Computational and Mathematical Methods in Medicine Prediction of COVID-19 in BRICS Countries: An Integrated Deep Learning Model of CEEMDAN-R-ILSTM-Elman

Table 3

Complexity and periodic analysis of IMFs in India.

Mode	PE value	Complexity	Main timescale
IMF1	0.9978	High level	3.0267
IMF2	0.9704	High level	3.9689
IMF3	0.9543	High level	4.3589
IMF4	0.8608	High level	6.4153
IMF5	0.6832	Medium level	13.975
IMF6	0.5377	Medium level	31.875
IMF7	0.4612	Low level	78.928
IMF8	0.4191	Low level	212.5
Residue	0.1507	Trend level	>sample size