Natural Gas Price Forecasting by a New Hybrid Model Combining Quadratic Decomposition Technology and LSTM Model

Table 1

Information on key abbreviations.

Unabbreviated form	Abbreviation
Variational modal decomposition	VMD
Ensemble empirical mode decomposition	EEMD
Empirical mode decomposition	EMD
Intrinsic modal component	IMF
Long short-term memory	LSTM