A Risk-Free Discount Rate Prediction Model for Mineral Project Evaluation Using a Hybrid Discrete Wavelet Transform and Artificial Neural Network

Table 7

Performance indicators of the hybrid model.

Hybrid technique	Performance
	R	RMSE	R^2	MAD	MAPE	VAF	SI	BIAS
DWT-BPNN	0.9734	0.2655	0.9475	0.1902	13.0595	89.41	0.1739	0.0061
DWT-RBFNN	0.9995	0.0376	0.999	0.025	2.1439	99.84	0.0219	0.0053
DWT-GRNN	0.9885	0.2047	0.9771	0.1774	17.9057	95.43	0.1885	0.1073