Fig. 3
From: Predicting biomass global warming potential with FT-NIR spectroscopy

IPCC calculated GWP versus NIRS predicted GWP in calibration and prediction sets. This PLSR modeling based on the first derivative spectra of 325 selected wavenumbers by covariance method, which demonstrated superior predictive performance compared to other models (R2C = 0.92, R2P = 0.85).