Comparisons of Two Approaches for Geotechnical Model Calibration with Scarce Data

Table 4

Estimated statistics of model bias, , or using the maximum likelihood method.

Model	Approach	Normal			Log-normal
		Mean	COV		Mean	COV
Default FHWA	N/A	0.77	0.654	−16.8202	0.79	0.888	−14.3902
Calibrated FHWA	PDC	1.00	0.423	−12.8317	1.00	0.414	−9.5680
	RMSE	0.96	0.442	−12.9868	0.96	0.414	−8.6353