Table 5.

Evaluation metrics for the implemented models for wet biomass estimation.

Model	FS1			FS2			FS3			FS4
	R2	MAE	RMSE	R2	MAE	RMSE	R2	MAE	RMSE	R2	MAE	RMSE
GPR	0.987	0.59112	2.4142	0.96	0.653	2.681	0.95	3.4624	7.456	0.92	3.589	9.1563
ER	0.88	11.295	15.481	0.85	13.146	18.158	0.85	19.64	23.231	0.7	20.114	25.099
TR	0.95	0.4432	5.7246	0.83	10.146	20.4562	0.9	9.5462	13.562	0.75	19.456	21.025
NNR	0.75	24.056	28.245	0.68	24.256	29.256	0.59	23.251	31.256	0.43	27.156	33.254
SVMR	0.64	21.055	30.025	0.42	28.745	35.254	0.43	26.152	34.521	0.31	30.376	39.272