Ensemble Classification Based on Feature Selection for Environmental Sound Recognition

Table 4

Accuracy of different feature selection methods at k = 1/2 of subsets on five classes.

Methods	Bird	Wind	Rain	Frog	Thunder
Correlation	0.607	0.7028	0.5915	0.5808	0.6705
GainRatio	0.6124	0.7206	0.5313	0.6646	0.703
InfoGain	0.6169	0.7606	0.5936	0.6458	0.705
OneR	0.6418	0.6923	0.5769	0.6433	0.7236
ReliefF	0.5743	0.7321	0.5604	0.5758	0.587
SymmetricalUncert	0.6119	0.7634	0.5909	0.6458	0.7015
csFs	0.6419	0.7012	0.5676	0.5914	0.7005
MmEnFs1	0.765	0.79	0.695	0.655	0.765
MmEnFs2	0.785	0.805	0.77	0.635	0.785