2	58.2
Diabetes	74.7	74.6	77.8	75.1	75.1	78.3	73.5	74.8	77.9	75.5	76.1	77.3	77.3
House-votes	95.8	95.4	96.3	95.6	95.4	96.3	95.7	95.4	96.3	95.6	95.3	96.3	84.5
Labor	87.8	73.0	76.7	87.7	73.7	72.7	87.5	73.1	76.7	89.2	75.9	83.5	86.8
Colic-horse	81.7	72.7	77.9	77.7	73.7	76.3	74.0	71.1	73.0	77.8	74.7	76.8	76.4
Lung-cancer	78.5	39.9	50.5	78.1	43.8	50.0	78.0	40.9	50.0	74.1	47.6	48.8	40.8
SPECT	81.8	63.5	45.6	75.0	67.5	67.5	69.1	62.4	54.4	75.0	69.1	66.5	70.4
Clean-musk	99.6	31.9	99.6	99.6	56.5	99.6	99.6	40.8	99.6	99.7	56.5	99.7	99.7
Colon	72.8	76.1	64.5	71.0	74.2	61.3	70.0	74.4	61.7	72.7	74.4	62.1	54.7
Leukemia	59.6	40.6	21.0	59.7	43.1	45.8	59.4	40.8	28.8	55.2	45.8	45.7	36.6
Nci9	61.4	61.4	61.4	78.3	78.3	78.3	68.8	68.8	68.8	78.3	77.8	78.3	73.8
Lymphoma	46.4	41.2	16.7	47.9	41.7	32.3	45.2	41.3	19.5	46.5	40.6	31.8	36.9
Test-lung	49.8	43.5	19.4	47.9	49.3	32.9	48.2	45.7	24.4	48.6	46.7	34.3	46.7