An Improved Measurement Error Model for Analyzing Unreplicated Method Comparison Data under Asymmetric Heavy-Tailed Distributions

Table 2

Simulated bias, sample standard deviation (SD), and root mean square error (RMSE) of ML for the STcT-MEM and SMEM.

λ		Parameter	STcT-MEM			SMEM
			BIAS	SD	RMSE	BIAS	SD	RMSE
2.5	25		0.001	0.009	0.009	0.001	0.010	0.010
			−0.002	0.014	0.014	−0.005	0.030	0.031
			0.003	0.007	0.008	−0.015	0.050	0.052
		Log	−0.024	0.180	0.182	−0.123	0.622	0.634
			−0.009	0.366	0.366	—	—	—
	50		0.000	0.004	0.004	−0.001	0.005	0.005
			0.000	0.007	0.007	0.000	0.014	0.014
			−0.003	0.005	0.006	−0.015	0.035	0.038
		Log	−0.012	0.083	0.084	−0.035	0.473	0.474
			−0.001	0.197	0.197	—	—	—
	100		0.000	0.002	0.002	−0.001	0.003	0.003
			0.000	0.004	0.004	0.000	0.009	0.009
			−0.002	0.003	0.004	−0.014	0.024	0.028
		Log	−0.004	0.043	0.043	0.024	0.333	0.334
			−0.008	0.102	0.102	—	—	—
5	25		0.000	0.008	0.008	0.001	0.009	0.009
			−0.002	0.012	0.013	−0.006	0.029	0.029
			0.002	0.003	0.004	−0.013	0.049	0.051
		Log	−0.013	0.075	0.076	−0.129	0.653	0.666
			−0.045	0.393	0.395	—	—	—
	50		0.000	0.004	0.004	0.000	0.005	0.005
			0.000	0.006	0.006	−0.001	0.013	0.013
			−0.002	0.002	0.003	−0.013	0.033	0.035
		Log	−0.008	0.020	0.021	−0.022	0.500	0.500
			−0.007	0.167	0.168	—	—	—
	100		0.000	0.002	0.002	−0.001	0.003	0.003
			0.000	0.004	0.004	−0.001	0.008	0.008
			−0.001	0.001	0.001	−0.012	0.023	0.026
		Log	−0.004	0.009	0.010	0.018	0.353	0.353
			−0.004	0.083	0.084	—	—	—
10	25		−0.001	0.008	0.008	0.001	0.009	0.009
			−0.002	0.012	0.013	−0.006	0.029	0.029
			0.001	0.001	0.001	−0.010	0.049	0.051
		Log	−0.008	0.014	0.017	−0.159	0.664	0.683
			−0.035	0.264	0.266	—	—	—
	50		−0.001	0.004	0.004	0.000	0.005	0.005
			−0.001	0.006	0.006	−0.001	0.013	0.013
			−0.001	0.001	0.001	−0.010	0.033	0.034
		Log	−0.006	0.006	0.008	−0.019	0.510	0.510
			−0.012	0.115	0.115	-	-	-
	100		−0.001	0.002	0.002	−0.001	0.003	0.003
			−0.001	0.004	0.004	−0.001	0.008	0.008
			−0.000	0.001	0.001	−0.010	0.023	0.025
		Log	−0.005	0.003	0.005	0.016	0.362	0.362
			−0.015	0.075	0.076	—	—	—