IWA Publishing

Table 3

Statistical parameters of the integrated WT-EEMD-meta-model approaches for selected stations

Model	Validation			Testing			Validation			Testing
Model	DC	RMSE	AIC	DC	RMSE	AIC	DC	RMSE	AIC	DC	RMSE	AIC
SPI 3	Tabriz						Urmia
WT-EEMD-FFNN	0.838	0.584	−40.854	0.752	0.624	−28.884	0.859	0.441	−80.192	0.832	0.547	−63.683
WT-EEMD-SVM	0.837	0.588	−38.561	0.751	0.620	−34.700	0.858	0.442	−79.651	0.831	0.556	−60.800
WT-EEMD-GPR	0.895	0.542	−50.999	0.871	0.573	−45.782	0.879	0.406	−98.005	0.855	0.448	−77.204
WT-EEMD-GEP	0.848	0.597	−42.898	0.725	0.671	−19.217	0.855	0.519	−76.368	0.784	0.601	−44.093
	Ardabil						Makoo
WT-EEMD-FFNN	0.817	0.640	−51.872	0.778	0.646	−23.115	0.862	0.609	−84.917	0.816	0.624	−50.427
WT-EEMD-SVM	0.816	0.640	−37.888	0.777	0.679	−16.883	0.851	0.646	−79.140	0.808	0.651	−45.485
WT-EEMD-GPR	0.856	0.561	−56.398	0.840	0.590	−26.807	0.865	0.582	−89.842	0.824	0.607	−65.841
WT-EEMD-GEP	0.792	0.673	−28.944	0.749	0.691	−9.698	0.814	0.673	−51.286	0.756	0.714	−34.838
SPI 9	Tabriz						Urmia
WT-EEMD-FFNN	0.880	0.422	−44.761	0.846	0.503	−31.195	0.923	0.380	−101.38	0.864	0.448	−88.403
WT-EEMD-SVM	0.872	0.431	−45.561	0.854	0.499	−39.058	0.878	0.389	−99.606	0.860	0.457	−81.984
WT-EEMD-GPR	0.939	0.378	−64.743	0.927	0.408	−50.445	0.950	0.337	−124.58	0.902	0.385	−100.66
WT-EEMD-GEP	0.856	0.440	−38.313	0.838	0.536	−25.321	0.858	0.423	−75.170	0.829	0.510	−51.460
	Ardabil						Makoo
WT-EEMD-FFNN	0.892	0.527	−54.457	0.873	0.579	−26.074	0.869	0.564	−91.277	0.868	0.569	−88.403
WT-EEMD-SVM	0.873	0.549	−39.585	0.845	0.612	−19.044	0.862	0.601	−85.281	0.856	0.615	−81.667
WT-EEMD-GPR	0.935	0.482	−59.676	0.909	0.510	−30.238	0.917	0.491	−101.71	0.882	0.508	−95.757
WT-EEMD-GEP	0.855	0.606	−33.712	0.795	0.645	−14.939	0.834	0.655	−71.802	0.799	0.687	−40.298
SPI 24	Tabriz						Urmia
WT-EEMD-FFNN	0.913	0.335	−89.254	0.891	0.396	−59.850	0.930	0.282	−105.24	0.909	0.291	−110.25
WT-EEMD-SVM	0.890	0.357	−63.241	0.882	0.388	−58.489	0.944	0.303	−120.87	0.903	0.331	−100.47
WT-EEMD-GPR	0.959	0.298	−96.493	0.943	0.322	−76.846	0.959	0.227	−138.09	0.934	0.265	−115.89
WT-EEMD-GEP	0.888	0.364	−52.550	0.862	0.403	−37.790	0.953	0.289	−125.24	0.901	0.344	−89.190
	Ardabil						Makoo
WT-EEMD-FFNN	0.905	0.373	−89.254	0.888	0.415	−64.643	0.930	0.379	−132.34	0.913	0.430	−111.24
WT-EEMD-SVM	0.897	0.400	−64.048	0.889	0.442	−47.216	0.925	0.386	−128.47	0.904	0.453	−108.87
WT-EEMD-GPR	0.956	0.347	−84.208	0.922	0.388	−74.968	0.941	0.356	−145.89	0.921	0.386	−117.10
WT-EEMD-GEP	0.886	0.418	−35.363	0.880	0.442	−42.503	0.895	0.409	−101.19	0.885	0.493	−93.248

