Table 5. Statistical Error Analysis Comparison of the LSTM Model with the Previously Published Models.

rank	model	AAPRE (%)	Emax (%)	Emin (%)	RMSE	SD	R
1	The proposed LSTM (2021)	8.422	45.409	0.040	12.20	0.088	0.9900
2	Velarde et al. (1997)	9.00	62.47	0.039	13.04	0.095	0.9724
3	Mehran et al. (2006)	9.75	63.86	0.035	13.60	0.095	0.9699
4	Lasater (1958)	11.07	66.08	0.016	15.31	0.106	0.9742
5	Standing (1947)	12.35	69.28	0.032	16.26	0.106	0.9753
6	Arabloo et al. (2014)	12.66	72.98	0.000	17.12	0.116	0.9589
7	Hemati and Kharrat (2007)	13.76	85.01	0.026	22.13	0.174	0.9741
8	Vazquez and Beggs (1980)	16.88	74.79	0.493	21.65	0.136	0.9767
9	Kartoatmodjo and Schmit (1991)	16.94	78.37	0.085	22.74	0.152	0.9722
10	Al-Shammasi (1999)	17.33	62.95	0.205	22.60	0.145	0.9663
11	Frashad et al. (1996)	18.23	74.23	0.042	24.30	0.161	0.9621
12	De Ghetto et al. (1994)	18.37	73.97	0.007	24.83	0.167	0.9720
13	Dindoruk and Christman (2001)	20.89	77.83	0.432	25.81	0.152	0.9369
14	Glaso (1980)	23.02	79.52	0.281	27.70	0.154	0.9701
15	Mazandarani and Asghari (2007)	23.91	120.93	0.127	34.19	0.245	0.9462
16	Almehaideb (1997)	26.15	234.92	0.037	44.18	0.357	0.9482
17	Macary and El-Batanoney (1993)	31.20	149.75	0.111	42.62	0.291	0.9499
18	Khamechi et al. (2009)	31.24	97.52	0.059	37.27	0.204	0.9652
19	Bolodazadeh et al. (2006)	40.42	434.20	0.175	84.69	0.746	0.9694
20	Sharrad and Abd-Alrahman (2019)	45.93	72.46	0.346	47.96	0.139	0.8929
21	Al-Marhoun (1988)	54.06	79.22	27.176	54.40	0.148	0.9538
22	Petrosky and Farshed (1993)	76.59	784.59	0.295	159.87	1.406	0.9703