Table 8.

Fitness function based outcomes for the different combinations of GRU.

Algorithm	Best	Worst	Mean	Median	SD	Variance
GRU + PSO	0.73490	0.65483	0.72010	0.023912	0.067272	5.3 × 10−6
GRU + ACO	0.71230	0.63490	0.69034	0.019024	0.075343	6.3 × 10−6
GRU + BAT	0.75630	0.62390	0.65372	0.034930	0.06536	4.23 × 10−5
GRU + FF	0.78945	0.67890	0.71239	0.029043	0.0534102	3.130 × 10−4
GRU + RSA	0.85290	0.71012	0.73402	0.033393	0.053242	2.902 × 10−4
GRU + SHO	0.86342	0.70234	0.74022	0.045302	0.048933	2.7829 × 10−4
GRU + HHO	0.89267	0.80239	0.79340	0.059030	0.045672	2.0839 × 10−4
GRU + LCHHOA (proposed model)	0.98673	0.81202	0.85640	0.068313	0.0398303	1.28930 × 10−4