Table 4. Comparison of accuracy and F1 metrics of evaluated ensemble models on the real data streams.

	DDCWHT	DDCWHTNB	DWMNB	AWENB	DWMHT	AWEHT	OBkNN	OzakNN	OBHT	OzaHT	OBNB	OzaNB	ARFHT	KUEHT
Accuracy
ELEC	0.853	0.810	0.800	0.756	0.869	0.788	0.765	0.780	0.858	0.793	0.792	0.734	0.857	0.668
KDD99	0.995	0.991	0.983	0.420	0.989	0.103	0.999	0.998	0.998	0.995	0.995	0.946	0.999	0.999
AIRL	0.662	0.649	0.640	0.618	0.620	0.575	0.587	0.639	0.634	0.653	0.619	0.644	0.666	0.663
COVT	0.853	0.810	0.823	0.592	0.812	0.215	0.927	0.918	0.876	0.871	0.783	0.871	0.941	0.904
SHUTTLE	0.996	0.992	0.896	0.949	0.946	0.949	0.990	0.991	0.982	0.978	0.950	0.922	0.998	0.997
POWERSUPLY	0.158	0.158	0.074	0.186	0.074	0.187	0.029	0.167	0.013	0.162	0.007	0.161	0.156	0.218
CONNECT4	0.719	0.705	0.671	0.286	0.693	0.613	0.702	0.728	0.675	0.696	0.636	0.572	0.739	0.650
BNG_BRIDGES	0.737	0.725	0.611	0.698	0.612	0.698	0.621	0.670	0.699	0.750	0.687	0.684	0.756	0.738
BNG_BRIDGES1vsAll	0.970	0.966	0.962	0.967	0.962	0.967	0.936	0.958	0.970	0.973	0.957	0.962	0.973	0.958
BNG_HEPATITIS	0.909	0.897	0.854	0.877	0.856	0.913	0.839	0.884	0.913	0.920	0.868	0.853	0.922	0.923
BNG_ZOO	0.928	0.921	0.812	0.913	0.806	0.913	0.909	0.927	0.931	0.915	0.903	0.889	0.942	0.939
BNG_LYMPH	0.883	0.878	0.801	0.825	0.802	0.825	0.787	0.828	0.846	0.809	0.818	0.806	0.871	0.903
F1
ELEC	0.826	0.760	0.749	0.694	0.852	0.757	0.721	0.730	0.828	0.744	0.722	0.595	0.825	0.668
KDD99	0.587	0.549	0.502	0.045	0.397	0.029	0.712	0.642	0.593	0.645	0.577	0.530	0.649	NaN
AIRL	0.556	0.535	0.320	0.293	0.534	0.425	0.436	0.430	0.563	0.522	0.534	0.259	0.577	NaN
COVT	0.826	0.760	0.594	0.156	0.569	0.085	0.740	0.718	0.721	0.675	0.626	0.679	0.779	NaN
SHUTTLE	0.611	0.702	0.397	0.398	0.446	0.399	0.517	0.435	0.623	0.452	0.530	0.621	0.677	NaN
POWERSUPLY	0.113	0.110	0.066	0.134	0.066	0.134	0.034	0.161	0.106	0.014	0.009	0.107	0.149	NaN
CONNECT4	0.470	0.464	0.466	0.272	0.437	0.382	0.587	0.517	0.431	0.406	0.420	0.381	0.496	0.506
BNG_BRIDGES	0.649	0.635	0.515	0.601	0.515	0.601	0.527	0.567	0.611	0.669	0.599	0.596	0.673	0.656
BNG_BRIDGES1vsAll	0.895	0.883	0.871	0.886	0.869	0.886	0.790	0.857	0.899	0.906	0.852	0.872	0.906	0.915
BNG_HEPATITIS	0.943	0.935	0.904	0.921	0.907	0.922	0.898	0.929	0.945	0.950	0.914	0.902	0.952	0.887
BNG_ZOO	0.860	0.853	0.714	0.832	0.704	0.832	0.824	0.855	0.865	0.844	0.821	0.821	0.887	0.882
BNG_LYMPH	0.740	0.752	0.610	0.603	0.609	0.603	0.602	0.584	0.735	0.658	0.679	0.659	0.636	0.827