R2 in OLS
R2 in SR
RMSE (cm) in OLS RMSE (cm) in SR
Model 1 0.42 0.98 1.58 0.60
Model 2 0.31 0.97 2.11 0.79
Model 3 0.31 0.97 1.73 0.75
Model 4 0.37 0.98 1.64 0.67
Model 5 0.33 0.97 1.66 0.73