Fig. 4

Relationship between MOE values determined by the ultrasonic method (MOE US) and predicted by the NIRS model (MOE NIRS) on cores (N = 1801). a Scatter plot with linear regression. b Residual plot
Relationship between MOE values determined by the ultrasonic method (MOE US) and predicted by the NIRS model (MOE NIRS) on cores (N = 1801). a Scatter plot with linear regression. b Residual plot