Table 12.

The average classification rates are obtained by seven algorithms on twenty-one selected datasets

Dataset	BOA	SOA	HHO	m-HHO	EEGWO	ISCA	VGHHO
Breastcancer	0.9696	0.9710	0.9736	0.9760	0.9668	0.9768	0.9822
BreastEW	0.9572	0.9750	0.9587	0.9617	0.9483	0.9519	0.9736
Clean1	0.8938	0.9363	0.8421	0.9333	0.8683	0.8875	0.9366
Clean2	0.9685	0.9783	0.9722	0.9740	0.9669	0.9626	0.9759
CongressEW	0.9720	0.9720	0.9693	0.9770	0.9627	0.9604	0.9846
Exactly	0.7818	0.9061	0.7167	0.7117	0.7596	0.6909	0.9178
Exactly2	0.7646	0.7606	0.7433	0.7617	0.7606	0.7576	0.7697
HeartEW	0.8165	0.8277	0.8184	0.8272	0.8090	0.8352	0.8642
IonosphereEW	0.8986	0.9478	0.9190	0.9190	0.8898	0.9275	0.9333
KrvskpEW	0.9149	0.9813	0.9515	0.9588	0.8789	0.9408	0.9760
Lymphography	0.8611	0.9097	0.7701	0.9080	0.8681	0.8750	0.9136
M-of-n	0.8242	0.9586	0.8550	0.9067	0.8020	0.8858	0.9200
PenglungEW	0.9028	0.9583	0.9286	0.9286	0.8750	0.9167	0.9583
Semeion	0.9708	0.9853	0.9811	0.9895	0.9695	0.9803	0.9860
SonarEW	0.9069	0.9461	0.9187	0.9593	0.8922	0.8529	0.9293
SpectEW	0.8446	0.8598	0.8930	0.8868	0.8485	0.8788	0.8977
Tic-tac-toe	0.7384	0.7700	0.7801	0.7853	0.7584	0.7690	0.8083
Vote	0.9562	0.9596	1.0000	1.0000	0.9360	0.9528	1.0000
WaveformEW	0.7400	0.7998	0.7440	0.7703	0.7384	0.7331	0.7739
WineEW	0.9712	0.9827	0.9333	1.0000	0.9712	0.9712	1.0000
Zoo	0.9596	0.9596	0.9500	0.9833	0.9596	0.8990	0.9866
Average ranking	5.17	2.60	4.57	2.83	6.07	5.24	1.52
Total ranking	5	2	4	3	7	6	1

The best value of each function is highlighted in bold in the table