Incremental Fuzzy Clustering Based on Feature Reduction

Table 3

Accuracy comparison of four online algorithms.

Datasets	Algorithms	OFRFCM		OFCOM		OHFCM		OFCM
	Index	FM	AC	FM	AC	FM	AC	FM	AC
IR	5%	0.924	0.960	0.882	0.913	0.879	0.875	0.808	0.880
	10%	0.925	0.960	0.887	0.909	0.882	0.878	0.801	0.853
	20%	0.919	0.957	0.896	0.933	0.882	0.879	0.804	0.858
	50%	0.910	0.952	0.908	0.924	0.882	0.879	0.813	0.893
WB	5%	0.825	0.892	0.682	0.694	0.691	0.624	0.695	0.629
	10%	0.732	0.744	0.695	0.707	0.691	0.623	0.695	0.629
	20%	0.873	0.926	0.670	0.698	0.691	0.624	0.695	0.629
	50%	0.826	0.865	0.726	0.760	0.691	0.623	0.695	0.629
WR	5%	0.394	0.387	0.307	0.319	0.277	0.294	0.390	0.338
	10%	0.412	0.391	0.299	0.315	0.269	0.288	0.361	0.304
	20%	0.330	0.350	0.307	0.322	0.276	0.293	0.391	0.345
	50%	0.391	0.343	0.290	0.319	0.276	0.302	0.339	0.332
PB	5%	0.912	0.909	0.861	0.851	0.717	0.712	0.824	0.820
	10%	0.923	0.904	0.860	0.855	0.825	0.824	0.866	0.866
	20%	0.895	0.898	0.896	0.899	0.782	0.780	0.837	0.834
	50%	0.895	0.898	0.875	0.876	0.695	0.686	0.784	0.780
SE	5%	0.553	0.585	0.456	0.540	0.365	0.434	0.411	0.485
	10%	0.557	0.603	0.449	0.526	0.379	0.451	0.442	0.522
	20%	0.611	0.658	0.412	0.527	0.359	0.426	0.451	0.531
	50%	0.609	0.669	0.488	0.551	0.359	0.429	0.424	0.508
GS	5%	0.316	0.351	0.291	0.305	0.299	0.216	0.291	0.305
	10%	0.324	0.365	0.324	0.365	0.282	0.307	0.282	0.307
	20%	0.305	0.324	0.305	0.324	0.285	0.230	0.267	0.320
	50%	0.279	0.353	0.267	0.320	0.286	0.232	0.285	0.230