Research on the Forecast of the Combined GRU Model Based on the Optimized Bat Algorithm in the Bank Transaction Volume

Table 4

Comparison of optimization accuracy in 50 dimensions among all algorithms.

Function		BA	HSBA	BAGW	dBA	SABA	ESCBA
f1	Best	19.9643	10.0628	19.9628	4.4953	2.28E − 09	1.80E − 11
	Worst	19.9668	15.4746	19.9648	19.9668	1.89E − 07	1.16E − 08
	Mean	19.9652	13.4656	19.9645	8.0741	3.78E − 08	2.01E − 09
	Std	5.46E − 04	1.3904	4.94E − 04	4.5963	4.56E − 08	2.59E − 09
f2	Best	172.5732	0.4679	1.08E − 03	4.47E − 05	9.37E − 14	1.55E − 15
	Worst	530.4195	1.145	4.6493	0.0175	0.0344	4.10E − 10
	Mean	320.3457	0.9123	0.3484	6.57E − 03	0.003	3.59E − 11
	Std	96.8166	0.1757	0.9989	7.27E − 03	0.0071	9.07E − 01
f3	Best	605.8356	360.5412	177.8822	297.5844	2.06E − 13	2.84E − 13
	Worst	1.36E + 03	685.127	526.9451	538.5685	2.0008	8.29E − 10
	Mean	1.04E + 03	507.1378	334.6462	430.5927	0.242	1.59E − 10
	Std	175.8792	83.0607	86.3076	66.059	0.6215	2.74E − 10
f4	Best	0.044	0.5955	7.96E − 03	9.78E − 04	1.38E − 16	6.87E − 32
	Worst	3.8593	24.8722	0.0268	9.77E − 03	3.45E − 12	3.03E − 13
	Mean	0.2882	3.9364	0.0158	4.41E − 03	1.18E − 13	1.23E − 14
	Std	0.7518	5.2077	4.91E − 03	2.61E − 03	5.17E − 13	6.05E − 14
f5	Best	2.0848	5.8794	1.529	0.4796	1.25E − 05	1.09E − 12
	Worst	7.66E + 08	34.682	9.62E + 09	3.9149	0.1548	1.79E − 05
	Mean	4.29E + 07	15.5104	4.00E + 08	1.1988	0.0124	3.48E − 06
	Std	1.57E + 08	8.0402	1.92E + 09	0.7185	0.0301	5.54E − 06
f6	Best	174.4835	−201.8228	−178.8785	−212.3889	−330	−330
	Worst	359.0934	−31.9945	64.8509	−91.7885	−328.0098	−330
	Mean	278.8857	−128.393	−60.2807	−148.2952	−329.8386	−330
	Std	46.8769	43.0127	5.53E + 01	29.8312	0.4647	2.61E − 09
f7	Best	447.9727	856.3206	435.6838	434.0916	390	390
	Worst	8.90E + 04	1.10E + 04	6.03E + 03	1.47E + 03	541.1077	390
	Mean	7.10E + 03	2.69E + 03	1.12E + 03	574.5079	431.3087	390
	Std	2.09E + 04	2.32E + 03	1.54E + 03	206.452	29.0897	5.77E − 06
f8	Best	1.17E + 03	2.92E + 03	−382.2297	−419.309	−448.3683	−450
	Worst	4.81E + 04	2.27E + 04	−261.4164	−383.9354	−344.2566	−449.1829
	Mean	1.56E + 04	1.19E + 04	−347.715	−406.4232	-425.8122	−449.937
	Std	1.04E + 04	6.16E + 03	27.0176	9.0109	20.4383	0.1762
f9	Best	−449.9699	−449.2918	−449.993	−449.9995	−450	−450
	Worst	1.03E + 03	−355.2089	-449.9705	−449.9902	−450	−450
	Mean	−386.1564	−439.1937	−449.9851	−449.9964	−450	−450
	Std	295.4655	18.5233	5.14E − 03	2.28E − 03	1.20E − 12	2.88E − 08