Comparisons of Two Approaches for Geotechnical Model Calibration with Scarce Data

Table 3

Summary of calibration outcomes of equation (10) using the PDC and RMSE approaches.

Model	Approach	Constant in		Model bias, or		RMSE
				Sample mean	Sample COV
Default FHWA	N/A	1	0	0.77	0.669	140.7869
Calibrated FHWA	PDC	0.4964	−1.0677	1.00	0.432	38.3618
	RMSE	0.4866	−1.3118	0.96	0.452	35.9635