Fig. 5

Residual versus fitted value for (a). MFI (b). Repeatability (c). Ln (MFI) (d). Ln (Repeatability) Note: ○ Unusual Observations ∪ Curvature distribution □ Uniform distribution.

Residual versus fitted value for (a). MFI (b). Repeatability (c). Ln (MFI) (d). Ln (Repeatability) Note: ○ Unusual Observations ∪ Curvature distribution □ Uniform distribution.