Table 4.

Empirical bias, empirical and estimated variances, coverages and mean squared errors for the realistic settings, for simex with three different extrapolation functions

			Simex (linear)			Simex (quadratic)			Simex (cubic)
		Estimate
200	0.1	Bias	0.0	-3.0	-2.2	-1.4	-0.3	-2.2	-1.4	0.0	-2.2
		Emp. var.	12.0	19.2	6.7	12.4	20.6	6.7	12.5	21.2	6.7
		Est. Var.	10.2	17.9	6.3	10.7	19.1	6.3	11.0	19.4	6.3
		95% cv	93.6	95.6	94.8	93.4	96.2	94.8	93.2	95.0	94.4
		MSE	12.0	19.3	6.8	12.4	20.6	6.8	12.5	21.2	6.8
200	0.25	Bias	14.5	-32.5	-1.9	7.4	-18.6	-2.0	3.6	-10.6	-1.9
		Emp. var.	10.4	14.1	6.7	12.1	20.7	6.8	13.8	26.5	6.8
		Est. Var.	8.8	11.2	6.2	9.7	14.6	6.3	16.0	18.2	6.3
		95% cv	90.9	80.8	95.4	92.7	88.6	95.1	93.1	89.9	95.7
		MSE	12.5	24.7	6.7	12.6	24.2	6.8	14.0	27.6	6.9
300	0.1	Bias	-1.1	-1.6	-1.3	-2.5	1.3	-1.3	-2.5	1.9	-1.2
		Emp. var.	9.5	15.2	4.3	9.8	16.4	4.3	10.8	17.1	4.3
		Est. Var.	8.0	11.8	4.1	7.6	12.5	4.1	7.8	12.8	4.1
		95% cv	92.8	93.8	95.6	92.8	93.8	95.6	92.8	93.6	95.4
		MSE	9.5	15.2	4.3	9.9	16.4	4.4	10.8	17.1	4.4
300	0.25	Bias	13.1	-30.0	-1.2	6.0	-15.8	-1.4	1.9	-6.8	-1.6
		Emp. var.	8.4	11.7	4.4	9.9	17.4	4.4	11.4	22.4	4.5
		Est. Var.	8.1	7.4	4.1	6.9	9.7	4.2	8.1	12.1	4.2
		95% cv	87.2	72.9	95.6	89.7	83.9	95.6	91.8	85.2	95.2
		MSE	10.1	20.7	4.4	10.3	19.9	4.4	11.4	22.9	4.5

Emp. var., empirical variance; Est. var., estimated variance; 95% cv, coverage probabilities of 95% confidence intervals computed based on the asymptotic normal distribution; MSE, mean squared error. All numbers were multiplied by 100.