Figure 2

Goodness of fit (in terms of R2 and RMSE) for the Reflectance Factors (380 nm-780 nm) for samples before aging (left) and after aging (right).
Goodness of fit (in terms of R2 and RMSE) for the Reflectance Factors (380 nm-780 nm) for samples before aging (left) and after aging (right).