Table 1.

Simulation results from a stationary Gaussian process model^†

Parameter	Results for simulation SGP I				Results for simulation SGP II
	True	Mean	Coverage	MSE	True	Mean	Coverage	MSE
	value				value
Longitudinal
Intercept	90	89.947	0.959	6.521	90	90.005	0.944	0.016
		(2.556)				(0.127)
Time	−1.7	−1.700	0.941	0.074	−1.7	−1.700	0.944	0.000
		(0.272)				(0.016)
Age at t0	−1.7	−1.696	0.957	0.013	−1.7	−1.700	0.942	0.000
		(0.115)				(0.006)
Sex (males)	2	1.943	0.943	1.803	2	2.001	0.948	0.004
		(1.343)				(0.061)
Survival
Intercept	2	1.998	0.949	0.044	2	2.013	0.942	0.046
		(0.210)				(0.214)
Time	0.01	0.009	0.952	0.001	0.01	0.009	0.948	0.001
		(0.031)				(0.036)
Age at t0	0.01	0.011	0.949	0.000	0.01	0.010	0.946	0.000
		(0.009)				(0.009)
Sex (males)	0.1	0.098	0.957	0.010	0.1	0.097	0.952	0.011
		(0.099)				(0.105)
γ	0.05	0.050	0.961	0.000	0.05	0.049	0.966	0.005
		(0.003)				(0.072)
Others
ν	7	7.005	0.959	0.011	1	1.000	0.944	0.000
		(0.104)				(0.014)
σu	25	24.985	0.959	0.203	1	0.999	0.948	0.001
		(0.450)				(0.025)
ρ	0.7	0.699	0.947	0.000	0.7	0.700	0.946	0.001
		(0.015)				(0.025)

^†Sample size 1000 and 500 replicates. Shown are the mean (with standard deviations in parentheses) parameter estimates, empirical coverage probabilities of nominal 95% confidence intervals and mean-squared errors MSE.