Model	Validation			Testing			Validation			Testing
Model	DC	RMSE	AIC	DC	RMSE	AIC	DC	RMSE	AIC	DC	RMSE	AIC
SPI 3	Tabriz						Urmia
WT-EEMD-FFNN	0.838	0.584	−40.854	0.752	0.624	−28.884	0.859	0.441	−80.192	0.832	0.547	−63.683
WT-EEMD-SVM	0.837	0.588	−38.561	0.751	0.620	−34.700	0.858	0.442	−79.651	0.831	0.556	−60.800
WT-EEMD-GPR	0.895	0.542	−50.999	0.871	0.573	−45.782	0.879	0.406	−98.005	0.855	0.448	−77.204
WT-EEMD-GEP	0.848	0.597	−42.898	0.725	0.671	−19.217	0.855	0.519	−76.368	0.784	0.601	−44.093
	Ardabil						Makoo
WT-EEMD-FFNN	0.817	0.640	−51.872	0.778	0.646	−23.115	0.862	0.609	−84.917	0.816	0.624	−50.427
WT-EEMD-SVM	0.816	0.640	−37.888	0.777	0.679	−16.883	0.851	0.646	−79.140	0.808	0.651	−45.485
WT-EEMD-GPR	0.856	0.561	−56.398	0.840	0.590	−26.807	0.865	0.582	−89.842	0.824	0.607	−65.841
WT-EEMD-GEP	0.792	0.673	−28.944	0.749	0.691	−9.698	0.814	0.673	−51.286	0.756	0.714	−34.838
SPI 9	Tabriz						Urmia
WT-EEMD-FFNN	0.880	0.422	−44.761	0.846	0.503	−31.195	0.923	0.380	−101.38	0.864	0.448	−88.403
WT-EEMD-SVM	0.872	0.431	−45.561	0.854	0.499	−39.058	0.878	0.389	−99.606	0.860	0.457	−81.984
WT-EEMD-GPR	0.939	0.378	−64.743	0.927	0.408	−50.445	0.950	0.337	−124.58	0.902	0.385	−100.66
WT-EEMD-GEP	0.856	0.440	−38.313	0.838	0.536	−25.321	0.858	0.423	−75.170	0.829	0.510	−51.460
	Ardabil						Makoo
WT-EEMD-FFNN	0.892	0.527	−54.457	0.873	0.579	−26.074	0.869	0.564	−91.277	0.868	0.569	−88.403
WT-EEMD-SVM	0.873	0.549	−39.585	0.845	0.612	−19.044	0.862	0.601	−85.281	0.856	0.615	−81.667
WT-EEMD-GPR	0.935	0.482	−59.676	0.909	0.510	−30.238	0.917	0.491	−101.71	0.882	0.508	−95.757
WT-EEMD-GEP	0.855	0.606	−33.712	0.795	0.645	−14.939	0.834	0.655	−71.802	0.799	0.687	−40.298
SPI 24	Tabriz						Urmia
WT-EEMD-FFNN	0.913	0.335	−89.254	0.891	0.396	−59.850	0.930	0.282	−105.24	0.909	0.291	−110.25
WT-EEMD-SVM	0.890	0.357	−63.241	0.882	0.388	−58.489	0.944	0.303	−120.87	0.903	0.331	−100.47
WT-EEMD-GPR	0.959	0.298	−96.493	0.943	0.322	−76.846	0.959	0.227	−138.09	0.934	0.265	−115.89
WT-EEMD-GEP	0.888	0.364	−52.550	0.862	0.403	−37.790	0.953	0.289	−125.24	0.901	0.344	−89.190
	Ardabil						Makoo
WT-EEMD-FFNN	0.905	0.373	−89.254	0.888	0.415	−64.643	0.930	0.379	−132.34	0.913	0.430	−111.24
WT-EEMD-SVM	0.897	0.400	−64.048	0.889	0.442	−47.216	0.925	0.386	−128.47	0.904	0.453	−108.87
WT-EEMD-GPR	0.956	0.347	−84.208	0.922	0.388	−74.968	0.941	0.356	−145.89	0.921	0.386	−117.10
WT-EEMD-GEP	0.886	0.418	−35.363	0.880	0.442	−42.503	0.895	0.409	−101.19	0.885	0.493	−93.248

View Large

This Feature Is Available To Subscribers Only