Table 9.

Indicator function based outcomes for the different combinations of GRU.

Algorithm	Best	Worst	Mean	Median	SD	Variance
GRU + PSO	0.068932	0.005430	0.006690	0.00673	0.0002310	6.48 × 10−7
GRU + ACO	0.06734	0.005372	0.006993	0.006890	0.0002402	5.34 × 10−6
GRU + BAT	0.064320	0.0052930	0.007093	0.006903	0.0002406	5.893 × 10−5
GRU + FF	0.068230	0.0049033	0.0070234	0.007045	0.0002403	6.003 × 10−5
GRU + RSA	0.067830	0.0048934	0.007008	0.0070213	0.000289	6.1290 × 10−5
GRU + SHO	0.068003	0.0045363	0.007102	0.0070231	0.000310	5.894 × 10−4
GRU + HHO	0.068647	0.004890	0.007239	0.0071902	0.0003002	5.9034 × 10−4
GRU + LCHHOA (proposed model)	0.069802	0.0049083	0.00739	0.0072310	0.0003201	6.904 × 10−4