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

Table 3

Comparison of optimization accuracy in 30 dimensions among all algorithms.

Function		BA	HSBA	BAGW	dBA	SABA	ESCBA
f1	Best	17.7596	4.2553	0.9103	3.251	1.30E − 10	1.33E − 14
	Worst	19.9668	13.8567	19.9652	19.9668	5.09E − 10	2.45E − 10
	Mean	19.7401	9.8034	19.004	4.5794	2.87E − 10	3.53E − 11
	Std	0.5893	2.3872	3.8096	3.2719	7.32E − 11	5.53E − 11
f2	Best	70.93	5.71E − 03	1.30E − 04	4.93E − 10	4.44E − 16	0
	Worst	299.824	0.0918	0.0224	0.0221	0.0295	1.11E − 15
	Mean	167.9349	0.033	5.68E − 03	7.68E − 03	0.0037	3.91E − 16
	Std	56.9986	0.0238	7.52E − 03	7.92E − 03	0.007	3.89E − 16
f3	Best	317.0197	169.1424	49.2816	115.9538	8.88E − 15	0
	Worst	806.1842	406.9305	236.1797	288.302	0.995	2.27E − 13
	Mean	526.4121	278.6654	139.8219	218.8277	0.0404	2.96E − 14
	Std	133.5952	61.605	39.6879	50.9537	0.1969	5.94E − 01
f4	Best	0.0101	2.05E − 04	4.75E − 04	7.90E − 09	1.70E − 19	1.90E − 27
	Worst	0.194	0.0104	4.65E − 03	2.30E − 05	5.17E − 18	3.39E − 20
	Mean	0.0543	2.39E − 03	2.27E − 03	1.61E − 06	1.31E − 18	1.36E − 21
	Std	0.0465	2.56E − 03	8.60E − 04	4.65E − 06	8.66E-19	6.78E − 02
f5	Best	1.0537	0.1848	0.2578	1.30E − 03	5.40E − 10	7.32E − 14
	Worst	5.82E + 05	21.1952	258.5819	0.9999	2.91E − 04	8.23E − 06
	Mean	2.41E + 04	4.1951	24.0055	0.0728	1.70E − 05	3.73E − 07
	Std	1.16E + 05	4.8816	60.459	0.1988	5.52E − 05	1.64E − 06
f6	Best	−78.6817	−276.2715	−261.0051	−290.2633	−330	−330
	Worst	63.6291	−196.6759	−149.453	−162.8861	−329.005	−330
	Mean	−2.8249	−224.5311	−198.5203	−237.9454	−329.9801	−330
	Std	33.7651	20.2644	37.5409	26.9607	0.1407	6.46E − 14
f7	Best	414.8215	414.4444	413.0764	407.6861	390.0006	390
	Worst	2.36E + 03	1.19E + 03	9.54E + 03	706.0761	467.0134	390
	Mean	660.7911	524.9373	1.40E + 03	468.4775	408.4709	390
	Std	438.4634	175.1471	2.12E + 03	101.6758	15.6599	2.54E − 08
f8	Best	−442.9437	−333.7772	−449.6903	−449.7759	−450	−450
	Worst	3.46E + 03	2.90E + 03	−448.4075	−449.0023	−449.5068	−449.9856
	Mean	571.2265	496.6318	−449.1955	−449.4091	−449.9609	−449.9969
	Std	1.04E + 03	915.4484	0.3811	0.2215	0.0791	4.77E-03
f9	Best	−449.986	−449.9996	−449.9992	−450	−450	−450
	Worst	−449.8731	−449.9402	−449.9953	−450	−450	−450
	Mean	−449.9543	−449.9941	−449.9977	−450	−450	−450
	Std	0.0303	0.0121	8.61E − 04	6.21E − 06	1.20E − 13	4.64E − 14