Table 2.

Classification with raw samples.

Method	ReliefF optimal features with raw samples
Breast image categories	True positive	True negative	False positive	False negative	Recall rate	Precision	F1-score	Misclassification rate	Accuracy
BI-RADS 1	67	334	0	0	100	100	100	0	100
BI-RADS 2	220	191	0	0	100	100	100	0	100
BI-RADS 3	20	386	1	4	83.3	95.2	88.9	1.2%	98.5
BI-RADS 4A	8	395	3	5	61.5	72.7	66.7	1.9%	98.05
BI-RADS 4B	5	40	2	3	62.5	71.4	66.7	10%	90
BI-RADS 4C	21	382	8	0	100	72.4	84	1.9%	98.05
BI-RADS 5	50	360	1	0	100	98.0	99	0.2%	99.75
BI-RADS 6	5	403	0	3	62.5	100	76.92	0.7%	99.3